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Studies on Conditions for Sporulation and Inoculation of Uredospores of Cowpea Rust Pathogen |
Zeng Yongsan1; Wang Zhenzhong1; Zhao Chen2 |
1South China Agricultural University; Guangzhou 510642; 2Zhongkai Agrotechnical College |
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Abstract The uredospores of cowpea rust pathogen,Uromyces vignae,were tested for their conditions of sporulation and inoculation. Successful sporulations were always obtained when the uredospores were incubated on sterilized tap or distilled water,1 % glucose,1 % sucrose,leaf extract of cowpea seedlings or surface of separating leaves. There were no significant differences in the sporulation percentages among treatments. The best one occurred on sterilized water at 25 during partlight and partdark. Spray inoculatio...
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Received: 01 January 1900
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