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扁秆藨草是水稻田的一种多年生恶性杂草,抗逆力强、适应性广、危害极大。它既能有性繁殖产生大量种子随风、流水、稻种扩散传播,又能无性繁殖产生块茎扩大蔓延危害。由种子产生的实生苗主要发生在6月份,由块茎产生的再生苗出土分散。扁秆蔗草有顶端优势现象,对溫度、光照相当敏感,随着季节的变化,生活节律相当明显。除草醚、草枯醚(125克/亩,有效量下同)、莎朴隆(200克/亩)作土壤处理可消灭草芽。苯达松(100～150克/亩)、2.4—D或2甲4氯与敌稗复配(40克+10～30克/亩)作茎叶喷雾,可杀死不同生育阶段的扁秆蔗草。
Flat stalk grass is a perennial weed in the paddy field, strong anti-congenial, wide adaptability, great harm. It can not only breed sexually, but also generate a large number of seeds in the wind, flowing water and the spread of rice species. The seedlings produced by seed mainly occurred in June, and the regenerated seedlings produced by the tubers were unearthed. Flat cane cane has the top edge of the phenomenon of temperature, light quite sensitive, with the seasonal changes, life rhythm quite obvious. Weeds grass, grass worm ether (125 g / acre, the same amount of effective), Salbutamol (200 g / acre) for soil treatment can eliminate grass buds. Bendazone (100-150 g / mu), 2.4-D or 2-MCPA (40 g + 10-30 g / mu) as stem leaf spray can kill flat stems at different growth stages Cane grass.