MA Jian-hua,HUANG Hui-ling,WANG Huan,et al.Indoor Joint Toxicity Determination of Avermectin to Mono Formamidine Hydrochloride in Different Proportions on Psylla willieti [J].Northern Horticulture,2014,38(11):113-115.
阿维菌素、单甲脒盐酸盐不同配比对槐木虱的室内联合毒力测定
- Title:
- Indoor Joint Toxicity Determination of Avermectin to Mono Formamidine Hydrochloride in Different Proportions on Psylla willieti
- 文章编号:
- 1001-0009(2014)11-0113-03
- 分类号:
- S 763.3
- 文献标志码:
- A
- 摘要:
- 以槐木虱为研究对象,采用药膜法(FDA方法)测定了阿维菌素、单甲脒盐酸盐不同配比对槐木虱的室内联合毒力效果。结果表明:1∶24、1∶29阿维菌素与单甲脒盐酸盐混配表现出很强的增效作用,共毒系数(CTC)在144.6~1 093.8之间;0.5∶34.5、0.5∶29.5、0.5∶24.5阿维菌素与单甲脒盐酸盐混配72 h共毒系数(CTC)分别为281.50、152.96、154.88,表明有增效作用,只有0.5∶34.5阿维菌素与单甲脒盐酸盐混配在48 h有增效作用,其它2个配比在24、48 h共毒系数小于80,表现为拮抗作用;该试验结果表明,阿维菌素是生物农药,单甲脒盐酸盐是有机氮农药,两者合理混配是克服或延缓害虫抗性的有效措施之一。
- Abstract:
- Taking Psylla willieti as research object,the velum contacting method (FDA method) was used to determine joint toxicity determination of different ratio of avermectin to mono formamidine hydrochloride on Psylla willieti.The results showed that the mixed ratio of avermectin to mono formamidine hydrochloride had a strong synergistic action when the ratio were 1∶24 and 1∶29.The cotoxicity coefficient (CTC) was from 144.6~1 093.8.The cotoxicity coefficient of different ratio (avermectin-mono formamidine:0.5∶34.5,0.5∶29.5,0.5∶24.5) was 281.50,152.96,and 154.88 at 72 h respectively.The synergist action appeared on a ratio of 0.5∶34.5 (avermectin∶mono formamidine) at 48 h.The antagonism effect was found in other ratios at 24 h and 48 h because cotoxicity coefficient was less than 80.The mix of biological pesticide (avermectin) and chemical pesticide (mono formamidine) was an efficient method which delayed resistance of pest population greatly.
参考文献/References:
[1] 王云果,高智辉,赵妹荣,等.防治槐木虱的药剂比较试验[J].西北林学院学报,2007,22(5):117-119.
[2] 叶明强,王有林,周元喜,等.阿维菌素与哒螨灵对柑桔红蜘蛛的联合毒力作用研究[J].湖北农业科学,2003(2):58-60.
[3] 魏书军,聂秀东,石宝才,等.阿维菌素与毒死蜱对小菜蛾联合毒力的生物测定[J].农药,2012,51(3):231-233.
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备注/Memo
第一作者简介:马建华(1975-),男,硕士,副研究员,现主要从事农作物病虫害预测预报及综合防治技术研究及草地生态等研究工作。E-mail:majianhua75@163.com.
责任作者:杜玉宁(1962-),男,高级农艺师,现主要从事生物农药研制和蔬菜病虫害防治等研究工作。E-mail:duyuning01@163.com.
基金项目:宁夏回族自治区科技支撑计划资助项目(2013ZYN045)。
收稿日期:2014-01-16