Bioassay of PoNPV+1%VBL,PoNPV+12.5 μL·L-1 Chlorbenzuron,PoNPV+15 μL·L-1 Trichlorphon was conducted on 2-instar larvae of Parocneria orientia in lab.The results showed that 1%VBL,12.5 μL·L-1 Chlorbenz...Bioassay of PoNPV+1%VBL,PoNPV+12.5 μL·L-1 Chlorbenzuron,PoNPV+15 μL·L-1 Trichlorphon was conducted on 2-instar larvae of Parocneria orientia in lab.The results showed that 1%VBL,12.5 μL·L-1 Chlorbenzuron,15 μL·L-1 Trichlorphon had better synergistic effect.Spraying of PoNPV+1%VBL,PoNPV+12.5 μL·L-1 Chlorbenzuron,PoNPV+15 μL·L-1 Trichlorphon and PoNPV to control 2～3 instar larvae of second generation in field,the concentrations of PoNPV were 8×106 PIB·mL-1,4×106 PIB·mL-1,2×106 PIB·mL-1,1×106 PIB·mL-1,5×105 PIB·mL-1,there were 20 treatments.It was indicated that when the concentration was the same,the effect of PoNPV added synergists was better than that without synergists.展开更多
文摘Bioassay of PoNPV+1%VBL,PoNPV+12.5 μL·L-1 Chlorbenzuron,PoNPV+15 μL·L-1 Trichlorphon was conducted on 2-instar larvae of Parocneria orientia in lab.The results showed that 1%VBL,12.5 μL·L-1 Chlorbenzuron,15 μL·L-1 Trichlorphon had better synergistic effect.Spraying of PoNPV+1%VBL,PoNPV+12.5 μL·L-1 Chlorbenzuron,PoNPV+15 μL·L-1 Trichlorphon and PoNPV to control 2～3 instar larvae of second generation in field,the concentrations of PoNPV were 8×106 PIB·mL-1,4×106 PIB·mL-1,2×106 PIB·mL-1,1×106 PIB·mL-1,5×105 PIB·mL-1,there were 20 treatments.It was indicated that when the concentration was the same,the effect of PoNPV added synergists was better than that without synergists.
文摘蜀柏毒蛾(Parocneria orienta)是近年来我省柏木林区发生和危害十分严重的食叶性害虫。为了探索一条柏木林区蜀柏毒蛾生物防治的有效途径,解决蜀柏毒蛾防治(主要是化学防治)与桑蚕业的冲突,1989年我们在金堂采集、分离到1株蜀柏毒蛾病毒新毒株,经中国科学院武汉病毒所鉴定为蜀柏毒蛾核型多角体病毒(Parocneria orienta Nunclear PolyedrosisVrius简称PoNPV)。为了研究该病毒的开发利用价值,1990年进行了PoNPV毒力的生物测定。现将研究结果报道如下。
