B.t、白僵菌复配DCPV对林间松毛虫防控效果的影响

Journal of Shandong Forestry Science and Technology(2016)

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Abstract
使用B.t(苏云金杆菌)和白僵菌与DCPV(松毛虫质型多角体病毒)复配,在高脂马尾松幼林进行林间试验,对其速效性及持效性进行观测,以评价微生物制剂复配DCPV对林间松毛虫防控效果的影响.结果表明:DCPV林间使用时,加入B.t复配,其速效性表现良好,但持毒期短;DCPV与白僵菌复配,在短期内白僵菌未起到明显毒杀作用,但活虫感染率较高,至用药后1年,白僵菌起到了良好的寄生及致死作用;施药后2年,药剂对松毛虫的持续控制,由DCPV起主导作用.
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