我县麦田杂草主要有看麦娘、荠莱和萹蓄,尤以看麦娘为害最重,全县发生7万余亩,约占三麦面积的14%。看麦娘,当地叫野麦,属禾本科。须根系,分蘖力强,成穗率高,繁殖力惊人。据调查,看麦娘每平方尺有65穗,每穗平均600余粒,每亩约有种子2亿多粒。种子很小,种皮褐色有角质,并有内外颖包裹,因此它具有较长的休眠期。看麦娘子4月中旬前后抽穗,5月中、下旬种子从穗子顶端自上而下逐渐成熟,陆续脱落,麦收后随着耕翻而将草种翻入土中,部分随麦秸或水流传播,草苗一般在9月下旬、10月上旬出苗。被害麦田,每 Our county wheat weeds are mainly to see Amanita, chestnuts and razor clam accumulate, especially in the most serious damage to see the mother, the county occurred more than 7 acres, accounting for 14% of the area of ​​three wheat. Look Aman, the local wild wheat, is a grass. Must root system, strong tillering ability, high spike rate, amazing fecundity. According to the survey, Anemarrhena has 65 spikes per square foot, with an average of more than 600 grains per spike, with more than 200 million seeds per acre. Seed is very small, brown skin horny, and there are foreign Ying package, so it has a longer dormant period. See Mai Niang in mid-April heading before mid-May seed from the top of the ears gradually mature from top to bottom, one after another off after the wheat harvest with the turn of the grass turned into the soil, some with the straw or water flow, grass Miao usually in late September, early in October emergence. Victims of wheat fields, each