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Yams (Dioscorea species of family Dioscoreaceae) are important for food, income, and sociocultural activities especially in West and Central Africa and account for about 93% of the world’s annual production of 38 million tonnes. Breeding of yams is focused primarily on the two dominant species, D...
Viruses of the genera Potyvirus, Potexvirus, Badnavirus, Cucumovirus, and Carlavirus infect yams of different species worldwide. These viruses cause a range of symptoms including mosaics, mottle, vein clearing, chlorosis, stunting, and distortion. These lead to a chronic and sometimes severe dise...
Two methods (the individual leaf method and whole plant method) for the quantitative assessment of the incidence and severity of anthracnose (Colletotrichum gloeosporioides on yam were developed and evaluated in the field over 3 growing seasons and are proposed for use in epidemiological studies....
Yam mosaic virus (YMV), genus Potyvirus; family Potyviridae is the most important virus infecting Dioscorea spp. in the tropics. It induces a variety of symptoms ranging from mild mosaic on leaves of infected plants to stunted growth. Field and laboratory studies were conducted in Nigeria to iden...
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