Application of DTOPSIS Method in Comprehensive Evaluation of Millet Regional Trials
The DTOPSIS method was used to comprehensively evaluate millet regional trials for 18 millet va-rieties(lines)in Henan Province in 2021,which provided a new approach for identifying and evaluating millet varieties(lines)in the regional trial.The results showed that the growth period,plant height,ear length,ear diameter,single ear weight,ear grain weight,grain yield,thousand-grain weight,and yield of millet were as-signed weight values of 0.050 0,0.050 0,0.050 0,0.050 0,0.100 0,0.050 0,0.050 0,0.100 0,and 0.500 0,respectively.The ranking calculated by the DTOPSIS method was different from the yield ranking.The top four millet varieties had no difference in the DTOPSIS ranking and yield ranking,though their specific order changed.Three millet varieties had consistent rankings in both DTOPSIS and yield evaluations,while other varie-ties showed differences.The DTOPSIS evaluation method can be effectively used for evaluating new millet varie-ties in regional trials.
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