MALE-STERILITY CAUSED BY CYTOPLASM OF BRASSICA-OXYRRHINA IN BRASSICA-CAMPESTRIS AND BRASSICA-JUNCEA

被引：41

作者：

PRAKASH, S

CHOPRA, VL

机构：

[1] Biotechnology Centre, Indian Agricultural Research Institute, New Delhi

来源：

THEORETICAL AND APPLIED GENETICS | 1990年 / 79卷 / 02期

关键词：

Alien gene transfer; B; campestris; juncea; Brassica oxyrrhina; Cytoplasmic male sterility;

D O I：

10.1007/BF00225965

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Synthetic alloploid Brassica oxyrrhina (2n = 18, OO) x B. campestris (2n = 20, AA) was repeatedly backcrossed with B. campestris to place B. campestris nucleus in the cytoplasm of B. oxyrrhina. Alloplasmic plants, obtained in BC5 generation, were stably male sterile but mildly chlorotic during initial development. Synthetic alloploid B. oxyrrhina-campestris was also hybridized with B. juncea to transfer B. oxyrrhina cytoplasm. Segregation for green and chlorotic plants was observed in BC1 and BC2 generations. By selection, however, normal green male sterile B. juncea was obtained in BC3. Pollen abortion in both B. campestris and B. juncea is post-meiotic. © 1990 Springer-Verlag.

引用

页码：285 / 287

页数：3

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