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除草劑伏速隆(Flazasulfuron)對非耕地雜草之防除效果

Flazasulfuron for Control of Weeds in Non-crop Land

摘要


本研究於東部花蓮及西部桃園、臺南地區之不同氣候環境下,分別進行25%伏速隆水分散性粒劑之田間篩選試驗,以探討防除非耕地雜草之有效施用方法,提供農民使用之依據。綜合三改良場藥效試驗結果,測試藥劑25%伏速隆水分散性粒劑,以每公頃150公克或300公克之藥量,與600-1000公升之用水量,於雜草生育初期,將藥劑均勻噴施於雜草上,可防治水蜈蚣、香附子、馬齒筧、蒙香薊、長柄菊、野筧、蠅翼草、醡醬草、山土豆、天胡荽等雜草,對禾本科雜草防治效果則較差。高、低測試劑量對雜草之防治效果無明顯差異。

關鍵字

伏速隆 非耕地 藥效 藥害

並列摘要


Three trials were carried out by Hualien, Taoyuan and Tainan District Agricultural Research and Extension Stations to evaluate the new sulfonylurea herbicide flazasulfuron for the control of weeds in non-crop land by post-emergence application. Spraying 150 and 300 g/ha flazasulfuron provided an effective control of annual and perennial weeds such as Kyllinga brevifolia, Portulaca oleracea, Ageratum conyzoides, Tridax procumbens, Amaranthus viridis, Desmodium triflorum, Oxalis corniculata, Alysicarpus vaginalis, Hydrocotyle sibthorpioides. But averaged over all field trials at 40 days after application, grasses control with flazasulfuron atl50 and 300 g/ha was less than 45%.

並列關鍵字

flazasulfuron non-crop land weed control crop injury

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