Efficacy of rhizosphere mycoflora for their antagonistic activity against root rot pathogen of pea
DOI:
https://doi.org/10.53550/jfl.v22i3.1802Abstract
Pea (Pisum sativum L.) is one of the important pulse crops. Being a legume, it helps in maintaining soil fertility by fixing atmospheric nitrogen through root nodule bacteria Rhizobium leguminoserum. In India, it is generally cultivated as winter vegetable in the plains of Northern region and as summer vegetable in the hills. In Rajasthan, it is grown in all regions and amongst them Jaipur stands first, where it was cultivated in an area of 13,410 ha with a production of 31,699 M.T during 2005-06 (Department of Statistics. Directorate of Agriculture, Pant Krishi Bhawan, Jaipur). The root rot disease incited by Fusarium solani (Martius) is a serious disease throughout the world (Kraft et al. 1928; Furgel 1984). This disease is soil borne and causes crop losses in Northern India as high as 97 per cent (Sen and Majumdar 1974). Management of disease through chemical measures alone is an inadequate approach to provide a long term solution. However, to minimise the ill effects of chemicals, search for some bioagents from the rhizosphere of pea would help to manage the disease in an effective and ecofriendly manner. Therefore, the present investigations were undertaken to isolate bioagents from the rhizosphere of pea and testing their antagonistic effect against Fusarium solani, causing root rot of pea.
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