摘要
使用AS350B3小松鼠直升机喷洒75%甲基硫菌灵可湿性粉剂、50%甲基硫菌灵悬浮剂、500 g/L苯甲·丙环唑乳油、40%吡唑·戊唑醇悬浮剂防治松树枝枯病(Cenangium ferruginosum Fr.)。结果表明,40%吡唑·戊唑醇悬浮剂防效最好,1 a后防治效果为74.02%。
Thiophanate-methyl 75% WP,thiophanate-methyl 50% SC,500 g/L difenoconazole·propiconazole EC and pyraclostrobin·tebuconazole 40% SC were sprayed by AS350 B3 helicopters to control pine die-back( Cenangium ferruginosum Fr.) in Qingdao city. The result showed that the control effect of pyraclostrobin·tebuconazole 40% SC was the best which reached up to 74. 02% after one year.
引文
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