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《》 1987-02
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POTENTIAL OF BREEDING MALE STERILES AT HIGH LEVELS OF OUTCROSSING

Cai Junmai and Li Weiming ( Fujian Agricultural college )  
This paper deals mainly with the following: 1.the important traits influencing the outcrossing of male steriles ( MS ) in rice; 2.the genetic variability and inheritance of the floral traits; 3.the correlations between the floral traits, and between the floral traits and the outcrossing of MS; 4.the approach and prospect of breeding MS lines at high levels of outcrossing. Compared with wild rice, MS lines have some characters favourable to outcrossing, such as complete male sterile, longer duration of spikelet opening; MS lines also have a few unfavourable factors, for instance, lower stigma exsertion, smaller size of stigmas, late flowering,incomplete exsered panicles, cleistogamy. The characters mentioned above are inherited. In general, the traits related to floral structure have greater heritability than those related to flowering behaviour. The latter traits are greatly affected by environmental factors.The genetic differences in the floraltr aits are apparent.The desirable floral plasm exists mainly in wild rice, and also in cultivars. There have not yet been reported the genetic effects of the floral traits on the outcrossing of male steriles and their relative importance. Marked phenotypic correlation has been found between outcrossing and stigma exsertion.The correlation between floral traits are also significant. Discussions have been made on the identification,peculiarity and possible utilization of four special materiales-multi-stigmas, unclosed spikelets after opening,two flowering peaks a day and long panicle necks (eui) . The paper concludes that the program of breeding male steriles at high levels of outerossing by improving the floral traits, especially pistil characters is feasible.
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 Li Weiming and Yang Rencui Dept. of Agronomy, FAC;GENETIC VARIABILITY AND CORRELATION IN FLORAL CHARACTERS OF BIG-STIGMA RICE[J];;1986-04
2 Yang Rencui Liang Kangjin Lu Haoran (Fujian Agricultural College Fuzhou Fujian Province);STUDY ON THE HERITABILITY AND CORRELATION OF MAJOR FLORAL CHARACTERS OF EARLY-RICE VARIETIES (O.SATIVA INDICA) IN CHINA[J];Scientia Agricultura Sinica;1986-01
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Wu Shuang et al (Rice Research Institute, AAAS, Hefei 230031);Heritable and Correlation Analysis of Several Restore Line's Floral Character[J];Journal of Anhui Agricultural Sciences;2003-02
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4 Wang Xiangming (College of Life Sciences, Wuhan University, Wuhan, China 430072);Significance of the genetic resources as viewed from the experience of rice breeding in China[J];AMINO ACIDS & BIOTIC RESOURCES;1999-04
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6 CAO Ying-ni1,2,LIANG Hui-zhen2,LI Wei-dong2,WANG Hui1(1.Northwest Science and Technology of Agriculture & Forestry University,Yangling 712100,China;2.Economic Crop Institute,Henan Academic of Agriculture Science,Zhenzhou,450002);CORRELATION ANALYSIS BETWEEN YIELD COMPONENT AND FLORAL CHARACTERS IN SOYBEAN[J];Soybean Science;2007-03
7 Li Weiming Cai Junmai Zhou Yuanchang (Dept.of Agronomy,FAC);THE GENETIC CORRELATIONS BETWEEN THE NATURAL OUTCROSSING AND FLORAL CHARACTERS OF MALE STERILES IN RICE——Ⅰ.Diallel Analysis[J];;1988-02
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9 WANG Zhong an, ZHANG Qing qi, YANG Ren cui (Institute of Genetics and Crop Breeding, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China);Effects of eui gene on improving outcrossing of CMS-lines[J];Journal of Fujian Agricultural University(Natural Science);2002-02
10 You Nianshun; Let Jiecheng; Huang Lixing; Zheng Xianghua;Zhu Xiongtao(Rice and wheat Research Institute, Fujian Academy of Agricutural,Science,Fuzhou 350019);Comparing Analysis of Endogenous IAA. GA(1+3+4+7) in Rice Male-sterile Line With All-Oplasm-Homokaryon[J];;1997-01
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 Luo Zhixiang et al (Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031);The Research of the Compatibility, Combining Ability and Heritability of Some Rice Sterile Lines[J];JOURNAL OF ANHUI AGRICULTURAL SCIENCES;1999-05
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7 WANG Zhong an, ZHANG Qing qi, YANG Ren cui (Institute of Genetics and Crop Breeding, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China);Effects of eui gene on improving outcrossing of CMS-lines[J];Journal of Fujian Agricultural University(Natural Science);2002-02
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1 Mo Huidong;The Analysis of Combining Ability in p×q Mating Pattern[J];;1982-03
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