Pathogenic Variability Among Isolates of Meloidogyne javanica on Capsicum annum
Keywords:
capsicum annum cultivars, isolate, meloidogyne javanica, race, root-knot nematode, pathogenic variability, pepperAbstract
Meloidogyne javanica isolates were collected from nine districts of Uttar Pradesh. These isolates showed pathogenic variability when inoculated on the pepper cultivars California Wonder and Suryamukhi Green. Meloidogyne javanica that infected Suryamukhi Green but not California Wonder were designated as pepper race 1 and the populations that infected both the cultivars were designated pepper race 2. Race 1 was more frequent than race 2 in Almora, Pauri Garhwal, Basti, Gorakhpur, and Deoria, whereas race 2 was more frequent than race 1 in the Dehradun, Farrukhabad, Hardoi, and Sitapur districts. The overall frequencies were 70% and 30% for race 1 and race 2, respectively, in the study area.Downloads
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