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Bio-management of plant parasitic nematodes infecting Bittergourd, Momordica charantia L. Das Niranjan*, Priyanka V. Bindu Department of Nematology, College of Agri. O.U.A.T., Bhubaneswar-751 003 (Odisha), India *ndasouat@yahoo.co.in
Online published on 12 December, 2019. Abstract A pot culture study was conducted to assess the efficacy of certain bioagents on management of plant parasitic nematodes infecting bittergourd. Bittergourd seeds of var. Green long were sown in infested soil in 15 cm diameter earthen pots. The pre-incubated bioagents viz.Purpureocillium lilacinum, Pochonia chlamydosporia, Bacillus pumilus and Pseudomonas fluorescens either alone or in combination; FYM and carbofuran were applied to the pot soil as per treatments. The effect of treatments on growth parameters of bittergourd plants and population of nematodes were observed 45 days after sowing and application of bioagents. Data revealed that combined application of P. lilacinum and P. fluorescens enhanced the shoot weight and root weight of bittergourd plants to the tune of 58.0% and 82.3%, respectively over untreated control. Population buildup of nematodes was also observed to be more affected by these treatments. The population of root knot nematode, lance nematode, spiral nematode and stunt nematode was reduced by 54.0, 78.1, 75.6 and 84.6%, respectively by this treatment with overall reduction of 63.1%. Top Keywords Bioagents, Plant parasitic nematodes, Management, Momordica charantia.. Top | |
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