Mosaic Bean common mosaic virus (BCMV)Caused by: Bean common mosaic necrosis virus (BCMNV)
Problem Category: Viral Disease
Symptoms: Mottled dark and light green patterns on leaves; leaves may be distorted; yellow dots may be present on leaves; growth of plant may be reduced.
Comments: BCMV can be transmitted by seed and has a worldwide distribution; BCMNV also transmitted through infected seed but geographic range more restricted.
Management: Plant only virus-free seed; plant resistant varieties.
Control: Spray 10% cow urine extract to control some extent