【摘要】 通过研究不同药剂对海南省甜瓜霜霉病的防治试验。试验结果表明,第2次施药后7d,以68.75%银法利悬浮剂600倍液处理的防效最好,达88.09%;其次为72%霜霉疫净可湿性粉剂处理(防效86.45%);69%安克锰锌水分散粒剂600倍液、50%金雷多米尔-锰锌可湿性粉剂600倍液和10%科佳乳油2000倍液处理的防效分别为83.83%,81.61%和76.16%。上述5种药剂防治甜瓜霜霉病均有较好的效果,在生产上应用时,可进行轮换使用。更多还原

【Abstract】 The results showed that second application of chemicals after 7 d,best control effect (88.09%)was obtained in Fluopicolide and Propamocarb Hydrochloride SC 600 time,the next one (86.45%) was in 72% mixed Cymoxanil and Mancozeb WP 600 time. Control efficacy of 69% mixed dimethomorph and Mancozeb WG 600 time,50% mixed Metalaxyl and Mancozeb WP and 10% Cyazofamid EC 2 000 time was 83.83% ,81.61% and 76.16% respectively against the mildew downy in muskmelon and can be alternatively used in production.更多还原