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| Occurance and Control of Scallion Anthracnose |
| Shi Zhilong 1; Tong Xianming 2 |
| 1Dinghai Agriculture and Forest Bureau; Zhoushan 316000; 2Department of Plant Protection; Zhejiang Agricultural University |
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Abstract The scallion anthracnose started occurring from the end of April to the begining of May in Zhoushan Island,Zhejiang,China. It reached maximum at the middle or the last ten days of May. A moderate temperature and heigh humidity were the important factor for the disease epidemic. Irrigated or continuous cropping field was in favor of the disease occurance. The yield loss caused by the disease was 20%～50% in irrigated field,and 10%～25% in nonirrigated farmland. The disease could be controlled by application of...
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Received: 01 January 1900
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