GENETICS OF FERTILITY RESTORATION OF WILD ABORTIVE CYTOPLASMIC MALE-STERILITY IN RICE, ORYZA-SATIVA L

被引：31

作者：

BHARAJ, TS ^{[1
]}

BAINS, SS ^{[1
]}

SIDHU, GS ^{[1
]}

GAGNEJA, MR ^{[1
]}

机构：

[1] PUNJAB AGR UNIV,RICE RES STN,KAPURTHALA 144601,PUNJAB,INDIA

来源：

EUPHYTICA | 1991年 / 56卷 / 03期

关键词：

ORYZA-SATIVA; RICE; MALE FERTILITY RESTORATION; GENETICS; CYTOPLASMIC MALE STERILITY; EPISTASIS;

D O I：

10.1007/BF00042364

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Genetics of fertility restoration 2 in six varieties and breeding lines of rice was studied in 'Wild Abortive' cytoplasmic genetic male sterility system using cytoplasmic male sterile lines V 20 A and IR 54752 A. Fertility evaluation of the plants in F2 and testcross populations of the crosses of V 20 A with PR 103, PR 106 and PAU 502-94-1, and IR 54752 A with PAU 1124-36-1 and PAU 1126-1-1 revealed that fertility restoration in PR 103, PR 106, PAU 502-94-1, PAU 1124-36-1 and PAU 1126-1-1 was controlled by two independently segregating dominant genes. The two genes appeared to have additive effects, one of them being stronger than the other in imparting fertility restoration. Data on spikelet fertility of the plants in F, and testcross populations of V 20 A/UPR 82-1-1 cross showed that fertility restoration in UPR 82-1-1 was controlled by two independently segregating dominant genes which exhibited recessive epistatic interaction.

引用

页码：199 / 203

页数：5

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