论文部分内容阅读
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。
Using 0.3% Azadirachtin EC at the concentration of 15,9,5.625ga.i./hm23, the control efficacy and persistence period of Myrica rubra were tested on two Myrica rubra varieties of water chestnut and Dongkui. The results showed that: 0.3% azadirachtin EC 9ga.i./hm2 control water chestnut and red bayberry fruit fly, control effect was 63.26% ~ 86.62%, persistence 9 ~ 10d; 15ga.i./hm2 Dongkui bayberry fruit fly , Control effect was 74.5% ~ 88.36%, persistence period 8 ~ 9d.