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以1998年江苏省甘薯品种区试材料为例,初步探讨了DTOPSIS法综合评价农作物品种稳定性的方法和步骤。结果表明:DTOPSIS法能将各品种各性状指标归纳为统一的量化综合评价指标,这个指标可以全面地反映参试品种的稳定性程度,比单用产量进行统计分析更为合理;并进一步讨论了DTOPSIS法在遗传育种中的应用。
Taking the district test materials of sweet potato varieties in Jiangsu Province for example, the methods and steps for evaluating the stability of crop varieties comprehensively by DTOPSIS method were discussed preliminarily. The results showed that: DTOPSIS method can summarize the traits of each trait as a unified quantitative evaluation index, which can reflect the stability of the tested varieties comprehensively, which is more reasonable than single-output statistical analysis; and further discusses Application of DTOPSIS in Genetics and Breeding.