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vegetable production
exam
205
Agriculture
Undergraduate 4
12/06/2011

Additional Agriculture Flashcards

 


 

Cards

Term
andromonecious
Definition
perfect and imperfect flowers on each plant
Term
predator
Definition
attacks, kills, feeds on host
Term
parasitoid
Definition
lay eggs within prey, larvae feeds and kills
Term
parasite
Definition
lives in host but doesnt kill
Term
syrphid fly
Definition
feed on aphids and other soft bodied insects
Term
photosynthesis
Definition
converts sunlight into carb
Term
respiration
Definition
converts carbs into energy- mostly at night
Term
transpiration
Definition
how a plant breathes
*stomates- plants breathe and exhale through these
Term
soil
Definition
1. sand, 2. silt, 3. clay, 4. organic matter
Term
cation exchange
Definition
slay, organic matter and some silt pick up positively charged nutrients (cat-ions), adsorbes them
Term
soil pH
Definition
measurement of H+ ions, lower pH, more H+ ions

low pH bad, causes aluminum toxicity, add lime
Term
how to soil test
Definition
take 20 1-tbs samples, 6-8" deep, mix in a bucket, place in box and take to soil lab $7, good for 3 years
Term
compost
Definition
decayed plants, animals and microorganisms
Term
benefits of composting
Definition
high in nutrients N, Ca, Mg, "fertilizer"
-increases water-holding capacity
-more FRIABLE (easily crumbled)
- decreases soil compaction
Term
how to make compost
Definition
a) brown material, limbs, leaves, woody plant material
b) green material, grass clilppings, succulent, tomato vines, lush
1:1 brown and green

cup of 13-13-13 and water

turn every 4-6 weeks

*do not add dog maneur, human waste or meat
Term
brassica
Definition
mustard family from Europe
Term
cole crops
Definition
cabbage, broccoli, cauliflower, brussel sprouts, collards, kale, kohlrabi, *withstand cost weather and frost
Term
brassica but not cole
Definition
turnip and mustard
Term
glycosinolate
Definition
mustard oil found in cole crops
Term
soil pH that isnt 5.8-6.5
Definition
irish potato (4.8-5.4), melon and eggplant (6-6.5)
Term
hardening off
Definition
deprive plant of water, put out in the cold, let the wind blow around, then bring back in- kicks a hardening gene
Term
fertilizing cole crop
Definition
all P, 1/2 N, 1/2 K at planting, later (6 weeks) 1/2 N + 1/2 k
Term
most serious brassica disease
Definition
BLACK ROT- yellow, v shaped lesion, goes inward- *use certified seed
Term
wire stem
Definition
bottom rot- infected plant may be twisted or bent, but not broken, FUNGICIDE
Term
alternaria leaf spot
Definition
severe if left untreated, small dark spot with rings, copper spray
Term
downy mildew
Definition
brown powder, cool and wet, copper spray
Term
#1 pest of cabbage
Definition
diamondback both caterpillar- spray w/ insecticide
Term
irish potatoes originated in
Definition
peru
Term
turnips are planted at what distance
Definition
1-2 inches all around
Term
fertilizer distributed for turnip
Definition
8-8-8
Term
harvesting turnips- time and how
Definition
45-60 days, crop 8-10" and leave 2", pull out whole plant later
Term
potato tuber formation how many days after planting
Definition
30-60
Term
seeding potato- size of tubor
Definition
egg size w/ 2 eyes
Term
potato seed: thumb rule of depth
Definition
2.5Xdiameter
Term
where do you plant potato seeds
Definition
on "beds"
Term
don't overfertilize potato with what?
Definition
N
Term
worst disease for potato- potato famine
Definition
late blight
Term
worse pest for potato
Definition
colorado potato beetle
Term
green lacewing larvae- alligator friend
Definition
generalist predator- feed on aphids
Term
preying mantid
Definition
generalist predator- feed on beneficial and pests
Term
lady beetles
Definition
predaceous on aphids
Term
assassin bugs
Definition
predaceous on wide variety of small to medium sized insects including caterpillars, leafhoppers and aphids
Term
insect for leaf lettuce
Definition
aphid
Term
crab spider
Definition
no web- hunter, control pests
Term
jumping spider
Definition
do not build webs but move and hunt
Term
predatory mite
Definition
control spider mite, popular with greenhouse growers
Term
tiger beetle
Definition
feed on wide variety of prey
Term
braconid wasp
Definition
aphids- preys on tobacco and tomato hornworm, female lays egg in aphid when egg hatches larve feeds on aphids insides
Term
Icheumonid wasp
Definition
beneficial, act as parasite, female injects egg in the host
Term
nightshade family
Definition
solanaeceae
Term
bell pepers
Definition
large, blocky, blunt- reds have more vitamin c and a

reds- expensive
Term
bullet shaped pepper
Definition
jalapeno
Term
tobasco
Definition
pickled
Term
capsium chinense
Definition
habenero
Term
endorphins
Definition
released after eating hot food, might add to feeling of pleaseure
Term
Icheumonid wasp
Definition
beneficial, act as parasite, female injects egg in the host
Term
nightshade family
Definition
solanaeceae
Term
bell pepers
Definition
large, blocky, blunt- reds have more vitamin c and a

reds- expensive
Term
bullet shaped pepper
Definition
jalapeno
Term
tobasco
Definition
pickled
Term
capsium chinense
Definition
habenero
Term
capsaicin
Definition
hotness in peppers, affects mucus membrane- in plancental tissue that holds the seed- DAIRY HELPS
Term
SCOVILLE organoleptic
Definition
human subjects taste a pepper
Term
pepper season
Definition
warm- may
Term
hardening off
Definition
1- reduce h20, wilt
2- place outside
3- withhold fertilizer during final 2 weeks of transplant production
*hardy gene activated
Term
fertilizing pepper
Definition
all p and k at planting, 1/2 n, sidedress N when vines begin to run
Term
soil solarization
Definition
till soil, wet soil, lay clear plastic 4-6 weeks- aug-sept, kills insects and other shit
Term
worst physiological problem for peppers
Definition
BER- blossom end rot- ca deficiency
Term
sunscald
Definition
direct sunlight and high temps
Term
most serious disease for pepper
Definition
bacterial leaf spot
Term
tomato spotted wilt virus
Definition
affects tomato and pepper *transmitted by thrips
Term
how to get rid of tomato spotted wilt virus
Definition
aluminum foil under plant, resistant varities
Term
cutworm solution
Definition
tin can around roots
Term
fleshy berry
Definition
tomato
Term
breaker stage
Definition
<10% showing tannish yellow, pink or red, on surface near blossom end- VINE RIPE
Term
lycopene
Definition
red pigment, antioxidant
Term
tomato temps
Definition
day 77-86, night 60-68- 95 too hot, 50 too cold
Term
transplant date for tomato
Definition
apr 15
Term
days to mature fruit for tomato
Definition
60-90
Term
germ temp for tomato
Definition
85
Term
transplant fertilizer tomato
Definition
20-20-20
Term
tomato fertilizer
Definition
preplant all lime and p, 1/2 n and k, then sidedress 1/2 n and k when tomatoes begin to flower
Term
are tomatoes heavy medium or light feeders
Definition
HEAVY!!!!!!
Term
stalking and tying required
Definition
every other plant- stake, then weave
Term
suckering
Definition
pruning, getting rid of extra limbs

leave the sucker below the first flower, but get rid of all the others
Term
radial crack
Definition
stem end- radiating out from center of tomato- most common on ripening fruit
Term
concentric crack
Definition
a ring on the tomato green
Term
puffiness
Definition
outer wall in normal but tomato is hollow inside- one of the loclear cavities is empty, high N, low light- N:K out of balance
Term
cat facing
Definition
cool weather at blossom time causes fruit to pucker and have deep crevices
Term
Tomato Spottted wilt virus is vectored by
Definition
thrips
Term
MOST COMMON DISEASE OF TOMATo
Definition
early blight
Term
cutworms
Definition
active only at nightc
Term
#1 insect of tomato
Definition
corn ear worm- tomato fruitworm BT
Term
stinkbug control
Definition
natural pyrethrum- chrysanthemum
Term
what weather to spidermites like? and how to you control them
Definition
hot and dry miticide
Term
aphids- dont need to treat usually bc they usually do what?
Definition
wait for them to crash
Term
tomato hornworm
Definition
pick them off- they only feed on foliage
Term
how can you tell if a green tomato is mature?
Definition
cut crosswise and if the knife doesnt cut any seeds its mature
Term
vine ripe
Definition
breaker stage or greater
Term
where should you never store tomatoes?
Definition
the fridge
Term
mechanical weed controlling
Definition
primary tillage, mulching, hand pulling and hoeing
Term
cultural weed controls
Definition
planting dates, only irrigate within the row, growing techniques that don't favor weeds
Term
preemergent herbicide
Definition
prevents weeds
Term
postemergent herbicide
Definition
roundup
Term
what type of herbicide is best
Definition
preemergent because it controls as seeds germinate
Term
eggplant cannot handle what?
Definition
cold!
Term
when is eggplant planted?
Definition
june
Term
how often should solanaceae be rotated?
Definition
2-3 years
Term
fertilizing eggplant
Definition
all p+k 1/2 n at planting, 1/2 n at fruit set
Term
eggplant moderate heavy or light feeder?
Definition
moderate
Term
eggplant planting distance
Definition
2X4
Term
how often do you harvest eggplant?
Definition
every other day- delayed harvest cuases them to be corky
Term
#1 disease of eggplant
Definition
phomopsis blight- spread by splashing water
Term
phytophthora blight
Definition
hot and wet
Term
southern blight
Definition
rotation, soil solarization
Term
#1 insect of eggplant
Definition
colorado potato beetle
Term
storage temp and humidity of eggplant
Definition
54 degrees, 90-95 humidity
Term
pesticide
Definition
chemical used to kill, prevent or control a pest
Term
before controlling a pest, what should you do?
Definition
identify it!
Term
IPM (integrated pest management)
Definition
single plan with combination of tactics (natural and applied controls)
Term
pesticide label is law
Definition
illegal to misuse
Term
cyanogenic glucoside
Definition
wild types of lima beans high in poison- dont eat them raw
Term
fertilizing lima beans
Definition
all p + k and 1/2 n at planting, sidedress w/ 1/2 n at bloom- moderate feeder
Term
days to harvest lima beans
Definition
bush: 60-70
pole: 80
butterpea (dixie buterpea)
Term
planting date of lima bean
Definition
april 15
Term
whats a big deal to control with lima beans?
Definition
weeds
Term
major disease for lima beans
Definition
nematodes
Term
nematode
Definition
microscopic worms that invade roots
Term
not the biggest but a major disease of lima beans
Definition
stem anthracnose
Term
main insect of lima beans
Definition
mexican bean beetle
Term
when to harvest lima beans
Definition
when pods are filled
Term
most flowers on cucurbits are
Definition
monoecious
Term
cucurbits cold damage temp
Definition
50
Term
oblong watermelon with dark stripes (4th of july)
Definition
jubilee
Term
small and round watermelon <10 lbs
Definition
icebox
Term
triploid
Definition
seedless- double # normal chromsome cross w/ normal, produces little pollen so must plant pollenizer
Term
soil temp for watermelon
Definition
70=95
Term
watermelon spacing
Definition
3x8 feet
Term
planting dates watermelon
Definition
arp 15
Term
maturity watermelon (days)
Definition
80-100 LONG WAIT
Term
watermelon pollination
Definition
7 visits required, bottleneck is a result of poor pollination
Term
fertilize watermelon
Definition
all pk, 1/2n, 1/2 when vines begin to run
Term
triploid
Definition
transplant
Term
#1 disease of watermelon
Definition
gummy stem blight
Term
when to harvest watermelon
Definition
tendril dries out, thumping sound, yellow belly
Term
spacing of squash
Definition
1x3 ft
Term
planting date squash
Definition
apr15
Term
squash are monecious so they must be pollenated by _____ and have insecticide on at ______
Definition
bees, dusk
Term
#1 probelm of squash
Definition
viruses- NEED TO CONTROL APHIDS
Term
squash insect
Definition
pickleworm (love squash)

squash wine borer(frass extrudes from stem)- VERY damaging

squash bug- feed on cucurbits- toxic saliva
Term
melon is moderate, heavy, or light feeder
Definition
moderate
Term
planting date melon
Definition
apr15
Term
planting spacing melon
Definition
2x6
Term
maturity of melon (days)
Definition
85
Term
whats the worst problem of melons
Definition
diseases
Term
#1 disease of melon
Definition
gummy stem blight
Term
belly rot
Definition
occurs when melons are mature, rotation and turning help
Term
bacterial wilt diagnostic test
Definition
put a stem in a glass of water, white threads oozing means you have it
Term
nematode sample
Definition
soil test sample, put in a plastic bag and ship to a soil testing lab
Term
melon virus
Definition
mosaic virus complex- aphids
Term
cucumber beetles pass ______ to cucurbits
Definition
bacterial wilt
Term
pickleworms love _____ and _____
Definition
squash and melons
Term
harvest melons when
Definition
stem slip! (cool)
Term
after picking melons its good to give them
Definition
an icewater bath to get rid of "field heat"
Term
gynoecious
Definition
all female flowers *cucumber?
Term
staminate and pistillate
Definition
male and female
Term
PF
Definition
predominantly female hybrids, few male flowers
Term
cucumbers like what temps
Definition
HOT 82-90
Term
how often do you rotate cucurbits
Definition
every year
Term
fertilizing cucurbits
Definition
normal
Term
planting date cucumber
Definition
apr 15
Term
cucumber days to maturity
Definition
54-65
Term
#1 disease cucumber
Definition
gummy stem blight
Term
#1 virus cucumber
Definition
mosaic
Term
bugs cucumber
Definition
cucumer beetles, pickelworm, aphid-- pickleworm leaves an exit hole
Term
standard sweet
sugar content
Definition
2x more sugar than field corn
Term
sugary enhanced
Definition
2x more sugar than standard sweet
Term
super sweet
Definition
2x more sugar than sugary enhanced w/ 10day storage
Term
corn heavy light or moderate feeder
Definition
heavy
Term
fertilizing corn
Definition
normal and sidedress when plants are 1 ft tall
Term
planting date corn
Definition
mar 15
Term
spacing corn
Definition
8x36"
Term
mature corn does what when punctured (and what does silk look like)
Definition
exude milk liquid- dried out
Term
what should you do after you pick corn
Definition
cold water
Term
smut
Definition
large fleshy irregular fungus on leaves, stem, ears and tassels- most common disease of sweet corn- delicacy some places
Term
#1 insect problem of corn
Definition
corn ear worm- not a big deal for a home gardener
Term
fall army worm
Definition
Term
okra
Definition
cant stand cold, lots of nematodes so rotate
Term
okra disease
Definition
fusarium wilt, control nematodes

blossom blight most common
Term
okra harvest
Definition
every other day
Term
okra harvest
Definition
every other day
Term
ratooning
Definition
grows back when you cut it (okra)
Term
okra seeds
okra feeder
Definition
soak in water for 8 hours first
moderate
Term
sweet potato light moderate or heavy feeder
Definition
light
Term
scurf
Definition
sweet potato disease
Term
sweet potato weevil
Definition
bad news
Term
puting sweet potatoes on skirt or whatever
Definition
DONT KNOW
Term
beans have ________ flowers
Definition
perfect
Term
southern pea
Definition
black eyed, crowder, cow peas, or just peas
Term
rhizobium
Definition
bacteria that nitrogen fixes for beans
Term
most dominant pea
Definition
crowder (crowds all others out)
Term
pea spacing
Definition
4" by 3 feet
Term
#1 problem for peas
Definition
weeds
Term
cowpea disease
Definition
wormy- eggs inside pods
Term
southern pea susceptible to
Definition
damping off
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