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Biological Characteristics of Sugarcane Rust in Beihai and Its Control Methods
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作者 韦金菊 邓展云 +3 位作者 黄伟华 潘雪红 王伯辉 刘晓静 《Plant Diseases and Pests》 CAS 2010年第4期16-19,共4页
The sugarcane rust was the main disease causing damage on sugarcane leaves. The biological characteristics of the sugarcane rust pathogens found in Beihai were studied. The research results showed that the germination... The sugarcane rust was the main disease causing damage on sugarcane leaves. The biological characteristics of the sugarcane rust pathogens found in Beihai were studied. The research results showed that the germination of uredospores would be promoted under the dark condition or with the glucose concentration of 1.5%. The suitable temperature range for the germination of uredospore was 20 -25 ℃, 25 ℃3 was the optimum temperature. The range of relative humidity (RH) for the germination of uredospore was over 80%, the optimum relative humidity for the germination of uredospore was 100% +water drops with the germination rate of 28.3%. Urediospore could germinate in the pH value range of 4.1 - 11.1, the most suitable pH value was 7.0. At routine conditions, the longest survival period of uredospore was 120 days. Selection of resistant varieties and cultivation management was the key of control measures. 展开更多
关键词 Sugarcane rust biological charactedstics Control measures
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