Effect of organic amendments on root-knot nematode (Meloidogyne incognita) in cucumber
Field experiment was conducted to evaluate the efficacy of organic amendments viz., vermicompost, mustard
oil cake, neem cake, poultrymanure and FYMagainst root-knot nematode (Meloidogyne incognita) in cucumber. All organic
amendments were applied on the spot 15 days before sowing the seeds in the respective treatment plots. The result revealed
that application of neem cake@ 1t/ha was effective in suppressing the nematode multiplication in soil and increasing plant
growth parameters and yield of cucumber. The treatment reduced the number of galls per root system, number of eggmass,
number of eggs per eggmass and final nematode population to the tune of 76.96, 64.20, 18.87 and 55.89 per cent, respectively
over untreated control. There was also 26.90, 44.47, 28.66, 40.87, 52.63 and 78.69 per cent of increase in shoot length, root
length, fresh shoot weight, dry shoot weight, fresh root weight and dry root weight of cucumber, respectively when neem
cake was applied @ 1t/ha over untreated control.
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