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Indoor Toxicology and Field Efficacy of Five Biological Pesticides for Controlling Jujube Tersnyhus truncatus in Xinjiang(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年12期
Page:
106-109
Research Field:
Publishing date:

Info

Title:
Indoor Toxicology and Field Efficacy of Five Biological Pesticides for Controlling Jujube Tersnyhus truncatus in Xinjiang
Author(s):
CHI Zhen-jiang1; LI Jin1; SUN Jie1; LIU Duo-hong2; ZHAO Si-feng1
1.Key Laboratory at Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management,Plant Protection Resource Utilization,Shihezi University,Shihezi,Xinjiang 832003;
2.Regiment 224 Division No.14 of Xinjiang Production and Const Ruction Group,Hetian,Xinjiang 848116
Keywords:
jujube; Tersnyhus truncatus; toxicity testing; fallen flowers rate; control efficiency
PACS:
S 665.1
DOI:
-
Abstract:
Slidedip method was used to determine the indoor toxicity of five biological pesticides to Tetranychus truncatus, and the control efficiency of five biological pesticides on jujube Tetranychus truncatus in the field and the affection of flowers were evaluated,in order to screen the appropriate pestcides at jujube flowering stage in Xinjiang.The results showed that the LC50 of 0.3% matrine on adult female mite was 0.0264 mg/L,1.8% avermectin and rotenone and 2% emamectin benzoate was 0.2678 mg/L and 1.1512 mg/L,respectively,the toxicity of 0.5% azadirachtin was the lowest,and the LC50 was 2.2604 mg/L.After treatment for 5 d,0.3% matrine AS and Beauveria bassiana suspension had the least impact on jujube flower,the drop flower rate were 32.61% and 34.78%,respectively;the drop flower rate of 1.8% Avermectin and rotenone and 0.5% azadirachtin were 43.33% and 45.45%,respectively.The field control efficiency of 0.3% matrine 1 500 times,2 000 times,1.8% avermectin and rotenone 2 000 times,2 500 times,and 10 times the fungus Beauveria bassiana suspension on Tetranychus truncatus were more than 84%,could be used as miticides at jujube flowering stage.

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Last Update: 2014-08-01