Plant Pathology (1997) 46, 95-103

T.N. Sengooba, N.J. Spence, D.G.A. Walkey, D.J. Allen and A. Femi Lana (1997)
The occurrence of Bean common mosaic necrosis virus in wild and forage legumes in Uganda
Plant Pathology 46 (1), 95-103
Abstract: Bean common mosaic necrosis virus (BCMNV) was isolated from Centrosema pubescens, Crotalaria incana, Lablab purpureus, Phaseolus lunatus, Senna bicapsularis, S. sophera, Vigna vexillata and an unidentified Crotalaria species growing in Uganda. Thirteen distinct isolates were characterized using symptoms, pathogenicity in differential bean cultivars, serology, immunosorbent electron microscopy, and seed and aphid transmission. Some isolates conformed with the characteristics of previously described strains of BCMNV but others showed novel properties. All isolates reinfected the natural host from which they were obtained. The origin and ecological significance of these isolates is discussed.
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Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution
environment - cropping system/rotation

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Bean common mosaic necrosis virus	Beans (Phaseolus)	Uganda
	Bean common mosaic necrosis virus	Cowpea and relatives (Vigna)	Uganda
	Bean common mosaic necrosis virus	Hyacinth bean (Lablab purpureus)	Uganda