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Emergence to knee-high(V7) (yellow-white areas in leaf (plants mostly…
Emergence to knee-high(V7)
scattered spots of dead or poorly growing plant
Uneven growth
poor growing conidtions
uneven drainage
ammonia injury
Dead or stunned, discolored plants grading into normal plants at margin of affected area
insect damage
Garden Symphylane
White grub
Wireworm
cultivator injury
stewart's leaf blight
nematodes
Ammonia injury
Glyyphosate drift injury
plant discolored and stunted
Dull grey areas onupper leaves often where leaf leaf bends
frost
scalding
leaves yellow; plants weak and stunned
sulfur deficiency
nitrogen deficiency
purple or red discoloration of leaves, especially margins; stunting of roots
imidazolinone or sulfonylurea
herbicide injury
dicamba herbicide injury
dinitroaniline herbicide injury
phosphorus deficiency
plants irregularly shaped, broken, or wilted
plant twisted or broken off
Thiocarbamate herbicide injury
High acetamide herbicide rate
cultivator damage
insecticide injury
Leave appear water-soaked, to grayish becoming necrotic
frost
paraquat injury
ammonia injury
leave rolled, planted wilted
drought stress
root feeding insect
corn rootworm
corn root aphid
grape colaspis
white grub
garden symphylan
mechanical injury to root
nematodes
leaves tightly rolled, not wilted
herbicide injury
2,4-D,dicamba
chloroacetamide herbicide
plant suddenly wilt and die or cut off at ground level
insect damage
black cutworm
cultivator injury
wireworm
plant discolored
lower leaves dead tips dying on upper leaves
fertilizer injury
Chinch bug
pale green color
Glyphosate drift injury
Nitrogen deficiency
Waterlogged soils
leaf edge yellow or dead
potassium deficiency
leaves purplish or reddish
dinitroanline herbicide injury
glyphosate drift injury
wind damage
cold soils
root insect
grape colaspis
white Grub
Garden symphylan
wireworm
plant tissue removed
windowpane effect, leaf skeletonizing
insect damage
Grape colaspis
redheaded flea beetle
cereal leaf beetle
Palestriped flea beetle
southern corn rootworm
plant tissue
large hole in leaves
sod webwormed
common stalk borer
variegated cutworm
slugs
leaf margin damaged
yellowed-striped armyworm
armyworm
fall armyworm
rows of holes across leaves
wireworm
cutworm
armyworm
billbug
shredding or tearing of leaf
wind, hail damge
small area of dead plants
plants missing
problem at or neat planting
dead plants present
cultivator injury
lightning
yellow-white areas in leaf
plants mostly white
genetic mutation
drift or carryover
isoxaflutole, mesotrione, clomazone
whitish or yellowish striping between leaf veins
nutrient dificeincy
magnesium
manganese
iron
boron
low pH
only on occasional plants
physiological injury
necrotic stripes between vein
strewart's leaf blight
whitish striping along veins
suflur deficiency
broad white areas in center toward base of leaves stunning failure of internode to enlongate
zinc defieciency
narrow whitish scratched in the leaf surface only
corn flea beetle
leaves appear sandblast or speckled, tips shredded
wind damage
Thrips
