NUMBERS OF SPOROPHYTIC SELF-INCOMPATIBILITY ALLELES IN POPULATIONS OF WILD RADISH

被引：49
|
作者：
KARRON, JD
MARSHALL, DL
OLIVERAS, DM
机构：
[1] Department of Biology, University of New Mexico, Albuquerque, 87131, NM
来源：
THEORETICAL AND APPLIED GENETICS | 1990年 / 79卷 / 04期
关键词：
Multiple paternity; Plant breeding systems; Raphanus sativus; Sporophytic self-incompatibility;
D O I：
10.1007/BF00226152
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
To estimate the numbers of sporophytic S-alleles in two adjacent populations of wild radish, we performed 701 reciprocal crosses among 50 individuals. Each cross was replicated five times in each direction. Sixteen plants were fully intercompatible, indicating the presence of at least 32 S-alleles in the two populations. A minimum of 22 S-alleles occur in a single population. The frequency of incompatibility was significantly higher for within-population crosses (14.5%) than for between-population crosses (7.8%). This suggests that the two populations differ in the composition and frequency of alleles at the S-locus. © 1990 Springer-Verlag.
引用
收藏
页码：457 / 460
页数：4
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