Emmanuel Villegas ENH 101 - University of California, Davis
Transcript of Emmanuel Villegas ENH 101 - University of California, Davis
![Page 1: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/1.jpg)
My favorite tree
Emmanuel Villegas
ENH 101
![Page 2: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/2.jpg)
Family: Lauraceae (The laurel family) Genus: Persea Specific epithet: americana Common name: Avocado (a.k.a. Butter Pear,
Alligator Pear
In California two races of avocados are grown: Guatemalan (P.a. guatemalensis) and Mexican (P.a. drymifolia).
Relatives: Cinnamon, Camphor, Bay Laurel, Sassafras, Spice Bush
![Page 3: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/3.jpg)
Evergreen Drops old leaves after
growing new ones
Shiny elliptic leaves 4-8 inches long
Medium sized up to 60 feet
Little greenish flowers Not at all showy
![Page 4: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/4.jpg)
Bacon Don Gillogly Fuerte Gwen Hass Holiday Jim Kahaluu Mexicola Murashige Nabal Pinkerton Reed Sharwil Stewart Wertz Whitshell Yamagata Zutano
![Page 5: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/5.jpg)
Light: likes full sun Moisture: Must grow
in well-drained soil Need frequent watering Allow soil to dry before
deep watering Hardiness: Zones 8-11
Mexican variety is most hardy
West Indian is least Propagation: Grafting,
from seed Graft to seedling
or clonal rootstock Suspend seed in water
until it germinates
![Page 6: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/6.jpg)
Mexico is the largest producer of avocados in the world Producing around 1,040,390
metric tons a year
The avocado got its name from the nahuatl word ‘ahuacatl’ which means testicle Because of the shape of
the fruit
![Page 7: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/7.jpg)
Two flower types(A and B) Depending on the time of
day the flower opens
Flowers Open twice: First the female part (pistil) ripens
and opens; then the flower closes. About 24 hours later it opens again with
the ripe stamens releasing their pollen.
95% of U.S. avocado production is in Southern California 60% in San Diego County
![Page 8: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/8.jpg)
Leaves Stunt, yellow, wilt,
drop permanently
Turn brown, die (often on one side)
Bleached, blanched, discolored, stippled
Chewed, tied with silk
Causes Armillaria root rot;
Root and crown rot; Root lesion nematode
Verticillium wilt
Avocado brown mite; Avocado sixspotted mite; Persea mite; Greenhouse thrips
Omnivorous looper, Orange tortrix; Fruit-tree leafroller; Western avocado leafroller
![Page 9: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/9.jpg)
Bark and branches Twigs with elongated
lesions, bark splits, necrotic streaks
Brownish, gray, orange, reddish, tan, or white encrustations on bark; stunted, declining, or dead branches
Fruit Irregular brownish or
leathery scarring
Causes Bacterial blight and
canker
California red scale, Dictyospermum scale, Greedy scale, Latania scale
Cause Avocado thrips
![Page 10: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/10.jpg)
Sticky honeydew and blackish sooty mold on foliage Possible decline and
dieback on twigs and branches
Copius white waxy material present, leaves may yellow and wither
Cottony or waxy material on plant
Causes
Black scale; Brown soft scale;European fruit lecaneum; Hemispherical scale
Giant whitefly; Greenhouse whitefly; Mulberry white fly; Nesting whitefly Redbanded whitefly
Mealybugs, Pink hibiscus mealybug, Vine mealybug
![Page 11: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/11.jpg)
![Page 12: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/12.jpg)
[I love the avocado fruit]
![Page 13: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/13.jpg)
Is an oily berry Is pear-shaped to roundDoes not ripen on the treeCan be small or bigHas dark green to deep
brown skin It can take up to 5-13 years
for a tree to bear fruit
![Page 14: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/14.jpg)
Avocado can be used in many dishes to add flavor and buttery goodness They can also be eaten raw, just take a spoon
and dig in!
![Page 15: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/15.jpg)
Avocados can be added to: Sandwiches Salad Sushi Fruit salad Main dishes
![Page 16: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/16.jpg)
Avocados can be eaten as guacamolewith chips
Can be added to bread and eatenas a snack
Can be added to chicken wraps
![Page 17: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/17.jpg)
Avocados Meat
Have all the essential amino acids
Are water and fiber rich; non-constipating
Have no cholesterol It takes 2-4 hours to
digest
Amino acids denatured by cooking
Low water, no fiber; can be constipating
High in cholesterol It takes 12-24 hours
to digest
Vegans use it as a healthier substitute for meat
![Page 18: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/18.jpg)
![Page 19: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/19.jpg)
![Page 20: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/20.jpg)
![Page 21: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/21.jpg)
![Page 22: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/22.jpg)
It’s supposed to leave hair healthier than it was before
![Page 23: Emmanuel Villegas ENH 101 - University of California, Davis](https://reader036.fdocuments.us/reader036/viewer/2022072604/62de830a73dc022a931e74b6/html5/thumbnails/23.jpg)
[Thanks to the tree for bearing it]