Scientia Agricultura Sinica ›› 2005, Vol. 38 ›› Issue (02): 222-227 .doi: 10.3864/j.issn.0578-1752.at-2004-2205

• CROP GENETICS & BREEDING·GERMPLASM RESOURCES • Previous Articles     Next Articles

Effect of Temperature on the eui Gene Expression of TGMS Rice

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  1. 湖南师范大学生命科学学院
  • Received:2004-03-16 Revised:2004-11-26 Online:2005-02-10 Published:2005-02-10

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Abstract: Effect of temperature on the eui gene expression of TGMS rice Changxuan 3S were analyzed under the condition of natural ecology and different artificial temperature. The results were as following: There was a negative correlation between panicle elongation and natural temperature at 9-20 days before flowering, and the negative correlation of the panicle elongation with mean diurnal temperature at 12-17 days (from pollen mother cell formation to meiosis) before flowering was the most significant. In the thermo-sensitive period of the eui gene, when Changxuan 3S was treated with the condition of constant 22℃,24℃,26℃,28℃, the eui gene could express under the treatment of 22℃, 24℃, 26℃, respectively, and the lower the temperature treated, the longer the panicle elongation was, while the expression of the eui gene was inhibited at temperature 28℃.

Key words: Rice (Oryza sativa L.), Thermo-sensitive genic male sterile (TGMS), Elongated uppermost internode (eui), Temperature, Correlation

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