抗虫性指标K

抗虫性指标K

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Classification(s)

Geography SubjectPhysical GeographyEcosystem

Detailed Description

抗虫性指标K

 

式中,I(f)为当地作物品种上害虫的数量发展趋势;N0为调查当地为害前一世代的害虫基数;f为生殖率下降数;a为存活率下降数;S为存活率;PF为达到标准卵量百分率;P为雌虫占成虫总数的百分率。

 

参考文献

庞雄飞,梁广文,曾玲:昆虫天敌作用的评价。生态学报,1984,42(1)

How to cite

《资源环境数学模型手册》 (2018). 抗虫性指标K, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/d84ce8cb-3c31-4a5a-9664-85462554d150
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feed back

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