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在红早酥梨园杂草优势种草高10~20cm时期,应用100~150mL/667m2百草枯(20%克无踪水剂)对杂草进行茎叶喷雾处理,处理后15d,对1年生、多年生杂草除草效果达92.4%~98.3%,处理后30d,对杂草除草效果保持在81.4%~90.8%,均好于人工除草的效果;与人工除草比较,具有省时、省力、节约开支的优点;在红早酥梨园应用百草枯除草,对梨树安全无药害。
In the early morning pears pear weed dominant species of grass high 10 ~ 20cm period, the application of 100 ~ 150mL / 667m2 paraquat (20% grams of no trace water agent) weeds spray stems and leaves, 15d after treatment, 1 year old, Herbicidal effect of perennial weeds reached 92.4% ~ 98.3%. After weed 30 days, the effect of weeding on weeds was maintained at 81.4% ~ 90.8%, which was better than that of artificial weeding. Compared with artificial weeding, this method had the advantages of time saving, labor saving and cost saving Advantages; Paraquat in red astringency pear weeding, pears safe and harmless.