ORGANIC AND SUSTAINABLE PEST MANAGEMENT OPTIONS
Transcript of ORGANIC AND SUSTAINABLE PEST MANAGEMENT OPTIONS
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O R G A N I C A N D S U S TA I N A B L E P E S T
M A N A G E M E N T O P T I O N S
K O O N - H U I WA N G , J . S U G A N O , J . U Y E D A , S . C H I N G , J . K A M T. R A D O V I C H , S . F U K U D A
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SUSTAINABLE PEST MANAGEMENT
IPM
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Adding surfactants can decrease drift and increase efficiency of insecticides.
Laboratory test of OMRI certified insecticides activities against viability of aphids on lettuce
12 hours after spraying
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P l a n t s t h a t a t t r a c t i n s e c t s , e i t h e r p r o d u c e f l ow e r s w i t h p o l l e n a n d n e c t a r f o r b e n e f i c i a l i n s e c t s , o r l u r e i n s e c t p e s t s aw ay f r o m t h e c a s h c r o p .
Hoverflies on buckwheat and cilantro
Sunn hemp flowers attracts Lycaenidae butterflies that drawn Trichogramma wasps to lay eggs on the Lepidopteran eggs.
Uhaloa attracts wasps and bees
Lady beetles on Aweoweo
I N S E C T A R Y P L A N T S
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EXTRAFLORAL NECTARIES • Extrafloral Nectaries = nectar glands not associated with
flowers.
• Good for attracting beneficial insects when most flowers are not in bloom.
Partridge pea
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HOW TO INTEGRATE INSECTARY PLANTS INTO FARMS
Bord
er c
rop
Primary crop
(Cerruti Hooks)
1. As border crop
2. As intercrop
Sunn hemp and corn
Buckwheat and zucchini
Insectary plant corridors (Nicholls, Parrella, and Altieri, 2000)
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Cowpea and buckwheat as insectary borders, and sunn hemp organic mulch harbor natural enemies or parasites against insect pests (thrips, leaf miners) and fungal disease (purple blotch).
Sunn hemp no-till with insectary borders BG = bare ground, SH = Sunn hemp & insectary borders; Sol = bare ground & solarization
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Buckwheat attracts
hoverflies
Sunn hemp attracts
Trichogramma wasps
Wasp nesting block
attracts keyhole wasps
INSECTARY PLANTS FOR HYDROPONIC PRODUCTION
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WASP NESTING BLOCK
Aphid-collecting Wasp
http://bugguide.net/node/view/241212 Key-hole Wasp
Predators Pollinators
Leaf cutter bee
Hylaeus bee Untreated wood
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COMPARING INSECTARY SETTINGS AND METALLIC REPELL ANT FOR HYDROPONIC BRASSICA
Diamondback moth larva
Imported cabbage worm larva
Imported cabbage web worm larva
Aphids Whiteflies
Insectary Metalic board
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Beneficial insects found in insectary treatment
Hoverfly larvae eating an aphid
DBM pupae parasitized by
parasitoid wasp
Parasitized aphids Hoverfly eggs among aphids
Trichogramma wasp
Insectary setting suppressed aphids and caterpillar damage
Caterpillar damage
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0
20
40
60
80
100
120
3/14/13 3/28/13 4/11/13 4/25/13
Insectary Metallic Control %
Thr
ips
dam
age/
plan
t
A
B B
B
A
A
A A
C
B
B
Insectary settings reduced unmarketable pak choi yield, but did not protect it against thrips and whiteflies
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SUNN HEMP AS A TRAP CROP FOR WHITEFLIES, REDUCING SILVERLEAF SYMPTOMS
Zucchini intercropped with sunn hemp
Zucchini in bare ground showing silver leaf symptom
Trap crop / virus sink theory
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I N S E C T E X C L U S I V E N E T S C R E E N H O U S E P R O D U C T I O N
INT
EG
RA
TE
WIT
H
PH
YS
ICA
L B
AR
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SCREENHOUSE PRODUCTION
FOR KALE q 15 Varieties of kale
were planted inside and outside of a screenhouse.
q 5 plants from 12 varieties were monitored for insect pests weekly from 4/18-5/12/16.
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SCREENHOUSE REDUCED DIAMOND BACK MOTH (DBM)
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SCREENHOUSE REDUCED IMPORTED CABBAGE WEBWORMS (ICW) & LEAF
MINERS
4/18
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KALE GROWTH PARAMETERS 1 month after transplanting • Based on the 12 varieties monitored,
screenhouse did not affect kale photosynthesis rate and resulted in wider kale canopy (P < 0.05).
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CATERPILLAR DAMAGE
0
1
2
3
4
Screenhouse Open Field
Dam
age
inde
x (1
-4)
a
b
Screenhouse Open Field
‘Madeley’ kale ‘Madeley’ kale
Insect frass
Worms can be a post harvest problem
Some varieties are less preferred by the caterpillars present.
‘Vates’ ‘Pentland Brig’
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DIFFERENCE IN K ALE VARIETIES TO CATERPILL AR DAMAGE
0
1
2
3
4
Screenhouse Open Field
** **
**
** ** ** ** ** **
Mean 0.84 B 2.94 A
**
Damage inde
x (1-‐4)
0 = 0 damage, 1 ≤ 25% leaves w/ damage, 2 (26-50% leaves w/ damage), 3 (51-75% leaves w/ damage), 4 (75-100% damage)
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PARTICIPATING FARMER: ANTHONY DELUZE
Screenhouse did not protect peach tomatoes from Tomato yellow leaf curl virus transmitted by whiteflies.
Most unmarketable is from fruit cracking due to blossom end rot (fluctuating weather and insufficient Ca) and bird damage.
0
10
20
30
40
50
Screenhouse Open Field
Marketable Unmarketable
Yie
ld (
lb/5
6 ft
row
) ‘Nyagous’ tomato
‘Nyagous’ is resistant to TYLC virus, yield inside the screenhouse was higher than that in the open field.
17 mesh screen
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FARMER’S TESTIMONY
• “I'm trying to figure out as soon as possible how to fund another screenhouse in my farm. I think the screen is the most expensive part. That’s the one we got to find a way to get more cost efficient.”
• “I think the screenhouse has been an awesome tool and love the design. The soil outside of the screenhouse was much richer in nutrients to begin with, under different circumstances, tomatoes inside the screenhouse would yield much higher. ”
Anthony Deluze
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SCREENHOUSE FOR CUCURBIT CROPS
Pickle worm moth is nocturnal
Melon fly / fruit fly females only oviposit on cucurbit fruits in the evening.
Hand pollinated pumpkin
Minimal damage from pickle worm or fruit flies
But plants die prematurely from severe infection of root-knot nematodes that cause the
plant to wilt.
16-mesh screen can block bigger insects such as
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FUTURE WORK: SCREENHOUSE THAT CAN ADOPT POLLINATORS AND BENEFICIALS
P a r t h e n o c a r p i c zucchini and cucumber seeds are available, but are expensive.
Roll up the wall in the day for pollinators and predators to come in. Roll down the wall in the afternoon to block pickle worms and fruit flies adults from getting in.
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P I N W O R M N O M A T E
Luri
ng a
nd T
rapp
ing
R O S E B E E T L E L I G H T T R A P https://vimeo.com/166306170
F R U I T F L I E S M E T H Y L E U G E N O L / C U E -L U R E T R A P S
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L E T H A L T E M P E R AT U R E = 4 5 - 5 0 ° C ( 1 1 3 - 1 2 2 ° F )
Hea
t Tre
atm
ent Cold water
Hot water
Propane tankless water heater (EccoTemp®)
Treat spider mites on tea (Camellia senensis)
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D r e n c h i n g V C T p r e p a r e d f r o m u n c u r e d v e r m i c o m p o s t o n t e a r o o t s y s t e m s w e e k l y r e d u c e d s p i d e r m i t e d a m a g e o n t e a l e a v e s .
Indu
ce H
ost
Pla
nt
Res
ista
nce
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ACKNOWLEDGEMENT
• Philip Waisen, Jon Kam, Shelby Ching, Shova Mishra, Josiah Marquez, Donna Meyer, Gareth Nagai, Sarah Moore, Brayn Janura, Kaori Suda, Caio Sousa.
• Farm Crews from Poamoho and Waimanalo.
This project is supported in part by NIFA CRATE program (project number 2013-04774), WSARE P&P (OW15-019), and in part by CTAHR Supplement fund (9022H).
• https://youtu.be/cBP52egYG9s • https://vimeo.com/166306088 • https://vimeo.com/166306170
Uyeda’s Video collection related to
SPM
http://www.ctahr.hawaii.edu/WangKH/CRATE.html http://www.ctahr.hawaii.edu/WangKH/insectary.html http://www.ctahr.hawaii.edu/WangKH/sustainable-pest.html
Websites OW15-019
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Questions?