Diseases
Nematodes
(Click on photo to enlarge)
Diseases
Disease: Curly top
Pathogen: Various strains of Beet curly top virus (BCTV), which are vectored by the beet leafhopper (Circulifer tenellus)
Host crops: Numerous plant species including many vegetables such as bean, beet, carrot,eggplant, coriander, pepper, potato, tomato, various cucurbits such as squash, cucumber,pumpkin, watermelon, etc.
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Symptoms of curly top in a coriander seed crop including stunting, purpling/yellowing of the foliage, and death of plants. | ||||
Photo Source: Lindsey du Toit, Washington State University Plant Pathologist |
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Photo Source: Lindsey du Toit, Washington State University |
On-Line Resources:
Pacific Northwest Plant Disease Management Handbook: Bean, All (Phaseolus vulgaris) – Curly Top
Nematodes
Disease: Root knot
Nematode: Meloidogyne species
Host crops: Numerous plant species, including many vegetables such as carrot, coriander, onion, potato, etc.
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Photo Source: Lindsey du Toit, Washington State University |
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Photo Source: Lindsey du Toit, Washington State University |
On-Line Resources:
Pacific Northwest Plant Disease Management Handbook: Carrot (Daucus carota) – Nematode, Root-knot
Pacific Northwest Plant Disease Management Handbook: Nematodes
Cilantro Production in California. Vegetable Production Series, UC Vegetable Research & Information Center
See Diseases, pests, and other problems common to many vegetables: Root knot