Study on the drought Resistance Identification and Evaluation of Broomcorn Millet Selective Bred Varieties at Germinating Stage
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    Abstract:

    Abstract:Drought resistance at germinating stage of 56 Broomcorn Millet selective bred varieties from different province were identified using PEG-6000 treated, and drought resistance also were evaluated by direct and comprehensive assessment methods. The result showed that 56 varieties existed great differences in investigated traits and drought resistance between 20%(w/v) PEG-6000 treatment and CK. By two kinds of methods , three varieties with strong drought resistance have screened,namely Jinshu No.2, Longmi No.5, Longmi No.8. The result also showed that relative germination rate,relative shoot dry weight, relative root dry weight and storage matter relative transfer rate can be used as the main drought resistance identification indexes of broomcorn millet at germinating stage;Relative germination rate and weighted subordinate function value method are an ideal method of drought resistance evaluation at broomcorn millet germinating stage.

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History
  • Received:September 05,2013
  • Revised:January 15,2014
  • Adopted:June 09,2014
  • Online: June 10,2014
  • Published:
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