Knowledge Base

Comprehensive guide to plant diseases, symptoms, and treatments

Categories

Fungal Diseases

25 diseases

Bacterial Diseases

18 diseases

Viral Diseases

15 diseases

Nutrient Deficiencies

12 diseases

All Diseases

Late Blight (Tomato & Potato)

Dark brown spots on leaves, white mold on undersides, rapid leaf death

High

Powdery Mildew

White powdery coating on leaves, stunted growth, leaf curling

Medium

Rust Diseases

Orange, yellow or brown pustules on leaf undersides

Medium

Bacterial Spot

Small dark spots with yellow halos, leaf drop, fruit lesions

High

Fire Blight

Blackened branches appearing burnt, oozing cankers, wilting flowers

High

Bacterial Wilt

Sudden wilting despite adequate water, vascular browning

Very High

Tomato Mosaic Virus

Mottled light and dark green patterns, leaf distortion, reduced fruit

High

Cucumber Mosaic Virus

Yellow mosaic patterns, stunted growth, deformed fruit

Medium

Leaf Curl Virus

Upward curling leaves, yellowing, stunted plant growth

High

Nitrogen Deficiency

Yellowing of older leaves (chlorosis), stunted growth, pale plants

Low

Iron Deficiency (Chlorosis)

Yellowing between leaf veins (interveinal chlorosis) on young leaves

Low

Calcium Deficiency (Blossom End Rot)

Dark, sunken spots on fruit bottom, especially tomatoes and peppers

Medium