💊 Pest & Disease Guide
Identify crop problems and get science-based treatment recommendations
Brown Planthopper
Circular yellowing patches in field called "hopperburn". Plants dry out rapidly from center.…
Stem Borer
Dead heart in vegetative stage. White ears at heading. Hollow stems with frass.…
Aphids
Curled, yellowing leaves. Sticky honeydew on leaves. Black sooty mold on honeydew.…
Late Blight
Water-soaked lesions on leaves turning brown/black. White mold on underside in humid conditions.…
Rice Blast
Diamond-shaped gray lesions on leaves with brown borders. Neck rot causing white ears.…
Whitefly
Yellow stippling on leaves. Honeydew and sooty mold. Virus transmission — leaf curl.…
Fusarium Wilt
One-sided wilting of plant. Yellow leaves starting from bottom. Brown vascular tissue inside stem.…
Thrips
Silver streaks on leaves. Leaf tip curling. Distorted growth. Onion leaves turn silvery-white.…
Nitrogen Deficiency
Yellowing starts from older/lower leaves and moves upward. Stunted growth. Pale green color overall.…
Iron Deficiency
Interveinal chlorosis on young/upper leaves first. Leaves yellow between green veins.…