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0.3%印楝素乳油防治杨梅果蝇药效试验及持效期评价

作  者:
孙道旺;曹继芬;杨明英;杨红映;杨美兰;杨家鸾;严位中
单  位:
云南省富民县科技局;云南省农科院植保所
关键词:
印楝素乳油;杨梅果蝇;持效期
摘  要:
采用0.3%印楝素乳油15、9、5.625ga.i./hm23个浓度,分别在荸荠、东魁2个杨梅品种上进行杨梅果蝇防治药效及持效期评价试验。其结果表明:0.3%印楝素乳油9ga.i./hm2防治荸荠杨梅果蝇,防效为63.26%~86.62%,持效期9~10d;15ga.i./hm2防治东魁杨梅果蝇,防效为74.5%~88.36%,持效期8~9d。
译  名:
Evaluation of Control Efficacy and Duration of 0.3% Azadirachtin Emulsion Against Waxberry Drosophila
作  者:
SUN Dao-Wang1, CAO Ji-Fen1, YANG Ming-Ying1, YANG Hong-Ying2 ,YANG Mei-Lan2, YANG Jia-Luan1, YAN Wei-Zhong1(1Plant Protection Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China; 2 Science & Technology Bureau of Fumin County, Fumin 650400, China)
关键词:
azadirachtin emulsion, waxberry drosophila, active duratation
摘  要:
Field trails were carried by using 0.3% azadirachtin emulsion at 15, 9 and 5.625 g a.i./ha against waxberrydrosophila of Biqi and Dongkui in orchard. The results showed that the control efficacy was 63.26 to 86.62% andactive duration was 9 to10 days at 9 g a.i./ha on Biqi. However, control efficacy was 74.5 to 88.36% and active durationwas 8 to 9 days at 15 g a.i./ha on Dongkui.

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