Response Regularity of Wild Soybean to Photoperiod and Temperature in Natural Environment
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    Abstract:

    Wild soybean(Glycine soja)is distributed widely in China, providing us enough characteristics appearances to realize the regularity of wild soybean in natural environment. According to the investigation of photoperiod and temperature effects on different developing stages of wild soybeans growing naturally from 29 latitude areas, we recognized that, in natural conditions, the germination temperature for soybean was13.1-14.7℃,florescence temperature required 20.5-26.5℃,temperature for mature period required 10.0-19.0℃. The critical photoperiod for flowering was from 13 hours and 15 minutes to 16 hours and 40 minutes. For the seeds from low latitude areas, the earlier they germinated. The later they would flower and mature, For the seeds from high attitude areas, the later they germinated, the earlier they would flower and mature.

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History
  • Received:April 28,2011
  • Revised:May 30,2011
  • Adopted:May 31,2011
  • Online: July 22,2011
  • Published:
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