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Acta Agron Sin ›› 2008, Vol. 34 ›› Issue (08): 1484-1488.doi: 10.3724/SP.J.1006.2008.01484

• RESEARCH NOTES • Previous Articles    

Genetic Diversity and Quality Difference of Systemic Selective Lines in Ningmai 13

ZHANG Ping-Ping1,MA Qing12,QIAN Cun-Ming1,MA Hong-Xiang1*   

  1. 1 Institute of Agricultural Biotecnology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, Jiangsu; 2 College of Bioscience and Biotech-nology, Yangzhou University, Yangzhou 225009, Jiangsu, China
  • Received:2007-12-21 Revised:1900-01-01 Online:2008-08-12 Published:2008-08-12
  • Contact: MA Hong-Xiang

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Abstract: Systemic selection is an effective method for wheat (Triticum aestivum L.) breeding. A set of 25 SSR primers located on 21 wheat chromosomes were used to investigate the genetic diversity of 65 lines derived from Ningmai 13. Simpson diversity index (Hi) ranged from 0 to 0.57 with an average of 0.08 per primer, which is a powerful evidence for systemic selection. Only 9 out of 25 were polymorphic primers. Nine lines originated from Ningmai 13 characterized with Pina-D1a/Pinb-D1b, and Pinb-D1b might come from natural cross. Horniness was significantly affected by environments, and horniness and hardness gene detection should be used in kernel quality selection together. Systemic selection should be useful for agriculture and quality character improvement.

Key words: Systemic selection, SSR markers, Genetic diversity, Quality

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