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水稻稻熱病藥劑低容量防治試驗

Low Volume Chemical Control of Rice Blast

摘要


三賽哇75%可濕性粉劑〔Beao 75% W. P.; 5-methyl-1,2,4-triazole (3,4-b) benzothiazole〕可利用動力微粒噴霧器行低容量(L:V)噴射(出水量爲0.6l/min)防治水稻葉稻熱病及穗稻熱病,其用量爲葉稻熱病馱25kg a.i./ha,穗稻熱病0.3kg a.i./ha,各加水30 1。葉稻熱病之防治在插秧後35~50天施藥一次,七天後再施藥一次。穗稻熱病之防治在抽穗前七天施藥一次,可獲良好的防治效果

關鍵字

無資料

並列摘要


Beam 75% W. P. (5-methyl-1,2,4-triazole (3,4-b) benzothiazole) was sprayed at a low volume by a motorized mistblower at flow rate of 0.6 l/min for controlling leaf and panicle blast. The applied rate for leaf blast was 0.25kg a. i./ha, and for panicle blast was 0.3kg a. i./ha, respectively, with 30 1 of water. For leaf blast control, applied at 35-50 days after transplanting, and applied once again at 7 days later. For panicle blast control, applied one time only at 7 days before heading.

並列關鍵字

無資料

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