Somaclonal Male-Sterile Mutants and Their Expressions in Indica Rice

Q3 Agricultural and Biological Sciences

Chinese Journal of Rice Science Pub Date : 1990-01-01 DOI:10.1142/9789812814272_0031

D. Ling, C. Liang, Z. Ma, M. F. Chen, B. He

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引用次数: 4

Abstract

In past five years from 1984 to 1988, 48 cases of male sterile (ms) mutants in nine varieties were found, in which 30 cases belonged to R_1 generation and 28 to R_2 generation. The frequency of ms variation in R, generation was around 1% and 2% in R_2 generatiom. According to the characters of ms-mutants and their genetic expressions,pollen grain free(nuclear sterile) and abortive pollen (cytoplasmic genetic sterile) could be classified, In 1R54, two cases of pollen grain free ms-mutants were discovered similar in different generations (R_1 and R_2 generation) and different years (1985 and 1986) . Among ms-mutants of the abortive pollen type, one (54257) was found to be the cytoplasmic genetic male sterile mutant. Zheng-Shan 97, Er-Jiu-Ai,162-5 (a stable somaclonefrom IR52) and Gui-Chao 2 could maintain male sterility when crossed to the ms line (54257) . IR24, IR36, IR54,Shuang-Er-Zhan and others could restore its fertility. This result showed that "54257" was a cytoplasmic ms-mutant.This is the first sample that the cytoplasmic ms mutant could be induced by tissue culture in the world.

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体细胞无性系雄性不育突变体及其在籼稻中的表达

1984 ~ 1988年5年间共发现9个品种48例雄性不育突变体，其中R_1代30例，R_2代28例。R_2代ms变异频率为1%左右，R_2代为2%左右。根据ms-突变体的性状及其遗传表达，可将无花粉(核不育)和败育(细胞质遗传不育)分为两类。在1R54中，在不同世代(R_1代和R_2代)和不同年份(1985年和1986年)发现了2例无花粉ms-突变体。在败育花粉型的ms突变体中，发现了一个细胞质遗传雄性不育突变体(54257)。郑汕97、二久爱、162-5 (IR52的稳定体细胞无性系)和贵潮2号与ms系(54257)杂交后均能保持雄性不育。IR24、IR36、IR54、双二展等均能恢复其育性。结果表明，“54257”为细胞质ms突变体。这是国际上首次通过组织培养诱导细胞质ms突变体。

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来源期刊

Chinese Journal of Rice Science Agricultural and Biological Sciences-Plant Science

CiteScore

1.70

自引率

0.00%

发文量

2752

期刊介绍： Chinese Journal of Rice Science（CJRS）(ISSN 1001-7216), a bi-monthly journal published by China National Rice Research Institute, mainly publishes original research papers in fields of fundamental and applied fundamental scientific researches on rice, including genetics and breeding, germplasm resources, agronomy, bioengineering, plant protection, soil and plant nutrition, plant physiology, cereal chemistry and processing, agricultural economics and paddy field development, and agricultural engineering, etc. The journal also publishes reviews and experimental techniques. Articles are in Chinese with English abstract.