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作 者:李霞 Li Xia(Bureau of Landscaping and Greening,Cangzhou City,Cangzhou 061001,China)
出 处:《防护林科技》2020年第1期48-49,52,共3页Protection Forest Science and Technology
摘 要:根据川硬皮肿腿蜂(Scleroderma scichuanensis Xiao)和中华甲虫蒲螨(Pyemotes zhonghuajia)的作用特点和优势,主要以协同防治天牛类蛀干害虫为例,进行野外释放及防效研究。结果表明:川硬皮肿腿蜂和中华甲虫蒲螨对天牛均有控制作用,两者的交互作用,平均寄生率为52.8%,虫口减退率为54.62%,防治效果均优于农药;二者作用时期不同,蒲螨对低龄幼虫寄生率高,肿腿蜂对中高龄幼虫寄生率高。在防治时,应根据两者的作用特点和优势,在不同时间(龄期)进行2种天敌的先后释放可达到较高的寄生率和虫口减退率。According to the action characteristics and advantages of Scleroderma scichuanensis and Pyemotes zhonghuajia,taking Monochamus alternatus trunk borers as a example,the field release and control effects were conducted.Result shows that:S.sclerotiorum and Pyemotes zhonghuajia have control effects on Monochamus alternatus,with an average parasitic rate of 52.8%and a reduction rate of 54.62%,both of which have optimal control effects than pesticides.The two have different effects during the period.It has a high parasitism rate for young larvae,and a high parasitism rate for middle and old ages.In the control,according to the characteristics and advantages of the two,the successive release of two natural enemies at different times(ages)can achieve a higher parasitic rate and larvae reduction rate.
分 类 号:S763.38[农业科学—森林保护学]
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