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香附子开花后,通常已形成新的地下球茎,用药很难将这些球茎杀灭。这些球茎会在下年重新萌生。如果田间香附子草量特别大,影响耕整田地种小麦,可以考虑事先用药防除。可以使用大剂量的草甘膦,施药后1个月左右再翻地,对香附子地下根茎也有一定的杀灭作用,不影响种麦。灭草松及其与2甲4氯的混配剂对香附子防效好,足量使用2甲4氯对地下根茎有更好的杀灭作用。但大剂量施用2甲4氯对种小麦有一定的不利影响。如果田间杂草密度
Cyperus rotundus, usually after the formation of new underground bulbs, medication is difficult to kill these bulbs. These bulbs will re-start next year. If the amount of Cyperus rotundus particularly large, affecting the farming of field wheat, can be considered prior to drug control. Can use large doses of glyphosate, spraying about 1 month after the turn on the underground rhizomes of Cyperus rotundus also have a certain role in killing, does not affect the kind of wheat. Methylmethasone and its mixture with 2 A 4 chlorine on the good control effect of Cyperus rotundus, adequate use of 2 A 4 chlorine on the underground rhizomes have a better killing effect. However, the high dose of 2 A 4 chlorine has some adverse effects on wheat. If the field weed density