Disease Terminology
Disease Terminology
Resistance is defined as the ability of a plant variety to highly restrict the activities of a specific pathogen or insect pest and/or restrict the symptoms and signs of a disease when compared to susceptible varieties.
Tolerance is defined as the ability of the plant to endure or recover from damage caused by an adverse environmental or chemical stress.
Guide to Diseases
- A₂
- anthracnose (Colletotrichum orbiculare – Race 4)
- ALS
- Angular Leaf Spot (Psuedomonas syringae pv lachrymnas)
- ASC
- Alternaria stem canker (Alternaria alternata f sp. lycopersici – Races 1, 2 and 3)
- BSK
- Bacterial Speck (Pseudomonas syringae pv. tomato)
- BST
- Bacterial Spot (Xanthamonas axonopodis pv. vesicatoria) races 1, 2, and 3
- CMV
- Cucumber Mosaic virus
- Downey Mildew
- (Psuedopernospora cubensis)
- F
- Fusarium wilt (Fusarium oxysporum f sp. Lycopersici – Races 1, 2 and 3)
- FCRR
- Fusarium Crown Root Rot
- N
- Southern root-knot nematode (Meloidogyne incognita, M. arenaria, M. javanica – Race 1)
- PeMV
- Pepper Mottle virus
- PM
- Powdery Mildew (Spaerotheca fuliginea)
- PRSV
- Papaya Ring Spot virus
- PVY P₀
- Potato virus Y
- Sc
- Scab (Cladosporium cucumerinum)
- St
- Grey leaf spot (Stemphylium solani)
- TEV
- Tobacco etch (tobacco etch virus)
- TMV
- Tobacco mosaic virus
- Tobamo
- Tobamo virus
- ToMV
- Tomato mosaic virus (Strains 0, 1, and 2)
- TYLCV
- Tomato yellow leaf curl virus
- V
- Verticilium wilt (Verticilium dahliae – Race 1)
- WMV
- Watermelon Mosaic 2 virus
- ZYMV
- Zuchinni Yellow Mosaic virus (All Races)