Diseases & Plant Health Issues
Each entry expands the pathogen behind the name, whether it rides on seed, the letter code used on seed packets, and, the part nothing else connects, the varieties in our database documented to resist it. Background: plant health & seedborne disease.
Seedborne (10)
- bacteria
Bacterial Fruit Blotch
Acidovorax citrulli · Watermelon, Melon, Cucumber
- fungus
Karnal Bunt
Tilletia indica · Wheat
- virus
Tobacco Mosaic Virus
Tobamovirus tabaci / ToMV · Tomato, Pepper
- fungus
Early Blight
Alternaria linariae (A. solani) · Tomato
- bacteria
Bacterial Canker of Tomato
Clavibacter michiganensis · Tomato
- bacteria
Bacterial Spot
Xanthomonas spp. · Tomato, Pepper
- bacteria
Bacterial Speck
Pseudomonas syringae pv. tomato · Tomato
- virus
Pepper Mild Mottle Virus
Tobamovirus capsici · Pepper
- fungus
Anthracnose of Pepper
Colletotrichum scovillei · Pepper
- bacteria
Stewart's Wilt
Pantoea stewartii · Corn
Field & soilborne (15)
- fungus · F
Fusarium Wilt of Tomato
Fusarium oxysporum f. sp. lycopersici · 96 resistant varieties
- fungus · V
Verticillium Wilt
Verticillium dahliae · 79 resistant varieties
- nematode · N
Root-Knot Nematode
Meloidogyne spp. · 20 resistant varieties
- virus · TSWV
Tomato Spotted Wilt Virus
Orthotospovirus tomatomaculae · 8 resistant varieties
- oomycete · LB
Late Blight
Phytophthora infestans · 15 resistant varieties
- fungus
Septoria Leaf Spot
Septoria lycopersici · 2 resistant varieties
- fungus
Anthracnose of Tomato
Colletotrichum coccodes
- fungus · St
Gray Leaf Spot
Stemphylium spp. · 14 resistant varieties
- fungus · ASC
Alternaria Stem Canker
Alternaria alternata f. sp. lycopersici · 7 resistant varieties
- oomycete · Pc
Phytophthora Blight
Phytophthora capsici · 5 resistant varieties
- virus · PVY
Potato Virus Y
Potyvirus yituberosi · 12 resistant varieties
- virus · CMV
Cucumber Mosaic Virus
Cucumovirus CMV
- virus · TEV
Tobacco Etch Virus
Tobacco etch virus (Potyvirus) · 1 resistant varieties
- fungus
Common Rust
Puccinia sorghi · 6 resistant varieties
- fungus
Northern Corn Leaf Blight
Exserohilum turcicum · 6 resistant varieties
Seed transmission not established (12)
The sources we cite for these describe symptoms and management but not whether the pathogen travels on seed, so we do not say either way.
- disease
Leaf Rust
Wheat
- disease
Stem Rust
Wheat
- disease
Stripe Rust
Wheat
- disease
Septoria Tritici Blotch
Wheat
- disease
Tan Spot
Wheat
- disease
Powdery Mildew of Wheat
Wheat
- disease
Fusarium Head Blight
Wheat
- disease
Wheat Soilborne Mosaic
Wheat
- disease
Wheat Spindle Streak Mosaic
Wheat
- disease
Wheat Streak Mosaic Complex
Wheat
- disease
Barley Yellow Dwarf
Wheat
- pest
Hessian Fly
Wheat