大麦因内外稃附着与否,可分为有稃大麦和裸粒大麦二类。一般习惯上所称大麦,是指有稃大麦。裸粒大麦则因地区不同又称裸麦、元麦、米麦或青稞等。伹我县自1974年大面积推广早熟三号(有稃大麦)大麦以来,在其种子中常出现有裸粒麦,在部分样品中含量高达3～5%。究竟是裸粒大麦(元麦)混杂,还是变异,还是有稃大麦中的裸粒麦,一时难以鉴別。为此,我从1975年夏收起,就开始注意这个问题,从 Due to the attachment of barley and its internal and external stems, barley and naked barley can be divided into two categories. Barley is commonly used to refer to barley. Nude grain barley because of the different regions, also known as rye, wheat, barley or barley and so on. Since 1974, a large area popularized precocious three (barley) barley, seeds often appear in naked wheat, in some samples up to 3 to 5%. Whether the naked barley (Yuanmai) mixed or mutated, or naked barley barley grain, sometimes difficult to identify. To this end, I started from the summer of 1975, began to pay attention to this issue, from