Soybean diseases

Anthracnose in soybean

Colletotrichum spp.

: Stem lesions and plant death caused by anthracnose in soybean

: Soybean pod lesions caused by anthracnose

: Leaf defoliation and plant death caused by anthracnose in soybean

: Close up of anthracnose lesion with visible fungal fruiting bodies

: Close up of anthracnose lesion with visible fungal fruiting bodies

Cowpea mild mottle virus (CPMMV) in soybean

: Severe symptoms of CPMMV on susceptible line of soybean

: Severe symptoms of CPMMV on susceptible line of soybean

Downy mildew in soybean

Peronospora manshurica

: Grey tufts of downy mildew fungal growth develop on lower leaf surfaces of soybean during warm, humid conditions

: Small light-green to yellow spots on upper leaf surfaces of soybean infected with downy mildew

Phytoplasma in soybean

: Soybean phytoplasma with little pods and curled leaves

: Soybean phytoplasma with little leaf symptoms in crop canopy from side

: Soybean phytoplasma with little leaf symptoms in crop canopy from top

: Soybean phytoplasma with little leaf symptoms from side

Pod and stem blight of soybean

Diaporthe/ Phomopsis spp.

: Small black fungal fruiting bodies arranged in rows develop on soybean stems

: Fungal fruiting bodies on infected soybean pod

: Fungal fruiting bodies in rows on infected soybean stem

Powdery mildew in soybean

Erysiphe diffusa

: White powdery growth on soybean leaves infected with powdery mildew

Sclerotium blight in soybean

Sclerotium rolfsii

: Wilted, dying soybean plant infected with Sclerotium rolfsii

: White fungal mycelium visible at base of soybean stem infected with Sclerotium rolfsii

: White fungal mycelium and tan coloured sclerotia of Sclerotium rolfsii on the basal stem of soybean

Target spot in soybean

Corynespora cassiicola

: Leaf spots and lesions on soybean petioles caused by target spot

: Circular leaf lesions with concentric rings on soybean infected with target spot