CHEMICAL CONTROL OF ROOT ROT OF COWPEA IN RELATION TO ALTERED PATHOGENICITY OF FUSARIUM SOLANI
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Authors
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DILlP MONGA AND RAJENDRA K GROVER
Department of Plant Pathology, Haryana Agricultural University, Hisar 125004
Keywords:
Fusarium solani, Vigna unguiculata, Altered pathogenicity, Fungicides, Chemical controlAbstract
Mycelial growth and spore germination of Fusarium solani was best at 30-35°C and pH 6-7, while disease development in cowpea was maximum at 25-30°C and soil pH 4.0. Inocula produced at 35°C and pH 7 and 8 were less pathogenic. Mancozeb and captafol seed treatments gave maximum disease control when inocula produced at 30°C and pH 3-4 were used, while thiram seed treatment was effective in case of inocula produced at 35°C and pH 7.0. The implication of these results are discussed.
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