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有读者来电问:稻田水竹叶比较难除,去年用20%氯氟吡氧乙酸乳油20毫升一桶水(15公斤)挑除,2甲4氯也用了,效果不理想。什么药对水竹叶防效好?水竹叶为鸭跖草科杂草。在扬州等地,水竹叶于3月下旬开始在麦田、沟渠、田埂边出苗,4月上旬为出苗高峰。5月中旬开始分枝,生长加快。麦子收割后遗留田间,耕翻种稻时残留田间的水竹叶很快生根发芽,大量繁殖,在7月上中旬出现分枝高峰。水竹叶抗药性较强,苄嘧磺隆、吡嘧磺隆、二氯喹啉酸等稻田常用药对其防效差。
A reader asked: rice paddy leaves more difficult to remove, last year with 20% of flurbiprofen acetate EC 20 ml bucket of water (15 kg) to pick up, 2 A 4 chlorine is also used, the effect is not satisfactory. What medicine on the water bamboo leaves good effect? Water bamboo leaves Compositae weed. In Yangzhou and other places, the water bamboo leaves began to emerge in the fields of wheat, ditches and fields at the beginning of March and peaked in early April. In mid-May began to branch, grow faster. Wheat left after the harvest field, plowing rice cultivated paddy field bamboo leaves quickly rooting, mass propagation, in July on the middle of the peak appeared branches. Water bamboo leaves strong resistance, bensulfuron, pyrazosulfuron, quinclorac and other rice commonly used drugs on its poor control.