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一、“野杂麦”的危害特点“野杂麦”发生范围广,传播速度快。据田间调查,大部分麦田“野杂麦”的比例占整个麦田的3-5%,严重的高达16%。“野杂麦”繁殖速度快、分蘖力强、成穗率高,一般单株可成穗5-8个,甚至还可成穗10个以上。株高一般在100-130厘米,比栽培小麦品种高20-50厘米,秆细,成熟后易倒伏。粒小秕瘦,千粒重25克左右,易脱落,与栽培品种争肥、
First, the “wild malting ” endangering characteristics “wild malting ” occurs a wide range, spread fast. According to field surveys, most of the wheat fields contain “wild malting” which accounts for 3-5% of the whole wheat field and up to 16% of the seriousness. “Wild hybrid wheat ” Reproduction speed, strong tillering ability, into a high ear rate, the general plant can be spike 5-8, and even into the ear more than 10. Plant height is generally 100-130 cm, 20-50 cm higher than the cultivated wheat varieties, straw fine, easy to lodging after maturity. Slim small grain, grain weight of about 25 grams, easy to fall off, with the cultivation of fertilizer,