test hot wooman Flashcards
what does pest feeding couSE 2
wounds or holes
what are two mounth peices on animals
chewing
piercing-sucking
what are the 6 parts of intigrated pest managment
culture control
chemical control
physical control
biological control
behaviour control
host plant resistence
what are three omafra resosurses
agronomy guide
field crop news
crop protection hub
what is the definitoin of an economicla threashhold
pest density at which a decision must be made to prevent an increasing pest population from reaching an economic injury level
what bug causes the following symptoms in early season cereals
stunting
chlorosis
purpling
there are 2
cereal aphinds
barley yellow dwarph virus
early season corn ceral corn soy
stand loss
patchy
stunting
there are 2
seedcorn magot
white grubs
what conditoins favor seedcorn maggot 2
cool wet springs
decaying organic matter
early season corn cereals soybean
stunting or plant death
skips in row
purple or bluew leaf tips
wire worms
what two crops are wire worms serious on
corn
spring planted cereals
when is the best time to bait wire worm
spring or late fall but spring is better
what are four wireworm bait traps
moist corn or
wheat
cut up potatos
flour
what are three common white grubs
june beetle
earopean chafer
japanese
which is the bigest of the white grubs
june beetles
which bug has lines in a zipper formatoin
european chaffer
which bug has two straight lines
june bug
which of the grubs has a three year life cycle
june bug
what time of year do teh european chafer and japanese beetle lay there eggs and come out
june jully
what is a early season corn pests
black cutworm
what are three problamatic sypmtoms of cutworm
cut plant
missing plants
wilting plants
4 larva id for black cutworm
grey black
pale underside
hide in soil during day
up to 3.5cm long
what is one thing that will increase your risk for black cutworm
grean coverage in spring before tillage
what are three problamatic symptoms of a cereal leaf beetle
defoliatoin leafs look silver windowpaining
if you walk out of your wheat field and have brown streaks what kind of insect is it
cearial leaf beetle
what are two problamatic symptoms for army worm
defoliatoin
ragged leafs
dull green to brown larva
white bordered stripes along body
dorange brown head
which insect is this
true armyworm
MID SEASONsoybean symptoms
defoliatoin circles
bean leaf beetle
what does a bean leaf beetle look like
black triangle bebtween the head
variable coulor and spots
what effect does pod feeding have in soybeans 2
increased suseptibility to diseases
transmit bean pod mottle virus
when do new bean leaf beetles apear in the year
june jully
what insect will couse the following in mid season soybeans
defoliation skeliting
japanese beetle
what are soybean threashholds for defoliation
30 in veg stage
20 in r stage
explain how to take a soybean leaf defoliation sample
take top bottom middle leaves
throw away the worse and the best one and do a sample on the three middle ones
perform on tenish plants
mid-late season soybeans
silvery grey
drought stress
patches close to field edge
spidermites two spoted
what do spidermites come out and where do they effect the plant
first week of jully
bottam leaves
how often should one check for spidermites in dry conditoins
4-5 days
what is the threathold of a spidermite
4 or more per leavlet
mid-late season soybeans
early ants
sooty mold sticky plants
soybean aphids
what plant do soybean aphids love
european buckthorn
what soybean insect has alot of natural preditors
soybean aphid
what percentage of seed coating is actually tooken up by the plant
2-3%
