Chocolate pod disease in green beans. Samples of green bean (Phaseolus vulgaris) plants with their pods showing the symptoms of chocolate pod disease. This disease,caused by a virus,causes unsightly defects,such as discolouration and curling. It is thought that one of the main viruses responsible is the clover yellow vein virus (CYVV) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US DEPARTMENT OF AGRICULTURE / RICHARD LARSEN |
Bildgröße: | 2598 px × 3465 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |