基于主成分-聚类分析的不同水分冬小麦晚霜冻害评价

王洋洋, 贺利, 任德超, 段剑钊, 胡新, 刘万代, 郭天财, 王永华, 冯伟

Evaluations of winter wheat late frost damage under different water based on principal component-cluster analysis

WANG Yang-Yang, HE Li, REN De-Chao, DUAN Jian-Zhao, HU Xin, LIU Wan-Dai, GU Tian-Cai, WANG Yong-Hua, FENG Wei

图1 低温胁迫对冬小麦叶片含水量及叶绿素a含量的影响 W0: 不灌水处理; W1: 灌水处理。

Fig. 1 Effects of low temperature stress on leaf water content and chlorophyll a content in winter wheat W0: without irrigation treatments; W1: irrigation treatments. T1: -2℃; T2: -4℃; T3: -6℃; T4: -8℃; T5: -10℃; CK: 11℃/5℃ in 2018, and 22℃/8℃ in 2019.