论文部分内容阅读
近几年来,许多地区普遍地出现了谷子品种的混杂退化现象,严重地影响了谷子的产量和质量。因此,认真地搞好谷子品种的提纯复壮工作,延长现有当家品种的使用年限,是夺取谷子大面积高产稳产的有效技术措施,也是当前农业生产中应该引起重视的一项工作。具体做法有如下几种。1.穗行提纯法(单株选择法):根据提纯复壮品种的典型性、丰产
In recent years, the widespread degradation of millet varieties in many areas has seriously affected the yield and quality of millet. Therefore, conscientious efforts to purify and rejuvenate the millet varieties and prolong the useful life of the current monarch varieties are effective technical measures to seize millet over a large area with high and stable yields. It is also a task that should be emphasized in current agricultural production. There are several specific ways. 1. Ear line purification method (single plant selection method): According to the typical nature of purification and rejuvenation, high yield