| 再生稻褐飞虱为害损失测定和防治指标的研究 |
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| 引用本文： | 赵士熙,王良威,吴中孚,张培卿,林启良.再生稻褐飞虱为害损失测定和防治指标的研究[J].华东昆虫学报,1994,3(1):60-64. |
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| 作者姓名： | 赵士熙 王良威 吴中孚 张培卿 林启良 |
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| 作者单位： | 福建农业大学植保系，福州350002 |
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| 摘 要： | 在福建，褐飞虱是再生稻的重要害虫，中进行了再生稻褐飞虱为害损失的测定，并对褐飞虱为害再生稻造成的产量损失结构进行了通径分析。根据虫量和产量损失的关系，结合现行稻谷价格，产量水平，防治费用等因素。确定允许为害损失率，同时建立了再生稻褐飞虱防治指标模型，按照防治指标模型，制定出不同产量水平的防治指标。
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| 关 键 词： | 再生稻 稻褐飞虱 为害损失 防治指标 产量水平 产量损失 通径分析 |
STUDIES ON THE DAMAGE AND AND ACTION THRESHOLD OF BROWN PLANTHOPPER ON REGENERATION RICE |
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| Zhao Shixi Wang Liangwci Wu Zhongfu Zhang Pciqing Lin Qiliang.STUDIES ON THE DAMAGE AND AND ACTION THRESHOLD OF BROWN PLANTHOPPER ON REGENERATION RICE[J].Entomological Journal of East China,1994,3(1):60-64. |
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| Authors: | Zhao Shixi Wang Liangwci Wu Zhongfu Zhang Pciqing Lin Qiliang |
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| Abstract: | Brown planthopper(BPH) Nilapervala lugens is a major pest on regeneration rice in FujianProvince.In this paper,the yield losscs of regencration rice caused by BPH have been studied and the struc-turcs of rice yicld losses caused by BPH in regeneration rice were analysed according to the method of pathcocfficient.Bascd on the relationship between BPH population and rice yicld loss,combined with the price ofrice yield level and cost of control,the economic tolerance of BPH was determined and the models of actionthreshold of BPH in regeneration rice were set up.According to the models,the action threshold at differenceproduction levels were formulated. |
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| Keywords: | regeneration rice brown planthoppcr damage action threshold |
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