Indian Journal of Agricultural Research

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Indian Journal of Agricultural Research, volume 42 issue 1 (march 2008) : 42 - 46

BIOLOGICAL MANAGEMENT OF ROOT-ROT OF TOMATO CAUSED BY RHIZOCTONIA SOLANI

Kishore Chand Kumhar, N.N. Tripathi
1Department of Plant Pathology, CCS Haryana Agricultural University, Hisar - 125 004, India

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Cite article:- Kumhar Chand Kishore, Tripathi N.N. (2024). BIOLOGICAL MANAGEMENT OF ROOT-ROT OF TOMATO CAUSED BY RHIZOCTONIA SOLANI. Indian Journal of Agricultural Research. 42(1): 42 - 46. doi: .

ABSTRACT

Trichoderma viride exhibited the maximum antagonistic effect against root-rot pathogen,
Rhizoctonia solani under both laboratory and screehouse conditions followed T. harzianum. Under
laboratory conditions the mycelical growth of the pathogen was inhibited by all the four methods
tested but inhibition of R. solani was more when bits of pathogen were placed around the bit of
Trichoderma viride (in center). By this method Trichoderma viride inhibited 72.22 per cent growth of
R. solani followed by T. harzianum (69.44%). Inhibition of growth was less by G. virens and T.
longitrichum. Among different methods of application of antagonists seed treatment with Trichoderma
viride and T. harzianum in combination with soil application with same antagonists resulted in maximum
reduction of disease. Trichoderma viride reduced 57.22 per cent root-rot pathogen followed by T.
harzianum (45.44%).

KEYWORDS

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