论文部分内容阅读
采用0.5%藜芦碱可湿性粉剂进行防治文山松毛虫林间试验,结果表明,0.5%藜芦碱可湿性粉剂对文山松毛虫有较好的速效性和持效性。生产中推荐使用量为62.5～93.75g/hm2,施药时期在松毛虫幼虫4龄前,浓度以0.125%～0.08%药液为宜。
0.5% veratridine wettable powder was used to prevent and control Pinus densiflora forest. The results showed that 0.5% veratridine wettable powder had good fast-acting and persistence to Dendrolimus punctatus. The recommended dosage for production is 62.5-93.75g / hm2. Before the 4th instar larvae of Dendrolimus punctatus, the concentration is 0.125% -0.08%.