文献类型： 外文期刊
作者： Yang, Cheng 1 ; Wang, Rongkun 1 ; Tian, Cheng 1 ; Zhang, Deqi 1 ; Cheng, Hongjian 1 ; Li, Xiangdong 1 ; Fang, Baoting 1 ; Jin, Haiyang 1 ; Song, Hang 1 ; Tian, Baoming 2 ; Wei, Fang 2 ; Yan, Ge 1 ;
作者机构： 1.Zhengzhou Univ, Wheat Res Inst, Henan Acad Agr Sci, Postgrad T&R Base, Zhengzhou 450002, Peoples R China
2.Zhengzhou Univ, Sch Agr Sci, Zhengzhou 450052, Peoples R China
关键词： cluster analysis; deep sowing; principal component analysis; seed germination; wheat; variety
期刊名称：AGRONOMY-BASEL （ 影响因子：3.4； 五年影响因子：3.8 ）
ISSN：
年卷期： 2025 年 15 卷 6 期
页码：
收录情况： SCI
摘要： Appropriate deep sowing holds significant potential in enhancing wheat production, particularly in dry and low-rainfall regions. Henan Province is a major winter wheat-producing area in China; evaluating the adaptability of wheat varieties to deep sowing through scientific methods is crucial to improve wheat production. This study investigates 26 wheat cultivars in Henan. By assessing key traits of seeds and seedlings at various sowing depths, we analyzed the effects of sowing depth on seed germination and seedlings. A comprehensive index for deep sowing tolerance was established using principal component analysis (PCA) and the membership function method, followed by the classification of the varieties according to their tolerance to deep sowing. The results indicated that, with increased sowing depth, seedling emergence time, coleoptile length, and coleoptile internode length increased, while seedling emergence rate, seedling height, leaf area, and shoot dry weight per unit area decreased. Based on PCA and membership function values, the 26 wheat varieties were classified into three categories: deep sowing tolerant, moderately tolerant, and intolerant, comprising 3, 19, and 4 varieties. This study provides valuable insights for optimizing wheat variety selection and improving sowing practices in Henan Province, offering both theoretical and practical contributions to local wheat production.
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