5个猕猴桃品种在汉中地区引种表现的综合评价

为筛选出适合汉中地区栽培的优良猕猴桃品种，对引进5个猕猴桃品种的物候期、生长结果习性、果实品质及抗病性等指标进行测定，并利用主成分分析法进行适应性综合评价。结果表明，不同猕猴桃品种的物候期、生长结果习性、果实品质及抗病性等存在差异。通过主成分分析，发现瑞玉的综合评价得分第一，农大郁香次之，说明这2个品种综合表现较好，适应能力较强；金红50 得分最低，说明其表现较差。研究结果可为今后猕猴桃品种更新换代奠定理论基础，为新品种的推广应用提供参考。

Comprehensive evaluation of the introduction performance of 5 kiwifruit varieties in the Hanzhong region

In order to screen out the excellent varieties suitable for cultivation in Hanzhong region, the related indicators of 5 introduced kiwifruit varieties were recorded and analyzed, including the phenological period, growth and fruiting habits, fruit quality and disease resistance. The adaptability was comprehensively evaluated using principal component analysis. The results showed that there were differences among different kiwifruit varieties in the measured indicates. The comprehensive evaluation score of Ruiyu was the highest, and Nongdayuxiang followed closely, indicating that the two kiwifruit varieties had better comprehensive performance and stronger adaptability. Meanwhile, Golden Red 50 was the lowest, indicating poor performance. The research results can lay a theoretical foundation for the future replacement of kiwifruit varieties and provide reference for the promotion and application of new varieties.