Int. J. Biosci.13( 4), 343-349, October 2018
Screening of eggplant germplasm against root-knot nematode (Meloidogyne incognita) was evaluated to find the host status for five eggplant cultivars infected with Meloidogyne incognita. Seedlings of the cultivars Dilnasheen, Nirrala, VRIB-01, VRIB-04, and VRIBH-03 were transplanted into earthen pots containing sterilized soil. Repeat five times for each treatment. Thirty days after the transplantation, plants were inoculated with 2000 freshly hatched J2 of M. incognita. The nematode-inoculated plants were allowed to grow for 45 days and then harvested. Plants and roots were washed carefully in tap water. The root galling and egg mass indices were assessed on 0 to 5 scales and J2 root population was assessed. All the five cultivars were found susceptible based on the rate of reproduction of nematodes. Dilnasheen showed a maximum number of galls with the galling index of 5 and egg masses with egg mass index of 5 being most susceptible one while Nirrala was found to be less susceptible with a minimum number of galls with the galling index of 4 and egg masses with egg mass index of 4. None of the cultivars was found resistant to M. incognita.
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