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调查与分析稻田恶性杂草种类发生特点、形成原因、危害现状并进行科学防除,对提升稻田杂草综合治理水平至关重要,能收到事半功倍成效。稻农和业内人士认为,目前国内稻田恶性杂草有8种:杂草稻、稗稻、水花生、莎草、稻李氏禾、野慈姑、千金子、马唐。其突出共性是抗逆性强,与水稻竞争水分、养料、空间激烈,危害大,难防除。现对各类杂草进行浅析,
Investigation and analysis of the characteristics of malignant weeds in paddy fields, the formation of causes, the status quo and the current status of scientific prevention and control are of great importance in improving the comprehensive management of weeds in paddy fields. Rice farmers and the industry believe that there are currently 8 kinds of domestic weeds in weedy weeds: weedy rice, barnyard rice, water peanut, sedge, rice Lee Wo, Wild Arrowhead, Qianjinzi, Crabgrass. Its outstanding commonality is that it has strong resistance and competes with rice for water and nutrients, which makes it highly hostile and hard to control. Are all kinds of weeds are analyzed,