Powdery mildew

Powdery mildew in barley

Blumeria graminis f. sp. hordei

: Powdery mildew colonies on barley leaf

Powdery mildew in mungbean

Podosphaera xanthii, Erysiphe vignae

: Early powdery mildew infection begins as small, white, fluffy colonies on the lower canopy of mungbean plants

: Mungbean leaves covered in powdery mildew

: Powdery mildew symptoms occur on both the upper and lower mungbean leaf surface

Powdery mildew in soybean

Erysiphe diffusa

: White powdery growth on soybean leaves infected with powdery mildew