温度和食料对斜纹夜蛾种群的影响

应用生态学报 ›› 2000, Vol. ›› Issue (1): 112-115.

温度和食料对斜纹夜蛾种群的影响

祝树德, 陆自强, 陈丽芳, 郁伟, 张绍军

扬州大学农学院植保系, 扬州225009

收稿日期:1999-03-01 修回日期:1999-07-12 出版日期:2000-01-25
通讯作者: 祝树德,男,1949年生,副教授,从事农业昆虫和昆虫生态研究,已发表论文30多篇,出版6部著作、教材.E-mail:jcw u@yz.js.cn
基金资助:
江苏省"九·五"重点科技攻关项目(BE96358)

Effect of temperature and food on Spodoptera litura population

ZHU Shude, LU Ziqiang, CHEN Lifang, YU Wei, ZHANG Shaojun

Department of Plant Protection, Agricultural College, Yangzhou University, Yangzhou 225009

Received:1999-03-01 Revised:1999-07-12 Online:2000-01-25

摘要/Abstract

摘要： 用正弦模型V(T)=A+Bsin(C₀+C_1e^C₃T+C_2e^-C₃T)拟合了斜纹夜蛾(Spodoptera litura)发育与温度的关系,并用直接最优法估算了斜纹夜蛾不同发育阶段的温度阈值和所需热量.根据不同温度下的实验种群生命表资料,拟合了斜纹夜蛾不同发育阶段的存活率与温度关系的模型,卵、低龄幼虫、高龄幼虫、蛹的理论最适温度分别为26.7、24.7、24.9、25.8℃.本文研究了甘蓝、荷藕、山芋、大豆等不同食料条件下斜纹夜蛾的龄年发育结构的两性生命表参数,在25℃下,这4种食料条件下的内禀增长率分别为0.1836、0.1719、0.1778、0.1206.

Abstract: The relationship between temperature and development of Spodoptera litura was simulated by the sine modelV(T)=A+Bsin(C₀+C_1e^C₃T+C_2e^-C₃T),and the threshold temperature and thermal requirment for its development at different stages were estimated by the direct optimum method.The model for the relationship between temperature and survival rate was fitted by the experimental data.The theoretical optimum temperature for the development of eggs,young instar larvae,old instar larvae and pupae was 26.7,.24.7,24.9 and 25.8℃,respectively.The life table parameters under different feed conditions (cabbage,lotus,sweet potato,soybean leaves)were estimated by the method of bisexual life table with age structure.At temperature 25℃,the intrinsic rates of increase under the four different feed conidtions were 0.1836,0.1719,0.1778 and 0.1206,respectively.

祝树德, 陆自强, 陈丽芳, 郁伟, 张绍军. 温度和食料对斜纹夜蛾种群的影响[J]. 应用生态学报, 2000, (1): 112-115.

ZHU Shude, LU Ziqiang, CHEN Lifang, YU Wei, ZHANG Shaojun. Effect of temperature and food on Spodoptera litura population[J]. Chinese Journal of Applied Ecology, 2000, (1): 112-115.

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