| 暴发性桑树病虫害损失估计研究 |
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| 引用本文： | 周金钱.暴发性桑树病虫害损失估计研究[J].蚕业科学,1998,24(4):197-201. |
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| 作者姓名： | 周金钱 |
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| 作者单位： | 浙江省农业厅 |
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| 摘 要： | 根据浙江省６个重点蚕区县市１８年桑树主要病虫害发生情况及桑叶损失情况，提出了暴发性桑树病虫害损失的评价方法；明确了浙江重点蚕区已经全面或局部暴发过的病虫种类，和暴发性病虫害发生具有明显种群优势及间隙性、种类多样性的特点；分析了影响桑树病虫害暴发的主要因素。
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| 关 键 词： | 桑树 病虫 暴发 损失估计 |
LOSS ESTIMATION ON PEST AND DISEASE OUTBREAK IN MULBERRY |
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| Zhou,Jinqian.LOSS ESTIMATION ON PEST AND DISEASE OUTBREAK IN MULBERRY[J].Acta Sericologica Sinica,1998,24(4):197-201. |
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| Authors: | Zhou Jinqian |
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| Abstract: | After analyzing the information on occurrence of main pests and diseases in mulberry,and on the yields of mulberry leaves and silkworm cocoons in the past 18 years in 6 major silkworm cocoon production counties,Zhejiang Province,the method of estimation on loss of yield,brought about by outbreak of pests and diseases in mulberry,was suggested,and the varietes of pest and disease which have broken out overall or locally were identified.The significant predominance of populations,the distinct inteval,and the diversified types of pest and disease were found to be main characteristics of pest and disease outbreak in mulberry.Moreover,the major factors affecting the outbreak of pests and diseases in mulberry were also analysed. |
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| Keywords: | Mulberry Pest Outbreak Loss estimation |
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