| 控制指数在水稻抗褐稻虱研究中的应用 |
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| 引用本文： | 王维专,曾玲.控制指数在水稻抗褐稻虱研究中的应用[J].华南农业大学学报,1991,12(2):9-14. |
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| 作者姓名： | 王维专 曾玲 |
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| 作者单位： | 华南农业大学昆虫生态学研究室
(王维专,曾玲,梁广文),华南农业大学昆虫生态学研究室(庞雄飞) |
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| 摘 要： | 应用昆虫生命表方法及害虫种群趋势控制指数,对新惠占1号等5个水稻品种对褐稻虱的田间抗性进行了研究,并与温室苗期抗性测定结果相印证,确定新惠占1号和“7915”为抗性品种,七桂早25、玻惠占1号为中抗品种,双桂1号为感虫品种。指出害虫种群趋势控制指数是测定和评价水稻品种抗虫性的重要指标。
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| 关 键 词： | 褐稻虱 水稻 品种 抗虫性 |
THE APPLICATION OF INDEX OF POPULATION CONTROL (IPC) TO STUDIES ON THE RESISTANCE OF RICE VARIETIES TO THE BROWN PLANTHOPPER,NILAPARVATA LUGENS (Stal) |
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| Wang Weizhuan Zeng Ling Liang Guangwen Pang Xiongfei.THE APPLICATION OF INDEX OF POPULATION CONTROL (IPC) TO STUDIES ON THE RESISTANCE OF RICE VARIETIES TO THE BROWN PLANTHOPPER,NILAPARVATA LUGENS (Stal)[J].Journal of South China Agricultural University,1991,12(2):9-14. |
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| Authors: | Wang Weizhuan Zeng Ling Liang Guangwen Pang Xiongfei |
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| Institution: | Insect Ecology Research Laboratory |
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| Abstract: | By means of life tables and the index of population control(IPC) ,rice varielal resistance to the brown planthopper(BPH),Nilaparvata lugens (Stal)was studied in the paddy field. Varieties "Xinghuizhan 1" and "7915 "were indentified as highly resistant (HR ), "Qiguizao 25 "and "Bohuizhan 1" as moderately resistant (MR) ,and"Shuanggui 1 "as susceptible(S)to BPH.The results of the studies in paddy field and the green house showed that the fecundity and survival rate of the pest were markedly affected by the resistance of the rice varieties. Because the IPC value of rice varieties was a comprehensive reflection of the influence of the varieties on the insect pest population, the index of population control (IPC) could be an important parameter in identifying varietal resistance. |
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| Keywords: | Brown planthoppcr Varietal resistance of rice to insects |
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