0.3%印楝素乳油防治杨梅果蝇药效试验及持效期评价
2005
采用0.3%印楝素乳油15、9、5.625 g a.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9 g a.i./hm2防治荸荠杨梅果蝇,防效为63.26%~86.62%,持效期9~10d;15 g a.i./hm2防治东魁杨梅果蝇,防效为74.5%~88.36%,持效期8~9d.
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