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Position: Home > Articles > Research progress on the breeding of japonica super rice varieties in Jiangsu Province, China Journal of Integrative Agriculture 2017,16 (5)

Research progress on the breeding of japonica super rice varieties in Jiangsu Province, China

作者：

Wang Cai-lin;Zhang Ya-dong;Zhu Zhen;Chen Tao;Zhao Qing-yong;Zhong Wei-gong;Yang Jie;Yao Shu;Zhou Li-hui;Zhao Ling;Li Yu-sheng

单位：

Jiangsu Acad Agr Sci, Inst Food Crops, Nanjing Branch, Chinese Natl Ctr Rice Improvement,Jiangsu High Qu, Nanjing 210014, Jiangsu, Peoples R China

关键词：

japonica super rice;eating quality;disease resistance;breeding strategy

摘要：

In this study we report the results of a decade-long breeding program for japonica super rice made by Nanjing Branch of Chinese National Center for Rice Improvement in Jiangsu Academy of Agricultural Sciences. We concluded that selection of parents with good comprehensive traits and complementary advantages and disadvantages of both parents in the hybrid combination, and early selection of high heritability traits in earlier segregating generations could significantly improve the breeding efficiency. The use of closely-linked functional markers in pyramiding of multiple genes could greatly increase breeding efficiency, avoiding time-consuming and laborious steps that were used in traditional breeding program. It is also important to coordinate the yield components with variety characteristics such as yield stability, wide adaptability, lodging resistance, and an attractive grain appearance during late growth stage of rice.

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Research progress on the breeding of japonica super rice varieties in Jiangsu Province, China

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