Analysis of Heterosis in Inter-subspecific Hybrids F1 Among Different Types of Rice

Abstract

Abstract: Five types of rice, early season indica rice (EI), medium season indica rice (MI), early season japonica rice (EJ), medium season japonica rice (MJ), late season japonica rice (LJ), were used to make five sets of incomplete diallel crosses including EI/EJ, EI/MJ, EI/LJ, MI/MJ, MI/LJ. The results of heterosis analysis showed that stronger degree of heterosis over both mid-and better-parent based on population means in plant height, flag leaf length, panicle length, spikelet number of main panicle. The predicted genotype values of F₁ hybrids showed that EI/LJ and MI/LJ plants were too high and heading too late, but EI/EJ heading too early and panicle too small, and MI/MJ and EI/MJ showed better agronomic characters than others. Analysis of dominant correlation of traits revealed positive correlations among plant height, days to heading, flag leaf length, main panicle length and spikelet number of main panicle.

Key words: dominant correlation, heterosis, indica/japonica hybrid, predicted genotype value

摘要： 对早籼／早粳、早籼／中粳、早籼／晚粳、中籼／中粳和中籼／晚粳五种配组方式不完全双列杂交的杂种优势分析表明，株高、剑叶长、主穗长和主穗总粒数等性状的群体平均优势和群体超亲优势较强，Ｆ１性状平均基因型值预测认为，早籼／晚粳和中籼／晚粳杂种株高过高和抽穗偏迟，早籼／早粳配组生育期过短和穗小粒少，综合性状以中籼／中粳和早籼／中粳方式较为优良。Ｆ１性状间显性相关分析表明五种配组方式在株高、抽穗天数、剑叶长、主穗长和主穗总粒数五个性状间均存在显著的正相关，籼粳杂种表现的德大粒多同时伴有植株偏高、抽穗延迟和剑叶过披等倾向，但这种关联性在早籼／早粳或中籼／中粳配组中程度相对较低。

关键词: 籼粳交, 杂种优势, 基因型值预测, 显性相关

Shen Shengquan,Xue Qingzhong. Analysis of Heterosis in Inter-subspecific Hybrids F1 Among Different Types of Rice[J]. Chinese Journal of Rice Science.

沈圣泉, 薛庆中. 不同光温反应型配组的籼粳交F₁杂种优势的研究[J]. 中国水稻科学.

[1]	WANG Zhiquan1,2, JIANG Ling1, YIN Changbin3, WANG Xiaoling2, LEI Jianguo2, XIAO Yulong2, LIU Xi1, LIU Shijia1, CHEN Liangming1, YU Chuanyuan2, WAN Jianmin1，3，*. QTL Mapping of Heterotic Loci of Yieldrelated Traits in Rice [J]. Chinese Journal of Rice Science, 2013, 27(6): 569-576.
[2]	LIU Hongmei, LIU Jianfeng*, FAN Fengfeng, QIU Yingbo, XU Qingguo. Heterotic and Combining Ability Analyses of Starch Viscosity Properties in Hybrid Rice [J]. Chinese Journal of Rice Science, 2013, 27(2): 203-208.
[3]	LIN Jianrong, SONG Xinwei, WU Mingguo*. Biological Characteristics and Heterosis Utilization of Four indicajaponica Intermediate Type Restorer Lines with Wide Compatibility [J]. Chinese Journal of Rice Science, 2012, 26(6): 656-662.
[4]	CHEN Shen-guang,CAO Li-yong,SI Hua-min,CHENG Shi-hua*. Subspecific Differentiation of Male Sterile Lines of Rice Derived from Indica/Japonica Cross and Heterosis Performance of the F1 Hybrids [J]. Chinese Journal of Rice Science, 2010, 24(6): 667-671 .
[5]	MENG Jie,WANG Ren-min*,WAN Ji-li,FU Li-cheng . Responses of Seedling Growth and Antioxidase Activities of Different Zinc Efficient Rice Genotypes and Their F1 Hybrids to Zn²⁺ Activities [J]. Chinese Journal of Rice Science, 2010, 24(3): 289-296 .
[6]	ZHANG Tao,#,NI Xian-lin,#,JIANG Kai-feng,YANG Qian-hua,YANG Li,WAN Xian-qi,CAO Ying-jiang,ZHENG Jia-kui, . Correlation Between Genetic Distance Based on Molecular Markers of Functional Genes and Heterosis in Rice [J]. Chinese Journal of Rice Science, 2009, 23(6): 567-572 .
[7]	ZHAO Qingyong ,ZHU Zhen ,ZHANG Yadong ,ZHAO Ling ,CHEN Tao ,ZHANG Qiaofeng ,WANG Cailin . Analysis on Correlation Between Heterosis and Genetic Distance Based on Simple Sequence Repeat Markers in japonica Rice [J]. Chinese Journal of Rice Science, 2009, 23(2): 141-141～147 .
[8]	PENG Tao,ZHONG Bing-qiang,LING Ying-hua,YANG Zheng-lin,ZHA Ren-ming,XIE Rong,LIU Cheng-yuan,HE Guang-hua. Developmental Genetic Analysis for Plant Height in indica Hybrid Rice Across Environments [J]. Chinese Journal of Rice Science, 2008, 22(2): 148-154 .
[9]	ZHAO Qing-yong ,ZHU Zhen ,ZHANG Ya-dong ,ZHAO Ling ,ZHANG Qiao-feng ,XU Ling ,WANG Cai-lin. Combining Ability and Utilization of Twelve New Male Sterile Lines in japonica Hybrid Rice [J]. Chinese Journal of Rice Science, 2008, 22(1): 57-64 .
[10]	LING Ying-hua ,YANG Zheng-lin ,ZHONG Bing-qiang ,ZHAO Fang-ming ,ZHA Ren-ming ,XIE Rong ,HE Guang-hua. Genetic Analysis on Characters of Functional Leaves in Rice [J]. Chinese Journal of Rice Science, 2008, 22(1): 45-50 .
[11]	ZHAO Yan-hong ,ZHU Jun ,XU Hai-ming ,YANG Jian ,GAO Yong-ming ,SONG You-sheng ,SHI Chun-hai ,XING Yong-zhong . Predicting Heterosis of Effective Panicle Number per Plant Based on QTL Mapping in Rice [J]. Chinese Journal of Rice Science, 2007, 21(4): 350-354 .
[12]	MA Rong-rong ,XU De-hai ,WANG Xiao-yan ,YU Sheng-miao ,JIN Qian-yu ,OUYANG You-nan ,ZHU Lian-feng. Heterosis on Plant Morphology of Yongyou 6,an indica-japonica Inter-subspecific Super High-Yielding Hybrid Rice [J]. Chinese Journal of Rice Science, 2007, 21(3): 281-286 .
[13]	LI Ji-hang ,XIANG Xun-chao ,HE Li-bin ,ZHANG Kai-zheng ,LI Ping. Photosynthetic Characteristics and Heterosis in Transgenic Hybrid Rice with Maize Phosphoenolpyruvate Carboxylase Gene (pepc) [J]. Chinese Journal of Rice Science, 2006, 20(5): 499-504 .
[14]	CHENG Shi-hua ,CAO Li-yong ,CHEN Shen-guang ,ZHU De-feng ,WANG Xi ,MIN Shao-kai ,ZHAI Hu-qu. Conception of Late-Stage Vigor Super Hybrid Rice and Its Biological Significance [J]. Chinese Journal of Rice Science, 2005, 19(3): 280-284 .
[15]	Jin Zheng-xun,Jiang Wen-zhu,Chin Choong-hyoun,Kon Hee-jong. Analysis on Genetic Distance Based on RAPD Marker as Related to the Taste Meter and RVA Properties in indica Rice Hybrids [J]. Chinese Journal of Rice Science, 2005, 19(1): 29-35 .