SONG Long-teng,YU Hong-chun,WANG Yu-wei,et al.Study on Control of Bettle Larvae by Mixture of Pesticides with Beauveria brongniartii[J].Northern Horticulture,2013,37(01):131-134.
卵孢白僵菌与农药混用对蛴螬防治效果研究
- Title:
- Study on Control of Bettle Larvae by Mixture of Pesticides with Beauveria brongniartii
- 文章编号:
- 1001-0009（2013）01-0131-04
- Keywords:
- Beauveria brongniartii; insecticides; white grub; bioassay
- 分类号:
- S 482.3
- 文献标志码:
- A
- 摘要:
- 使用不同浓度的卵孢白僵菌（NEAU30503）孢子悬浮液对蛴螬进行了生物测定，以商品卵孢白僵菌和绿僵菌作为对照，同时测定了卵孢白僵菌与陶本斯乳油和功夫乳油2种化学农药混用对蛴螬的致死率。结果表明：生物农药单独使用时，仅1.25×1011孢子数/L的卵孢白僵菌（NEAU30305）在40 d时药效达到79.9%，对照处理的杀虫效果为44.6%~59.7%。菌药混用测定中，陶丝本（3 000×）与卵孢白僵菌的LT50仅为2.1 d，LT90为4.1 d，其防效最好。
- Abstract:
- Bioassay of different concentrations of Beauveria brongniartii(NEAU30503)spore suspension on white grub was detected，choosing formulaic Beauveria brongniartii and Green b.bassiana as control，and the mortality rate of Beauveria brongniartii with 2 kinds of chemical pesticides (Ceramic bens creme and kungfu creme) were also detected.The results of toxicity determination in laboratory showed that Beauveria brongniartii(NEAU30503) at the dose of 1.25×1011 conidia/L was highly correct mortality as 79.9%.The correct mortality of the reference treament was from 37.4% to 59.9%.While the mixtures of the insecticides with Beauveria brongniartii，the control effect of the mixtures of Dursban (1 000×) with Beauveria brongniartii showed the highest virulence whose LT50 of the larvae was 2.1 d,and LT90 was 4.9 d.
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备注/Memo
第一作者简介：宋龙腾（1988-），男，在读硕士，研究方向为害虫生物防治。