现代农业科技
現代農業科技
현대농업과기
XIANDAIHUA NONGYE
2014年
17期
134-135,137
,共3页
杀菌剂%梨树黑星病%防治效果
殺菌劑%梨樹黑星病%防治效果
살균제%리수흑성병%방치효과
fungicide%pear scab%control effect
为筛选出防治梨树黑星病的有效药剂,以黄金梨为对象,对梨黑星病进行田间防治试验,结果表明:30%己唑醇悬浮剂的防效最好,其2000、3000、4000倍液3个处理在梨树叶片上的防效分别为87.23%、83.17%、80.61%,在果实上的防效分别为86.21%、83.12%、80.29%。15%苯醚甲环唑水分散粒剂3000、4000倍液,40%腈菌唑乳油6000、7000倍液、40%氟硅唑乳油6000、7000倍液的在梨树叶片和果实上的防效均在80%以上,供试的4种三唑类杀菌剂是防治梨树黑星病的理想药剂。
為篩選齣防治梨樹黑星病的有效藥劑,以黃金梨為對象,對梨黑星病進行田間防治試驗,結果錶明:30%己唑醇懸浮劑的防效最好,其2000、3000、4000倍液3箇處理在梨樹葉片上的防效分彆為87.23%、83.17%、80.61%,在果實上的防效分彆為86.21%、83.12%、80.29%。15%苯醚甲環唑水分散粒劑3000、4000倍液,40%腈菌唑乳油6000、7000倍液、40%氟硅唑乳油6000、7000倍液的在梨樹葉片和果實上的防效均在80%以上,供試的4種三唑類殺菌劑是防治梨樹黑星病的理想藥劑。
위사선출방치리수흑성병적유효약제,이황금리위대상,대리흑성병진행전간방치시험,결과표명:30%기서순현부제적방효최호,기2000、3000、4000배액3개처리재리수협편상적방효분별위87.23%、83.17%、80.61%,재과실상적방효분별위86.21%、83.12%、80.29%。15%분미갑배서수분산립제3000、4000배액,40%정균서유유6000、7000배액、40%불규서유유6000、7000배액적재리수협편화과실상적방효균재80%이상,공시적4충삼서류살균제시방치리수흑성병적이상약제。
In order to select effective medicament for the prevention and control of pear scab,using Whangkeumbae pear as research material,the field control experiment on pear scab was conducted.The results showed that 30%hexaconazole SC had the best effect,the control effect of 2 000,3 000,4 000 times liquid of 30%hexaconazole SC on pear leaves were 87.23%、83.17%、80.61%respectively,and control effect on fruit were 86.21%,83.12%,80.29% respectively.Control effect of 3 000,4 000 times of 15% difenoconazole WG,6 000,7 000 times of 40% myclobutanil EC,40%flusilazole EC on pear leaves and fruit were all above 80%.The four kinds of triazole fungicides tested are ideal insecticide for chemical control of pear scab.