摘要
从内因(种内竞争、种间竞争)、外因(生物因素、非生物因素和土壤因子)及各因子协同作用等方面阐述了麦蚜种群数量的变动机制,并指出了麦蚜种群变动的总趋势。
Population dynamic variation mechanism of wheat aphid was elaborated from the aspects of internal cause （intraspecific competition, interspecific competition）,external cause （biological factor,nonbiological factor and soil factor） and synergistic effect of various factors.The over-all trend of population variation was pointed out .
出处
《安徽农业科学》
CAS
2016年第25期139-140,155,共3页
Journal of Anhui Agricultural Sciences
基金
广东省科技厅项目(2014B070705002)
关键词
麦蚜
种群数量
变动机制
Wheat aphid
Population quantity
Change mechanism
