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1防治适期及喷药时间以禾本科杂草为主的麦田,一般在10月下旬至11月上旬,小麦为3叶期最好。以阔叶杂草为主的麦田,一般在11月下旬至12月上旬,此时小麦为3~5叶期。当麦田各类杂草基本出齐苗时进行防治。喷药时间应选择无风晴天进行,具体时间以上午9时后下午4时前为宜。2适宜药量以播娘蒿、荠菜等阔叶杂草为主的麦田,用10%苯磺隆可湿性粉剂150~225g/hm2,对水450kg/hm2喷雾;以节节麦、野燕麦等禾本科杂草为主的地块,用3%世玛油悬浮剂375~450mL/hm2加专用助剂1 125~1 350mL/hm2,对水6 750kg/hm2喷雾;对于阔叶杂草和禾本
1 Prevention and treatment of the right time and spraying time Weeds mainly wheat field, usually in late October to early November, wheat is the best 3-leaf stage. Broadleaf weed-dominated wheat fields, usually in late November to early December, when wheat is 3 to 5 leaf stage. When wheat weeds all kinds of basic weeds when the control. Spraying time should be chosen sunny days, the specific time to 9 o’clock in the afternoon after 4 pm is appropriate. 2 appropriate dose to broadcast broadleaf weeds Artemisia, shepherd’s purse weeds, with 10% tribenuron-methyl WP 150 ~ 225g / hm2, water 450kg / hm2 spray; nodular wheat, wild oats, etc. Grass weeds-based plots, with 3% SC Emulsion 375 ~ 450mL / hm2 plus special aid 1 125 ~ 1 350mL / hm2, 6 750kg / hm2 of water spray; for broadleaf weeds and Wo this