The study showed that in the early growth stage of cucumber in spring,the predation on Bemisia tabaci egg was the key factor for controlling B.tabaci population,and the exclusion index of population control was 1.7333...
Based on the investigation in Longxi Mountain National Nature Reserve and the theory of survival analysis,a static life table of Taxus chinensis var. mairei population was worked out,the curves of its survival rate,mo...
The natural life tables of diamonthback moth (DBM), Plutella xylostella under pesticides treatment were constructed,and the construction method of item "pesticide" was particularly discussed.The life tables indicated ...