ACTIVITIES OF INSTITUTE OF FORENSIC RESEARCH TRAININGS FOR PROFESSIONALS
Institute of Ag Professionals
Transcript of Institute of Ag Professionals
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Institute of Ag Professionals
Proceedings of the
2013 Crop Pest Management Shortcourse &
Minnesota Crop Production Retailers Association Trade Show
www.extension.umn.edu/AgProfessionals Do not reproduce or redistribute without the written consent of author(s).
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Managing Agricultural Landscapes for Ecosystem Services, Productivity &
Profit
A Forever Green Agriculture Initiative
Donald Wyse, U of MN
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How did agricultural landscapes lose their diversity?
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Protein efficiency 6% 1lb beef 5,214 gal water 1lb potatoes 24 gal water
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Protein efficiency 14% 1lb Pork 1,630 gal water 1lb Potatoes 24 gal water
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What are some of the consequences resulting from
the loss of landscape diversity and continuous living soil covers?
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Published by AAAS
J. A. Foley et al., Science 309, 570 -574 (2005)
Conceptual framework for comparing land use and trade-offs of ecosystem services
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Minnesota’s Brown Period
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May 4 – 17
Areas of annual row cropping
April 20 – May 3
Areas of perennial vegetation
Satellite images of vegetative activity.
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May 18 - 31
June 15 - 28
Satellite images of vegetative activity.
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July 13 - 26
October 5 - 18
Satellite images of vegetative activity.
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Annual Tile Drainage Loss in Corn-Soybean Rotation
Waseca, 1987-2001
April, May, June 71%
July-March 29%
Gyles Randall, 2003
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Annual tile flow (inches) (Randall et al., 1997)
J
J
J
J J J
F F
F
F F F
F
F
F
F F F H B 0
20
40
60
80
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0 10 20 30 40 50
J Continuous corn F SOYBEAN-Corn F CORN-Soybean H Alfalfa B Conserv. Reserve
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Rabalais et al. 2000
Hypoxia in the Gulf of Mexico
93.5 92.5 91.5 90.5 89.5
longitude (deg.)
28.5
29.0
29.5
30.0
latit
ude
(deg
.)
Atchafalaya R.Mississippi R.
bottom dissolved oxygen less than 2.0 mg/L, July 1999
50 km
TerrebonneBay
Sabine L.L. Calcasieu
93.5 92.5 91.5 90.5 89.5
longitude (deg.)
28.5
29.0
29.5
30.0
latit
ude
(deg
.)
Atchafalaya R.Mississippi R.
bottom dissolved oxygen less than 2.0 mg/L, July 1999bottom dissolved oxygen less than 2.0 mg/L, July 1999
50 km
TerrebonneBay
Sabine L.L. Calcasieu
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Covering the Brown: Continuous Living Cover
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Minnesota Agriculture is Productive
Our Agriculture could achieve more production, efficiency & conservation
How: Add winter-annual crops & perennials to summer-annual cropping systems like corn and soybean
Why: New economic opportunities for farmers & rural communities
Many other benefits for Minnesota
Visualization of perennial & annual crops in Central Iowa
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Our Agriculture Can Be Even More Efficient & Productive
Adding perennials & winter annuals does four very important things
•Creates value from underused and new resources
•Enhances soil, water, wildlife & biodiversity
•Insures against climate variability •New economic opportunity
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Current Ag Outputs •Food •Feed •Biofuel (just a little…)
More Perennials and Winter annuals • More food & feed
•Much more biofuel & natural prod.
•More soil, water, wildlife
Dale, B. et al. Biofuels Done Right: Land Efficient Animal Feeds Enable Large Environmental and Energy Benefits. Environ. Sci. Technol. 2010, 44, 8385–8389
Applying this vision to Midwest Agriculture
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Getting There from Here: Forever Green
Getting perennials & winter annuals on the landscape by germplasm development, new
agronomic practices, commercialization & supply-chain development
KSU Extension
• New genetic technologies allow rapid germplasm development
• Develop new agronomic practices (e.g. seeding tech.
• Commercialization: new market opportunities
• Supply chains: from production to end use
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Forever Green Plant Based Enterprise Development Projects
1. Field Pennycress
2. Intermediate Wheatgrass 3. Camelina
4. Winter Barley 5. Hairy Vetch 6. Winter Rye 7. Kura Clover
8. Perennial Sunflower 9. Hazelnut
10. Native Plant Poly-cultures 11. Native Plant Natural Products
12. Perennial Flax 13. Agroforestry
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1. Field Pennycress
Enterprises:
Oil—biodiesel Protein—food and feed
Double or relay crop with soybean
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Thlaspi arvense Pennycress
Brassicaceae (mustard family) Extremely cold tolerant winter annual Rapid seed maturity High oil content Double or relay cropping potential with soybean Diploid/good breeding potential
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- Seeds high in oil - 20-36%/wt = 404 L/acre oil = 87 gal/acre biodiesel
Pennycress oil for biofuel
- Ideal composition for biodiesel production - 32% erucic (22:1) - 22% linoleic (18:2) - 11% linolenic (18:3)
- Technology for conversion to biodiesel in place
-High seed yields – up to 1600 lbs +/acre in MN
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Pennycress seeded into corn
Pennycress late fall
Pennycress mid- May
Soybean planted no till into pennycress stubble 1st week of June
Fall soybean with pennycress regrowth
Corn/PC/Soybean Rotation
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Pennycress with no cover Late Fall
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Oat fall cover Late Fall
Oat fall cover
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Groundhog radish for fall cover Late Fall
Groundhog radish for fall cover Late Fall
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0 500
1000 1500 2000 2500 3000 3500 4000
no cover
oats radish no cover
oats radish no cover
oats radish
None None None 5.5 5.5 5.5 11 11 11
Soybean Pennycress
b b b
c b
a
c
Pennycress Planting Rates (kg ha-1)
Tota
l Oils
eed
Yiel
d (k
g ha
-2)
Total oilseed yields at Rosemount, MN in 2012 as affected by planting rate of pennycress and fall cover. Columns with the same letters are not significantly different (LSD =670). Planting rate for oat was 66 kg ha-1 and 11 kg ha-1 for radish.
a
b
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Weeds/no pennycress vs Weeds/pennycress
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0
10
20
30
40
50
60
70
80
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Control - no pennycress 5.5 11
Pennycress
Pennycress + oat
Pennycress + radish
a a
a
b b b b b b
Radi
sh A
lone
Pennycress planting rate (kg ha-1)
Wee
d bi
omas
s (g
m-2
)
Weed biomass at Rosemount, MN in 2012 as affected by planting rate of pennycress. Columns with the same letters are not significantly different (α =.05).
No
Cove
r
Oat
s Alo
ne
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Pennycress interseeded in corn
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Pennycress interseeded in soybean
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Pennycress in fall (Oct 24th)
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Using Arabidopsis and new genomic technologies to improve pennycress
nasa.gov
- Identify pennycress genes for important agronomic traits
through DNA sequencing
- Develop genomic resources for genomic-assisted
breeding
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Translation of Arabidopsis-based knowledge to pennycress
Low seed dormancy
Faster flowering
Improved seed characteristics
Flowering time
pathway
DOG1 GA / ABA Pathways
GTR1/GRT2 Oil content
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Breeding • Germplasm collected from Europe, South America, and North America • Total of 72 accessions • 82 successful crosses made--2013 • High yielding MN lines treated with EMS, Fast Neutron, and Gamma
irradiation • Observation fields planted to observe spring or winter habit, yield,
height, oil content, etc.
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2. Intermediate Wheatgrass Enterprises:
Beer/Whiskey Food Feed
Biomass Grazing
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Intermediate wheatgrass in Minnesota
St. Paul Campus
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Reduce erosion and soil nitrate leaching Reduce inputs of energy and pesticide Increase carbon sequestration
---- Environment services Intermediate wheatgrass
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2013-4-18
2013-4-30
2013-5-16
Intermediate wheatgrass in Spring
St. Paul Campus
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---- Agronomic traits Intermediate wheatgrass
Large seeds ---- 10-15g/1000 seeds
Large biomass ---- comparably to big bluestem and switchgrass)
Disease resistance ---- Lr38, Sr43, Sr44, Pm40, Pm43…
Favorable end-use food ---- wheat-wheatgrass blends
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Intermediate wheatgrass
Increase grain yield and biomass
Enhance grain quality for food
Domestication
Obtain a commercially viable perennial grain/biomass crop
Wild Perennial
Perennial Grain
Our goal
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Intermediate wheatgrass Breeding
Cross in green house
1st year 2011-2012
2nd year 2012-2013
3rd year 2013-2014
Spaced plants (2000)
Yield plots (200)
The best plants (50)
Select plants with big seeds, large grain yield and biomass.
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2000 spaced plants
Breeding nurseries in St. Paul
440 yield plots
3’
3’ ……
4’
8’ ……
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Seed
wei
ght (
mg)
Intermediate Wheatgrass improvement
35.1
Wheat Wheatgrass Current
Wheatgrass Forage
15.0 12.4 13.8
4.8
Wheat Current Wheatgrass
Forage
Large seeds
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Shattering Selected
Intermediate Wheatgrass improvement Non-shattering
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Biomass Seed Yield Seed Weight Population Minnesota Kansas Minnesota Kansas Minnesota Kansas
g m-2 mg seed-1 Cycle 0 1690 ±160 1650 ±160 84 ±14 68 ±14 5.73 ±0.39 4.10 ±0.39 Clarke 2000 ±160 2170 ±160 117 ±14 49 ±14 5.10 ±0.39 3.73 ±0.39
High Seed Mass line 2380 ±220 1660 ±110 212 ±19 88 ±10 9.26 ±0.87 7.57 ±0.66 High Seed Yield Line 1830 ±140 1810 ±100 192 ±12 100 ±9 7.60 ±0.68 6.07 ±0.62
Second Year Yield of Clone Plots
Intermediate wheatgrass improvement
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Best intermediate wheatgrass seed yield in MN 1,882 lb/A
Average spring wheat seed yield
in MN 2,820 lb/A
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Evaluation of intermediate wheatgrass grain for food use
Testing
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0
1
2
3
4
5
6
IWG
Wheat
Amino Acid Composition
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Starch functionality
1180 cP
3280 cP Whole Wheat Flour
IWG Flour
Less starch – less viscosity
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Protein Wheat gluten:
Holds gas
Viscoelastic properties
Intermediate wheat grass has
virtually no gluten forming ability
Developed wheat flour dough
Protein patterns of wheat glutens by SDS-PAGE. Lane 1: protein marker; 2: whole wheat flour gluten; 3: Bulk intermediate; 4: IWG LI-1; 5: IWG LI-2; 6: IWG LI-3; 7: IWG LI-4; 8: IWG LI-5A; 9: IWG LI-5B
Intermediate Wheatgrass Hard wheat
flour
IWG hydrates in the
Farinograph and does not develop well
35.8% water absorption (14% M equivalent, constant dough wt)
White bread wheat:
Over 60% at 15% protein
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Dietary Fiber
Arabinose 18%
Xylose 47% Mannose
3%
Galactose 5%
Glucose 27%
Arabinose 22%
Xylose 36%
Mannose 8%
Galactose 12%
Glucose 22%
Insoluble Fiber: 13.4% Neutral Monosaccharide composition
Soluble Fiber: 3.0% Neutral Monosaccharide composition
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Flavor Development in IWG
0
0.5
1
1.5
2
2.5
3
Ratio
(IW
G/W
W)
Aroma Compounds
IWG Concentration
Aroma Compound (ug/kg) 2-acetyl-1-pyrroline 5.4 2-ethyl-3,5-dimethylpyrazine 0.17 methional 547 acetyl formoin 1241 e-2-nonenal 0.82 2-acetyl-2-thiazoline 37 e,e-2,4-decadienal 0.69 2-phenylethanol 32. furaneol 2296
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Cookies are good
Food products
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Muffins are OK
Food products
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Bread Flour Whole Wheat Flour
Intermediate Wheatgrass Flour
Food products
Yeast bread is not good alone
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20 to 50% IWG produces a good
bread product
However,
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Intermediate Wheatgrass Program
• Analyze the Genetic mechanisms of agronomic traits
• Evaluate improved germplasm – Evaluate functionality of grain starch
and protein – Determine seed composition – Consumer test grain based products – Characterize the flavor
• Develop commercial cultivars
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3. Winter Barley
Enterprises: Barley malt
Livestock feed Double crop with soybean
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Developing Winter Barley for Minnesota
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Soybean
Barley
1990
2010
Challenges
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US Malting Infrastructure
Challenges
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1925 1940
1980
2010
Climate Change
http://www.cbs.umn.edu/climatetracker/
Climate moves over time • Westward movement in dust bowl years • Northward movement in recent years •1980 – 2010 rate is 5 miles/year North
Climate Tracker Website
Challenges
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Winterhardiness
Challenges
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Agronomic Benefits
Fall Planted Spring Planted
Increased Yield, Disease Avoidance, Weed Suppression, Water Use Efficiency
Opportunities
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Ecosystem Services Carbon Sequestration, Nutrient Cycling, Reduced Erosion, Wildlife Habitat
Opportunities
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Opportunities
Producer/Industry Benefits Crop Diversity, Spread Out Field Activities, Double Cropping, Earlier Harvest
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RESEARCH ACTIVITIES • Screening wide collection (over 1400 accessions)
for winter hardiness • Generating genomic prediction models to estimate
trait phenotypes with genetic markers • Implementing rapid cycle breeding to accelerate
development of winter varieties • Coordinating national winter barley trial at 14
locations in U.S.
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4. Hairy Vetch
Enterprises: Nitrogen fixation
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+
Winter Hardy Hairy Vetch
as Cover Crop in Minnesota
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Hairy Vetch, Vicia villosa
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Advantages of hairy vetch as a winter annual cover crop
• Covers exposed soil in winter and early spring • Conducts biological dinitrogen fixation (100 lb/acre) • Produces nitrogen rich biomass for green manuring
or harvest in spring
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Biological Nitrogen Fixation Symbiotic relationship with N2 fixing bacteria, Rhyzobium
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Crop Rotation with Cover Crop
Corn
Hairy Vetch fall & spring
cover
Soybeans
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Goals of the breeding project
• Predictable winter survival • Earlier maturity in spring • Increased biological dinitrogen fixation • Reduce dormancy—reduce weedy
characteristics
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Preliminary research with hairy vetch
• We evaluated 12 ecotypes of hairy vetch from multiple states for winter survival and spring yield.
• We found that winter survival and biomass yield was often greatest for ecotypes obtained in Minnesota.
• We found that the relative risk (based on variability of results) of growing these ecotypes was least for several Minnesota ecotypes.
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Percent survival of ecotypes by year and site
0
10
20
30
40
50
60
70
80
90
100
Good
Thu
nder
, MN
Wad
ena,
MN
Sauk
Cen
tre,
MN
Ivan
hoe,
MN
Trill
a, IL
Lape
er, M
I
Lesli
e, M
I
Mur
dock
, NE
Mid
dlet
own,
MO
Wau
seon
, OH
Mea
dvill
e, P
A
Halse
y, O
R
% su
rviv
al
Lam2005
Lam2006
Ros2005
Ros2006
Lam2008
Minnesota ecotypes
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Our Hairy Vetch Ecotype Evaluation and Variety Development
Step 1: Selection among 30 ecotypes • Winter Hardiness • Early Maturity/ Early Flowering
Step 2: Variety Development • Breeding program for selected ecotypes
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Roseau
St. Paul
Becker Sept 3- Sept 17
Research Locations & Planting Dates
Aug 20- Sept 4
Sept 3- Sept 17
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Ecotypes Evaluated on Different Planting Date
2-week seedling
Sept 3 seeding Sept 17 seeding
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2 weeks after 2nd planting date
4-week seedling
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5. Winter Rye
Enterprises: Nitrogen capture
Grazing
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St. Paul, April 8, 2002
St. Paul, April 27, 2002
St. Paul, May 24, 2002
St. Paul, May 31, 2002
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Morris, May 15, 2002 877 lbs/ac
Lamberton, May 15, 2002 1,724 lbs/ac
Waseca, May 15, 2002 1,063 lbs/ac
St. Paul, May 10, 2002 3,102 lbs/ac
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Winter Rye Issues
• Develop seeding technology to establishment winter rye in standing crop to reduce risk of establishment failure and maximize fall growth
• Breed winter rye with early maturity, dwarf structure and high tillering
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Rye biomass as predicted by ‘RyeGro’
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
1 Dec 1 Jan 1 Feb 1 Mar 1 Apr 15 Apr 1 May 15May
30May
Rye
Abo
ve G
roun
d B
iom
ass
(Mg
DM
ha
-1)
15-Sep1-Oct15-Oct30-Oct
Rye sowing date:
Feyereisen,’05
Plant soybean Kill rye
Lamberton
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Limited Variability in Winter rye for flowering date
• High heritability for flowering time
• Large environmental effect
• 6 day difference between earliest lines and check cultivar ‘Rymin’
• Low genetic diversity for flowering date
• Must flower earlier to increase management options
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Mutation breeding in winter rye for early flowering
• Selected Half-sib families were exposed to sodium Azide at 2 concentrations
• Point mutations will be induced
• Identify plants that flower earlier
N
S
Initiated Fall 2013
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0
1000
2000
3000
4000
15-Apr 30-Apr 15-May 30-May 14-Jun
lbs/
acre
Waseca '02Rosemount '02Waseca '03Rosemount '03
Winter Rye Aboveground Biomass
De Bruin,’04
Plant soybean
Kill rye
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6. Kura Clover
Enterprises: Nitrogen fixation
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Kura clover Continuous Living Cover
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•Honey Production •Soil conservation •Pasture; hay •Living mulch
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Kura Clover can fix 150 lb N/acre
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Corn in living mulch Rosemount, MN 2011 Silage production equivalent to conventional corn, with substantially less N fertilizer
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Cautions & Challenges
• Difficulty of establishment (Low seedling vigor)
• Shortage of seed (Low seed yield) • High water use • Need for better technology
(agronomic knowledge, better tillage tools, improved varieties, etc.)
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Breeding for Improved Seed Yield and Seedling Vigor
• Poor seedling vigor resulting in stand establishment problems limits the use of kura clover
• Selection for lower root:shoot ratios may increase dry matter partitioning to the shoot and improve establishment.
• Need to breed lines for high seed yield and seed harvest efficiency
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Kura clover
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Vegetative Propagation
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8. Perennial Sunflower
Enterprises: Food grade oil
Biodiesel
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Perennial Sunflower • Work began in 2001 with collection of wild
perennial sunflowers
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Objectives
• Further the development of perennial sunflower populations that have multiple uses on the landscape
• Identify the genetic factors that control tuber formation, winter hardiness, and branching
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Annual (H.annuus) x Perennial (H.tuberosus)
Our Strategy
Intermate with selection
for several cycles
2n = 2x = 34 2n = 6x =102
Perennial Hybrid 2n = 4x = 68
Final Product 2n = 4x = 68
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IM2F1
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Assessment of IM1F1 populations • The largest head was
20% larger than the F1
• Some plants ranked in
the top 10% for all yield traits!
• Selection of most extreme individuals to improve breeding populations
1 2 3 4 5 6
1 2 3 4 5 6
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Perennial Sunflower Selections
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9. Hazelnut
Enterprises: Nuts Oil
Biodiesel
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North American Hazelnuts • Two hazel species native to Minnesota
– Corylus americana, American hazel – Corylus cornuta, beaked hazel
• Traditional staple food of indigenous people • Common in central Minnesota
Corylus americana, American hazel Corylus cornuta, beaked hazel
USFS
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The European Hazelnut (Corylus avellana)
• Domesticated independently in Iran, Turkey, and Italy (Boccacci and Botta, 2009)
• Used by humans for thousands of years
• Commercial Production in Turkey, Mediterranean, and Oregon (Mehlenbacher 2003)
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Hybrid Hazelnuts
European Hazel (Corylus avellana) • Large nut size
• Thin shells • Not cold-hardy • Susceptible to
Eastern Filbert Blight (EFB)
Hybrid Hazel
American Hazel (Corylus americana)
• Smaller nut size • Thick shells • Cold-hardy • EFB tolerant
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Delicious, Nutritious Hazelnuts
• Excellent source of nutrition – Protein – Monounsaturated fats – Dietary fiber – Vitamins E and B6
• Raw or toasted • Confections • Chocolate-hazelnut spread
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Hazelnut Oil
• 50-75% of dry weight • 81% oleic acid • Many uses:
• Salad oil • Cooking oil • Cosmetic products • Biofuel
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New Economic Opportunities • Local Food Movement • “Olive oil of the Midwest” • Unique opportunities for smaller
American and hybrid hazels
www.midwesthazelnuts.org
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Hazelnuts as Part of the Forever Green Initiative
• Do not require annual tillage • Strips between rows can be planted with grass or clover
– Pollinator habitat – Continuous living cover
• Riparian buffers • Windbreaks • Living snow fences
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Hazelnut Germplasm Improvement Identification of superior hybrid hazels
– Identify hybrids from on-farm plantings with best kernel quality, yield, EFB tolerance, and cold-hardiness.
– Evaluation in replicated performance trials. Domestication of American hazel
– Screen wild populations for superior plants. – Evaluation in replicated performance trials.
Best from on-farm evaluations
Replicated performance trials
The best of the best will be released to growers as a new cultivar.
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A Challenge Too much variability between seed-propagated hazel
plants is agronomically unmanageable. Example: Nut maturation dates
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Solution: Vegetative Propagation to produce genetically identical plants
Mound Layering
Micropropagation
Stem Cuttings
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Determining Best Management Practices 1. Best Pre-Plant Soil Preparation and Best Weed Control Methods During Establishment
Within-row tillage?
Woodchips within rows?
Planting into killed sod + woodchips?
Landscape fabric?
Comparison Trial to Determine Best Economic Return (Herbicides and treatment intensity are also being evaluated)
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Determining Best Management Practices 2. Nitrogen Fertilization for Sustained Nut Bearing
0 g 3 g 11 g 22 g 33 g
g N/plant
Previous research found that young hybrid hazelnuts need only very low levels of N fertilization, but N requirements are likely to increase when they become productive.
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Determining Best Management Practices 3. Pruning vs Coppicing for Rejuvenation of Mature Bushes.
Pruning
April, before April, after
May Oct
Coppicing
April, before April, after
May Oct
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10. Native Plant Polycultures
Enterprises: Biomass
Natural products
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A Forevergreen initiative
Polyculture grasslands for bioenergy
![Page 137: Institute of Ag Professionals](https://reader031.fdocuments.us/reader031/viewer/2022022416/586785571a28ab81568b86f9/html5/thumbnails/137.jpg)
Research Questions
• What are the bioenergy yields of various polyculture mixtures (with and without N fertilizer)?
• Can we identify mixtures that are more “stable”
than others? Are some less sensitive to drought years?
• What mixtures perform best across various
growing conditions?
![Page 138: Institute of Ag Professionals](https://reader031.fdocuments.us/reader031/viewer/2022022416/586785571a28ab81568b86f9/html5/thumbnails/138.jpg)
Research Design
• Species composition: Testing 12 species mixtures 1. Switchgrass monoculture: 1 species 2. Big bluestem monoculture: 1 species 3. Indiangrass monoculture: 1 species 4. Canada wild rye monoculture: 1 species 5. Grass polyculture: 4 species 6. Forb polyculture: 4 species 7. Legume polyculture: 4 species 8. Grass and forb polyculture: 8 species 9. Grass and legume polyculture: 8 species 10. Forb and legume polyculture: 8 species 11. Grass, forb, and legume polyculture: 12 species 12. High diversity: 24 species
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Research Design
Primary Maximilian sunflower
Yellow coneflower Stiff goldenrod
Purple coneflower
Primary Switchgrass
Big bluestem Indiangrass
Virginia wild rye
Primary Showy tick trefoil
Purple prairie clover Lead plant
Canada milkvetch
Secondary Sideoats grama Little bluestem
Slender wheatgrass Canada wild rye
Secondary American licorice
Pale pea White prairie clover
American vetch
Secondary Northern bedstraw
Wild bergamot Black-eyed Susan Golden Alexander
Native Grasses
Native Legumes
Native Non-legume Forbs
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Legumes in polycultures
![Page 141: Institute of Ag Professionals](https://reader031.fdocuments.us/reader031/viewer/2022022416/586785571a28ab81568b86f9/html5/thumbnails/141.jpg)
Grass Polycultures
![Page 142: Institute of Ag Professionals](https://reader031.fdocuments.us/reader031/viewer/2022022416/586785571a28ab81568b86f9/html5/thumbnails/142.jpg)
Research Design
• Split plot design: Two fertilizer treatments as main plots – 60 lbs. per acres N fertilizer – 0 N; control
• 12 species mixtures
• Three replicates per location
• 9 locations
![Page 143: Institute of Ag Professionals](https://reader031.fdocuments.us/reader031/viewer/2022022416/586785571a28ab81568b86f9/html5/thumbnails/143.jpg)
Fargo, ND
Picture: www.appraisers.com/ images/map_minnesota.gif
• 9 Research Locations
• Split Plot design
-Fertilization
• Monitor research experiments for 10 yrs.
- Biomass Yield
- Botanical Composition
- Nutrient Export
![Page 144: Institute of Ag Professionals](https://reader031.fdocuments.us/reader031/viewer/2022022416/586785571a28ab81568b86f9/html5/thumbnails/144.jpg)
Preliminary Results
Variation in biomass yields by species, nitrogen and location
treatment
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Preliminary Results
Location Maximum yielding treatment Yield T/A SD St. Paul Grass polyculture 2.4 (1.2) Waseca Switchgrass monoculture 2.8 (0.7)
Lamberton Grass polyculture 3.9 (0.6) Becker Switchgrass monoculture 1.5 (0.4) Roseau High diversity polyculture 2.8 (1.2)
Red Lake Falls Grass + Legume polyculture 2.9 (1.2) Mahnomen Grass + Legume + Forb Polyculture 2.1 (0.7) Crookston Grass + Legume polyculture 2.7 (1.0)
Fargo Grass + Legume polyculture 1.7 (0.8)
Highest yielding species treatments averaged across all years at each location.
No N fertilizer.
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Preliminary Results
Location Maximum yielding treatment Yield T/A SD St. Paul Grass + Forb polyculture 2.9 (1.1) Waseca Switchgrass monoculture 3.9 (1.0)
Lamberton Grass polyculture 4.7 (1.0) Becker Grass + Legume polyculture 2.1 (1.0) Roseau Canada Wild Rye monoculture 2.8 (1.1)
Red Lake Falls Grass + Legume polyculture 3.3 (1.2) Mahnomen Legume + Forb polyculture 2.7 (0.4) Crookston Grass polyculture 3.8 (1.3)
Fargo Big Bluestem monoculture 2.3 (0.4)
Highest yielding species treatments averaged across all years at each location.
60 lb N applied per acre
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Supply Chain Scenario
• 18 million gallons/yr Isobutanol • 900 Tons/day biomass commodity • Target cellulosic sugars (~$0.15/lb)
• 200 Tons/day biomass • Target Cost: $150/ton
• Assumption: average annual yield of 3 tons/acre, $80/ton • Average hauling distance to depot 10 miles • Biomass feedstock ~10% of land base
Landscape
Biorefinery
Depot
Cattle Feed
• Corn @ $6/bu: $236/ton
Figures audited by DOE 2013
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11. Native Plant Natural Products
Enterprises:
Antioxidants Antimicrobials
Aromatics
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Developing Economically Valuable Natural Products from Native Minnesota Plants University of Minnesota and Aveda Collaboration
Alison D. Pawlus, Amanda C. Martin,
Tim Kapsner, Tiffany Thompson, Annette Popp, Donald L. Wyse, Cindy K. Angerhofer, Adrian D. Hegeman
University of Minnesota, Twin Cities
Departments of Horticultural Science, Plant Biology, Agronomy and Plant Genetics, and the Microbial and Plant Genomics Institute
Botanicals Research Team in Estée Lauder R&D
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Project Team Adrian Hegeman
Analytical Chemistry
Alison Pawlus Post-doctoral
Researcher
Amanda Martin Graduate Student
Donald Wyse Botanical
UMN Faculty & Staff Plant Collections/
Consultants
Jayanti Suresh Technician
Microbiology
Undergraduate Staff Marnie Muielewicz,
Shannon Kegle, & Esther Onwonga
Cindy Angerhofer Project Oversight/
Prioritization
Aveda Botanical R&D Team
Annette Popp Microbiology
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Project Vision Activities
1. Identify Natural Preservatives 2. Construct Botanical Library
• Resource for Future Screening: o Anti-inflammatory, 5-LOX, NF-κΒ, etc. o Antioxidant o Anti-aging, MMP Inhibition, etc.
o Hair loss & Graying
Outcomes 1. Natural Based Preservatives 2. Screenable Natural Resource for High Interest
Biological Activities 3. Positive ecosystem services
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Native MN perennial plants
Preservatives for products = Good for…
Our environment Our local economy
Our health
Project Vision
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Set up partnership and target specific plants in Minnesota
Test plant organs for antioxidant and antimicrobial activity
Optimize collection and compound identification process
Increase throughput, landscape diversity, and expand markets
Project Workflow
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Why natural preservatives for the cosmetic and personal care market?
• Environmental concerns • Health concerns • Public opinion • List of acceptable ingredients dwindling • Organic and natural personal care products
8.8% growth in 2010 • Aveda Leader in Innovation
o Goal of 100% Petroleum Free Products
o “Care for the World We Live In”
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• Native MN plant o “[a plant] that is part of the balance of nature that has
developed over hundreds or thousands of years in a particular region or ecosystem”
- USDA Natural Resources Conservation Service
• Plant material and seed collected from
o Scientific and Natural Areas (SNAs) o The Nature Conservancy natural areas (TNCs) o MN State Parks o UMN experiment station ecological areas o Railway roadside ditches
Plant Material
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Plant Material
• >200 different MN plants collected as part of botanical library construction
• Key species placed into a field trial to evaluate performance in a controlled setting
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11 12
9
10
15 14 13
4
6
8
1
7
2 3
5
Plot Collection Distribution as of 12 - Oct - 2010
26
21
16
20 19 17
18
25 23
22b 22a
MN Native Plant Collection Locations
24
27
30 29
28 31
32 33
34
Location # Location # Bronson Lake state Park 1 Compass Prairie SNA 18 Pembina Trail Reserve SNA 2
Des Moines River prairie SNA 19
Agassiz Dunes SNA 3 Martin County Roadside 20
Itasca state Park 4 Faribault County Roadside 21
Bluestem Prairie SNA and Buffalo River State Park 5 SROC (Waseca) 22 Western Prarie SNA 6 UMORE (Rosemount) 23
Ottertail Prairie SNA 7 Brown County Roadside 24 Inspirational Peak State Park 8 Afton state park 25
Kerrick Roadside 9 William O'Brian state 26
Nickerson Roadside 10 Janesville roadside 27
Glacial Lake State Park 11 Glynn Prairie SNA 28 Cedar Creek Ecosystem Science Reservce 12 Lundblad Prairie SNA 29
Kasota prairie SNA 13 Osmundson Prairie SNA 30 Cottonwood Prairie SNA 14 Lyon county roadside 31
SWROC (Lamberton) 15 Kanabec County roadside 32 Redwood County Roadside 16 Pine County roadside 33
Prairie Coteau SNA 17 Pine county 123 34
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Native Plant Common Garden Establishment Summer 2011
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Native Plant Common Garden Summer 2012 & 2013
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Native & Naturalized
Plant Collection Plant Extractions & Partitions
High-Throughput Biological Testing
Isolation & Structure Elucidation
Informs Plant Collections
Botanical Library
Chemical profiling
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Bioassay-guided Fractionation
Silica Gel Flash Chromatography
Sephadex LH-20
Semipreparative HPLC
Biological Testing
Pure Compound
Fraction 1-3
Fraction 4 Fraction 6-10
Identified using high resolution mass spectrometry (HRMS), nuclear magnetic
resonance (NMR), optical rotation, UV, IR, etc.
Active Extract Partition
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Current Antimicrobial Testing
• Candida albicans o Fungus
• Staphylococcus aureus o Gram(+) bacteria
• Pseudomonas aeruginosa o Gram(-) bacteria o Aerobic
• Escherichia coli o Gram (-) bacteria o Facultative anaerobic
• Aspergillus niger o Filamentous fungus (mold)
E. coli bacteria source: www.inhabit.com
96-well plate for high throughput testing
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Antimicrobial Screening Results 1. Previous Work:
• > 1000 MN native and naturalized plants pre-screened • Disk-diffusion antimicrobial assay
2. 120 Most active from previous work, recollected & screened • Using partitions and MIC assay to identify water soluble actives)
3. Evaluated actives: Focused recollection 4. To date: 220 plants screened
• Representing 76 plant families • 99 Species are active against at least 1 microbe • 15: Deemed highly promising leads
o Good biological activity (> 1 microbe) o Water soluble active components o Promising phytochemistry:
Non-toxic/-allergenic/-irritant Additional relevant biological activities
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Antimicrobial Screening Results 1. Previous Work:
• > 1000 MN native and naturalized plants pre-screened • Disk-diffusion antimicrobial assay
2. 120 Most active from previous work, recollected & screened • Using partitions and MIC assay to identify water soluble actives)
3. Evaluated actives: Focused recollection 4. To date: 220 plants screened
• Representing 76 plant families • 99 Species are active against at least 1 microbe • 15: Deemed highly promising leads
o Good biological activity (> 1 microbe) o Water soluble active components o Promising phytochemistry:
Non-toxic/-allergenic/-irritant Additional relevant biological activities
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Benefits to UMN • Proprietary Technology • Unique Library of Plant Extracts for Future Screening • Publications • Leveraging Technical Expertise from MN based Industries • High Value Collaborations • Training Opportunity
o Post-doctoral Fellows
o Graduate Students
o Undergraduate Research Assistants
o UROP projects
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* Same authors as above
Project Publications Journal of Medicinal Plants Research
2008
2008
2012
Phytochemical Analysis, 2013 (in review)
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12. Perennial Flax
Enterprises: Food grade oil
Biodiesel
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Perennial Flax
• Began in 2001 with observation blocks of wild perennial flax from the USDA-GRIN system and Black Hills State University (South Dakota)
• Germplasm included two genomic groups, x=9 (self-incompatible) and x=15 (largely self-pollinated)
• Hybridization began in 2004 within and between these groups
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Perennial Flax • Goals of perennial flax improvement
– Increase seed size – Improve wintering ability – Select for ability to produce 2 crops per year
Regrowth of nursery plant 1 month after harvest
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13. Agroforestry
Enterprises:
Food products Fuel products
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Introduction
Agroforestry has been proposed for sustainable biomass cropping
•Potential to utilize “marginal”, depositional, or lowland sites
• Strategic niches to minimize competition with food crops
•Potential for increased ecosystem services
• Wildlife / pollinator habitat • Carbon sequestration • NPS pollution reduction / water quality
• Landscape and feedstock diversity
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Introduction
• Limited information on biomass crop potential in agroforestry systems in U.S. Midwest
• Successful crop establishment is critical to stand longevity and maximizing productive potential
• We need to develop systems before farmers can adopt!
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Therefore, our short-term objectives were to: • To evaluate establishment and yields of
biomass crops in an alley cropping system
• To evaluate the effects of tree- crop
interactions on productivity and establishment
Methods: objectives
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‘Fish Creek’ willow planted in “twin row” system
14,332 trees ha-1
Methods: crops
‘NM6’ poplar planted at 1.2 m grid spacing
6,670 trees ha-1
(Salix purpurea x S. purpurea) (Populus nigra x P. maximowiczii)
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Methods: crops
• Switchgrass (Panicum virgatum L.)
• Local ecotype broadcast at 18.2 kg ha-1 (193 seeds m-2)
• Prairie Cordgrass
(Spartina pectina Bosc ex Link) • Local ecotype propagated at
107,593 plants ha-1 (10.8 plants m-2)
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Methods: crops
• Native tallgrass polyculture
• 4 forbs, 4 legumes, 3 grasses broadcast at 17.1 kg ha-1 (384 seeds m-2)
• Alfalfa - intermediate wheatgrass mixture • Alfalfafa (Medicago sativa L.)
Pioneer ’54V48’ at 5.7 kg ha-1
• ‘Rush’ intermediate wheatgrass (Thinopyrum intermedium [Host] Barkworth and Dewey) at 9.1 kg ha-1
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• RCBD in split plot arrangement • 3 on-farm sites: Fairmont, Empire, and Granada, MN
– 2 floodplain, 1 stream terrace • 3 years (2010 - 2012) • 2 woody crops, 4 herbaceous crops • 15.2 m alley
Methods: design
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Alley orientation
Methods: design
Empire Granada Fairmont
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Herbaceous crop sampling – evaluating effects of proximity to trees
Methods: sampling
7.6 m
2.5 m
Alley center
Alley edge
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Tree sampling – evaluating effects of proximity to edge
Methods: sampling
npoplar= 8 nwillow= 6
Edge row
Center row Center rows
Edge rows
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Results & discussion
Figure 2: Short rotation willow and poplar survival 3, 12, and 30 months after establishment in alley cropping systems at three Minnesota sites
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Figure 2: A) Basal area per tree and B) Stand basal area (per hectare) for alley cropped short rotation woody crops following the third growing season in 2012. Means +/- standard errors are presented.
Results & discussion A B
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Figure 3: 2012 average basal area per hectare by clone and row position for alley cropped short rotation woody
Results & discussion
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Results & discussion
Table 2:
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Results & discussion
Means +/- standard errors
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Results & discussion
Means +/- standard errors
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• Herbaceous productivity • Good herbaceous crop establishment (high indices) • Native polyculture & prairie cordgrass were most productive
herbaceous crops so far • No difference in edge vs. center alley, but yields are declining
overall, possible effect of alley orientation
• Woody productivity • Excellent tree survival • Edge effects due to alley proximity • Differences between clones due to:
• Tree spacing, individual tree size, coppice / no coppice management, site adaptability
Summary
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• Effects of interspecies interactions on resource availability and productivity in the alley cropping system
• What is causing herbaceous yield decline? (light, water, N availability?) • Why no edge effects in herbaceous crops?
• Woody biomass harvest and allometrics • Root biomass distribution and C accumulation since conversion from annual crops
Next steps
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Alley Cropping Systems: Biological Control Index
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Landis et al 2008
Jordan et al 2007
Biol
ogic
al C
ontr
ol
Biological Control
Agricultural landscapes are dominated by a few annual crops. More land in corn means less grassland and forest habitat for beneficial insect predators and there are more outbreaks of agricultural pests.
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K. R. Hopper Ragsdale et al 2011
Soybean aphid is a major pest in the upper Midwest
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Pioneer C. Lewis (UMN Extension)
Soybean aphid causes yield decreases of up to 40%
Before 2000: Less than 0.1% of soybean acreage sprayed
Today: Up to 50% of soybean acreage sprayed
Biological control from native insects as an alternative to insecticide spraying
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Insect Predators of Soybean Aphids in the Upper Midwest
Photo Credit: P. Bryant, M. Rice, T. Murray, J. Eckberg
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Integrate perennial crops into soybeans to attract predators of the soybean aphid
Prairie Polyculture
Tilman et al 2006, Peng et al 1993
Alley Crop
Willow Crop
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Integrated perennial cropping systems support biological control of the soybean aphid and produce perennial
bioenergy
Photo Credit: University of Wisconsin