T型杂交小麦不育系夏繁去杂保纯技术

• 作 者: 郭远志
• 机 构: 四川省南充地区种子公司,
• 出 处: 种子科技
• 发表日期: 1992年04期
• 关键词: 小麦不育系 杂交小麦 去杂去劣 杂株 保纯 整地播种 苗期 颖壳 小麦田 去杂

近年来,随着我区T型杂交小麦研究进程的加快,不育系的高速繁殖十分重要。为了达到不育系夏繁优质高产的目的,我们通过四年的摸索,认为应从以下几个方面抓好去杂去劣工作。 1 苗期去除异杂株。异杂株主要是指变异株和混杂株,前作小麦田还有自生麦。在苗期,应根据不育系和保持系的特征,一旦发现与之有差异的植株就应拔除。对自生麦还可先行灌溉或待天下雨,让其自然出苗后再整地播种。

In recent years, with the accelerated T-hybrid wheat research in our region, the high-speed breeding of CMS is very important. In order to achieve the purpose of summer high quality and high yield of sterile line, we through four years of exploration, that should do a good job from the following aspects to miscellaneous and inferior work. 1 seedling removal of heterotic strains. Heterozygous strains mainly refers to mutant strains and mixed strains, before the wheat field as well as self-born wheat. At the seedling stage, the characteristics of the CMS and maintainer lines should be removed once any plant species found to be different. On the self-generated wheat can also be irrigated or to be rainy days, let the natural seedlings planted after planting.