Line-breeding的意思|示意

Various approaches have been used to improve the performance of adapted indigenous stock, including cross-breeding and upgrading through back-crossing with improved breeds, and within-line selection.

已有多种方法被用于提高地方良种的性能，包括杂交育种，以及通过与良种的回交和品系内选育进行的品种改良。

The paper introduces the breeding methods of the homozygous two-type line, temporary maintainer line and complete sterile line with a recessive epistasis nuclear male sterile.

对甘蓝型油菜隐性上位细胞核雄性不育纯合两型系、临保系和全不育系的转育方法进行了介绍。

On line dyadic selective breeding water share checks an instrument.

选配在线式水份检测仪。

The traditional line selection and cross breeding is one of the most effective ways to cultivate improved varieties.

传统的家系选择和杂交育种是培育优良品种最有效的方法之一。

The first breeding line is expected to be released next year for use by private seed companies and public soybean breeders.

第一繁育系预计在明年发布，仅供私人种子公司和公共大豆种植者使用。

The high-yield and high-quality in erect panicle type Japonica line could be selected by anther culture or group selective breeding.

通过花培和组群筛选法均能较快地获得直穗型高产优质粳稻品系。