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Pathogenicity Potential of Meloidogyne incognita in Cowpea Kumar Mayank*, Simon Sobita, Dolpria M. Department of Plant Protection, SHIATS, Allahabad *Email: mayank.aaidu@gmail.com/sobitasimon@rediffmail.com
Abstract Pathogenic potential of Meloidogyne incognita with different inoculum levels i.e. 1000, 2000, 3000, 4000, 5000 larvae/pot capacity of 1 kg soil were tested in the net house of the Department. Observations were recorded on plant growth parameters no. of nodules, no. of root-knot galls and larvae population. Drastic reduction form 24.43% to 62.30% in average growth characters was recorded in the plants inoculated with the inoculum level of 5000 larvae/pot as compared with other inculum level. The final nematode population (J2) of M. incognita also directly proportional to the initial inoculum level of cowpea crop. Gradual reduction in no. of bacterial nodulation of cowpea was observed with the increase of inoculum levels. Top Keywords Pathogenicity, Meloidogyne incognita, cowpea. Top | |
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