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[9000483.] رقم البحث : 9000483 - |
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Integrated Control of Bean White Rot / |
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Agricultural Research Journal Suez Canal University / / Volume 10, No. 1 - 2010 |
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M. A Baraka |
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I. N. Ali |
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M. I. Khalil |
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W. I. Shaban |
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Sclerotinia sclerotiorum, white rot, Integrated Control, Cultivar reaction, urea |
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White rot caused by Sclerotinia sclerotiorum is considered one of the most serious diseases affecting bean crop in Egypt. Cultivars reaction and the effect of urea on the carpogenic germination of the sclerotia and the incidence of white rot caused by S. sclerotiorum were investigated. Results indicated that bean cultivars varied significantly in their susceptibility to white rot disease. Boston, Bravo, Paulista and Balsas cultivars were highly susceptible to the disease under greenhouse and field conditions, while Klaron cultivar was the lowest susceptible. On the other hand, all concentrations of Urea amended in the soil significantly decreased the percentage of carpogenic germination of S. sclerotiorum and the concentration (100kg/h.) was the most effective against the white rot of the two bean cultivars (Paulista and Klaron). Cultivation of the least susceptible cultivar (Klaron) in soil treated with urea (100 kg/ha.) showed successful control integration for bean white rot. |
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