[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(01):79-87.[doi:10.11942/j.issn1002-2767.2021.1.0079]
基于熵权的DTOPSIS法和灰色关联度分析法在西瓜品种综合评价中的应用
- 文献标志码:
- A
- 摘要:
- 为了给西瓜新品种鉴定和评价提供依据和方法,本研究将基于熵权的DTOPSIS法和灰色关联度分析法应用到西瓜品种的综合评价中。结果表明:通过调查单瓜重、果皮厚度、果实含糖量、外观质量、内在口感等8个指标,对18个西瓜品种进行分析评价,初步筛选出适宜昌乐及周边地区种植的品种为龙盛佳越、京美10K02和龙盛佳华。DTOPSIS法计算出品种间Ci值的最大差异达到65.07%,灰色关联度分析法中加权关联系数r′i值的最大差异仅为35.13%。相关性分析表明基于熵权的DTOPSIS法和灰色关联度分析法计算出的品种排名具有一致性,两者与仅依据单瓜重计算的排名均不具有一致性。研究认为,DTOPSIS法和灰色关联度分析法都能对西瓜品种作出科学的评价,其中DTOPSIS法具有相对更好的评价效果。
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备注/Memo
收稿日期:2020-10-26