您好，欢迎访问福建省农业科学院 机构知识库！
福建省农业科学院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Indirect Effect of Elevated CO2 on Population Parameters and Growth of Agasicles hygrophila (Coleoptera: Chrysomelidae), a Biocontrol Agent of Alligatorweed (Amaranthaceae)

文献类型： 外文期刊

作者： Shi, Meng-Zhu 1 ; Li, Jian-Yu 1 ; Jian, Bo Din 1 ; Fu, Jian-Wei 1 ; Zheng, Li-Zhen 1 ; Chi, Hsin 4 ;

作者机构： 1.Fujian Acad Agr Sci, Inst Plant Protect, Fuzhou 350013, Fujian, Peoples R China

2.Fujian Key Lab Monitoring & Integrated Management, Fuzhou 350003, Fujian, Peoples R China

3.Minist Agr, Fuzhou Sci Observing & Expt Stn Crop Pests, Fuzhou 350003, Fujian, Peoples R China

4.Fujian Agr & Forestry Univ, State Key Lab Ecol Pest Control Fujian & Taiwan C, Fuzhou 350002, Fujian, Peoples R China

关键词： Agasicles hygrophila; Alternanthera philoxeroides; elevated CO2; two-sex life table; indirect effect

期刊名称：JOURNAL OF ECONOMIC ENTOMOLOGY （ 影响因子：2.381； 五年影响因子：2.568 ）

ISSN： 0022-0493

年卷期： 2019 年 112 卷 3 期

页码：

收录情况： SCI

摘要： Alligatorweed, Alternanthera philoxeroide (Mart.) Griseb. (Amaranthaceae) is an invasive weed in China that is often kept under control by the alligatorweed flea beetle, Agasicles hygrophila Selman and Vogt (Coleoptera: Chrysomelidae) introduced into China from Argentina in the 1980s. Elevated CO2 levels have been shown to have a direct effect on Ag. hygrophila. In order to fully evaluate the indirect effects of three different atmospheric concentrations of CO2 (420, 550, and 750 ppm) on the population parameters of Ag. hygrophila reared on Al. philoxeroides, we collected life table data for Ag. hygrophila using the age-stage, two-sex life table method. In general, there were no significant differences in the lengths of the preadult parameters among the three treatments. The adult duration and total longevity of males, however, did increase as CO2 increased in concentration. Although the adult preoviposition and total preoviposition periods decreased, the fecundity, oviposition days, eggs per oviposition day, net reproductive rate, intrinsic rate of increase, and finite rate of increase all increased significantly at the high CO2 concentration. Consequently, we determined that the Ag. hygrophila population size will potentially increase rapidly over a short period of time at elevated CO2 concentrations. Our results suggest that 550 and 750 ppm CO2 may also cause physiological changes in Al. philoxeroides that, in turn, provide enhanced nutrition for increasing reproduction in Ag. hygrophila by accelerating maturation of their reproductive system. These results indicate that the efficacy of Ag. hygrophila as a biological control agent against Al. philoxeroides will likely be increased at 550 and 750 ppm CO2.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：福建省农业科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台