GENETIC-ANALYSIS OF ANTHER CULTURE RESPONSE IN MAIZE

被引：51

作者：

PETOLINO, JF

THOMPSON, SA

机构：

来源：

THEORETICAL AND APPLIED GENETICS | 1987年 / 74卷 / 02期

关键词：

D O I：

10.1007/BF00289982

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Response frequencies in maize (Zea maysL.) anthers cultured in vitro were examined in a diallel set of crosses among four commercial inbred lines. Significant differences among the genotypes were observed, with the crosses H99 .times. FR16 and Pa91 .times. FR16 displaying the highest responses. General (GCA) and specific (SCA) combining ability mean squares were calculated and determined to be highly significant. GCA effects among the parental lines were highest for FR16 and lowest for LH38. Nongenotypic, plant-to-plant differences were also found to make a significant contribution to the overall variation observed. The results from this study indicate that parents which give rise to highly responsive hybrids can be identified and that genetic improvement is possible through selection.

引用

页码：284 / 286

页数：3

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