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Acta Agron Sin ›› 1990, Vol. 16 ›› Issue (02): 112-122.

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A Preliminary Study on the Critical-Daylength Evoking the Photoperiodic Sensitive Male Sterility of Rice and Their Responses to Other Environmental Factors

Xue Guangxing; Zhao Jianzhong   

  1. Institute of Crop Breeding and Cultivation; CAAS; Beijing
  • Received:1989-06-12 Revised:1989-10-02 Online:1990-04-12 Published:1990-04-12

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Abstract: The study revealed that there were two different critical-daylength values evoking thephotoperiodic sensitive male sterility of rice.One of them was the minimum daylengthcausing evident abortion,while the other was that leading to nearly complete male sterility.There was a discrepancy of about 1 hou

Key words: Male sterility of rice, Critical-daylength, Effect of environment-temperature, Interaction of daylength×temperature

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