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Acta Agron Sin ›› 1992, Vol. 18 ›› Issue (06): 447-452.

• ORIGINAL PAPERS • Previous Articles     Next Articles

Study on Crosses and Backcrosses of Common Wheat(Triticum aestivum)Mutants ph1b、ph2a、ph2b with Rye (Secale cereale)

Ye Xingguo;Fan Lu;Han Jinghua   

  1. Institute of Crop Breeding and Cultivation,CAAS
  • Received:1991-03-02 Revised:1992-01-02 Online:1992-11-12 Published:1992-11-12

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Abstract: ‘Gan Su’rye was crossed with ‘Chinese Spring’mutants ph1b、ph2a、ph2b andwith ‘Chinese Spring’ as the control. The seed sets were 94.0%、87.9%、93.8% and90.8%, respectively, indicating no significant difference among them. Chiasma fre-quencies of the F_1 hybrids at meiotic metaphase I were 9.7

Key words: ph lines, S. cereale, Homoeologous pairing, Chiasma frequency, Backcross

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