Effect of insecticidal progam on P. xylostella in Tianjin City in 2011.
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aI: 5% NK-17 EC, 15 g a.i. ha−1, II: 5% NK-17 EC, 30 g a.i. ha−1, III: 5% NK-17 EC, 60 g a.i. ha−1 NK-17; V: 5% Chlorfluazuron EC, 60 g a.i. ha−1. bdays after treats: the number of each plot were investigated, days after spraying insecticides. c: the significance of difference among the all treats were computed using Duncan's new multiple range to give the level of difference in p = 0.05 and p = 0.01.
创建时间：
2015-12-02
