Corn troubles

Leaves

Anthracnose of maize (Glomerella graminicola) Anthracnose of maize (Glomerella graminicola)   Crazy top of corn (Sclerophthora macrospora) Crazy top of corn (Sclerophthora macrospora)   Grey leaf spot of corn (Cercospora zeae-maydis) Grey leaf spot of corn (Cercospora zeae-maydis)   Grey leaf spot of corn (Cercospora zeae-maydis) Grey leaf spot of corn (Cercospora zeae-maydis)   Corn smut (Ustilago maydis) Corn smut (Ustilago maydis)   Corn stunt disease (Spiroplasma kunkelii) Corn stunt disease (Spiroplasma kunkelii)   Corn stunt disease (Spiroplasma kunkelii) Corn stunt disease (Spiroplasma kunkelii)   Drought Drought   European corn borer European corn borer   Goss' bacterial wilt (C. michiganensis ssp. nebraskensis) Goss' bacterial wilt (C. michiganensis ssp. nebraskensis)   Iron deficiency Iron deficiency   Leafminer Leafminer   Magnesium deficiency Magnesium deficiency   Maize dwarf mosaic virus Maize dwarf mosaic virus   Nitrogen deficiency Nitrogen deficiency   Northern corn leaf blight (Setosphaeria turcica) Northern corn leaf blight (Setosphaeria turcica)   Phosphorous deficiency Phosphorous deficiency   Pythium Pythium   Stewart's wilt Stewart's wilt   Sun scald Sun scald

Stem

Anthracnose of maize (Glomerella graminicola) Anthracnose of maize (Glomerella graminicola)   Bacterial soft rot Bacterial soft rot   Charcoal rot Charcoal rot   Cutworm Cutworm   Fasciation Fasciation   Goss' bacterial wilt (C. michiganensis ssp. nebraskensis) Goss' bacterial wilt (C. michiganensis ssp. nebraskensis)   Northern corn leaf blight (Setosphaeria turcica) Northern corn leaf blight (Setosphaeria turcica)   Pink root of onion Pink root of onion

Roots

Corn smut (Ustilago maydis) Corn smut (Ustilago maydis)   Nitrogen toxicity Nitrogen toxicity   Root-knot nematode Root-knot nematode   Stubby root nematode (Paratrichodorus minor) Stubby root nematode (Paratrichodorus minor)

Cobs

Aspergillus ear and kernel rot Aspergillus ear and kernel rot   Corn smut (Ustilago maydis) Corn smut (Ustilago maydis)   Fusarium ear and stalk rot Fusarium ear and stalk rot   Fusarium ear and stalk rot Fusarium ear and stalk rot   Northern corn leaf blight (Setosphaeria turcica) Northern corn leaf blight (Setosphaeria turcica)   Northern corn leaf blight (Setosphaeria turcica) Northern corn leaf blight (Setosphaeria turcica)

Husk

Northern corn leaf blight (Setosphaeria turcica) Northern corn leaf blight (Setosphaeria turcica)   Northern corn leaf blight (Setosphaeria turcica) Northern corn leaf blight (Setosphaeria turcica)

Visible pests

Aphid Aphid   Cutworm Cutworm   European corn borer European corn borer