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Modeling the population dynamics of cotton bollworm Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) over a wide area in northern China

文献类型： 外文期刊

作者： Feng, Hongqiang 2 ; Gould, Fred 2 ; Huang, Yunxin 2 ; Jiang, Yuying 4 ; Wu, Kongming 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100094, Peoples R China

2.N Carolina State Univ, Dept Entomol, Coll Agr & Life Sci, Raleigh, NC 27695 USA

3.Henan Acad Agr Sci, Inst Plant Protect, Zhengzhou 450002, Peoples R China

4.Natl Agrotech Extens & Serv Ctr, Beijing 100026, Peoples R China

关键词： Helicoverpa armigera;Population dynamics;Computer modeling

期刊名称：ECOLOGICAL MODELLING （ 影响因子：2.974； 五年影响因子：3.264 ）

ISSN： 0304-3800

年卷期： 2010 年 221 卷 15 期

页码：

收录情况： SCI

摘要： The cotton bollworm Helicoverpa armigera (Lepidoptera: Noctuidae) is one of the most serious crop pests in northern China, calling for accurate prediction of pest outbreaks and strategies for pest control. A computer model is developed to simulate the population dynamics of H. armigera over a wide area in northern China. The area considered covers 12 provinces where serious outbreaks of H. armigera have been observed. In this model, pest development is driven by local ambient temperature, and adults migrate long distances between regions and select preferred hosts for oviposition within a region. Six types of host including cotton, wheat, corn, peanut, soybean and a single category composed of all other minor hosts are considered in this model. Survival rates of eggs and larvae are based on life-table data, and simulated as a function of host type, host phenology and temperature. The incidence of diapause depends on temperature and photoperiod experienced during the larval stage. Survival rate of non-diapause pupae is a nonlinear function of rainfall, and overwinter survival rate is a nonlinear function of temperature. Insecticide is applied when population density exceeds the economic threshold on a host crop within a region. Comparisons of model output with light-trap data indicate that our model reflects the pest population dynamics over a wide area, and could potentially be used for testing novel pest control strategies in northern China. (C) 2010 Elsevier B.V. All rights reserved.

  • 相关文献

[1]Return migration of Helicoverpa armigera (Lepidoptera: Noctuidae) during autumn in northern China. Feng, H. -Q.,Wu, K. -M.,Cheng, D. -F.,Guo, Y. -Y.,Feng, H. -Q.,Ni, Y. -X.. 2005

[2]High-altitude windborne transport of Helicoverpa armigera (Lepidoptera : Noctuidae) in mid-summer in northern China. Feng, HQ,Wu, KM,Ni, YX,Cheng, DF,Guo, YY. 2005

[3]Regulation of the seasonal population patterns of Helicoverpa armigera moths by Bt cotton planting. Gao, Yu-lin,Wu, Kong-ming,Feng, Hong-qiang.

[4]Seasonal Migration of Helicoverpa armigera (Lepidoptera: Noctuidae) Over the Bohai Sea. Wu, Xianfu,Wu, Bo,Wu, Kongming,Feng, Hongqiang.

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