Diseases and disorders
Some of these are not diseases. Flower drop in a heatwave is weather. Treating it as a nutrient problem makes it worse.
- Septoria leaf spot fungal
- Fusarium wilt fungal
- Verticillium wilt fungal
- Bacterial speck and spot bacterial
- Tomato mosaic virus viral
- Tomato yellow leaf curl virus viral
- Anthracnose fruit rot fungal
- Potato common scab bacterial
- Blackleg and soft rot bacterial
- Blossom drop physiological
- Cucurbit downy mildew oomycete
- Gummy stem blight fungal
- Cucumber mosaic virus viral
- Bitter fruit physiological
- Brassica downy mildew oomycete
- White blister oomycete
- Brassica black rot bacterial
- Whiptail physiological
- Onion white rot fungal
- Onion downy mildew oomycete
- Onion neck rot fungal
- Chocolate spot fungal
- Bean rust fungal
- Halo blight bacterial
- Lettuce downy mildew oomycete
- White mould fungal
- Carrot cavity spot oomycete
- Cercospora leaf spot fungal
- Damping off oomycete
- Strawberry crown and root rot oomycete
- Strawberry leaf spot fungal
- Raspberry cane blight fungal
- Fig rust fungal
- Citrus greasy spot fungal
- Citrus foot rot and gummosis oomycete
- Alternaria brown spot fungal
- Citrus tristeza virus viral
- Lime-induced chlorosis physiological
- Brown rot fungal
- Shot hole fungal
- Bacterial canker bacterial
- Silver leaf fungal
- Bitter pit physiological
- European canker fungal
- Pocket plum fungal
- Esca fungal
- Grape black rot fungal
- Olive knot bacterial
- Olive anthracnose fungal
- Rose rust fungal
- Rose downy mildew oomycete
- Box blight fungal
- Lavender shab fungal
- Pelargonium rust fungal
- Narcissus basal rot fungal
- Tulip fire fungal
- Honey fungus fungal
- Phytophthora root rot oomycete
- Red thread fungal
- Fusarium patch fungal
- Salt and wind scorch physiological
- Waterlogging physiological
- Sunscald physiological
- Edema physiological
- Peach leaf curl fungal
- Late blight oomycete
- Early blight fungal
- Powdery mildew fungal
- Downy mildew (vine) oomycete
- Powdery mildew (vine) fungal
- Grey mould fungal
- Scab fungal
- Fire blight bacterial
- Rose black spot fungal
- Allium rust fungal
- Clubroot other
- Olive peacock spot fungal
- Sooty mould fungal
- Mint rust fungal
- Blossom end rot physiological