Management of Root-Knot Nematode (Meloidogyne incognita) on Okra (Abelmoschus esculentus (L.) Moench) Using Carbofuran and Some Animal Manures

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 A pot experiment laid out in completely randomized design (CRD) was carried out to manage Meloidogyne incognita on okra using some animal manures viz., cow manure (CM), poultry manure (PM), goat manure (GM) and swine manure (SM)] in comparison with carbofuran. Two-week old seedlings of okra were inoculated with 5,000 eggs of M. incognita. Animal manures were applied at the rate of 100 kg ha each 1 and carbofuran at the rate of 3 kg a.i ha at three weeks after sowing (WAS). Data collected at 10 WAS were 1 plant height, number of leaves, gall index (GI), nematode population (NP) and fruit weight (FW). Data were analyzed using analysis of variance (p 0.05) and descriptive statistics. Carbofuran, PM, SM, GM and CM significantly improved the growth in treated okra than in the untreated okra. PM reduced GI by 65.2%, effectively as carbofuran (69.5%). Carbofuran, PM, CM, GM and SM reduced the NP by 88.4, 86.7, 76.6, 67.8 and 60% in treated okra, respectively. Animal manures, especially PM can be used in the management of Meloidogyne incognita-infected okra in view of the outstanding performances recorded in growth, yield, nematode management and for eco-friendly reasons in lieu of carbofuran

A.A. Tanimola
C. Akarekor
World Journal of Agricultural Sciences