聚糠萘合剂和乙矮合剂对小麦抗倒伏能力、产量与品质的影响

孙通, 杨玉双, 马瑞琦, 朱英杰, 常旭虹, 董志强, 赵广才

Effects of PASP-KT-NAA and Ethylene-Chlormequat-Potassium on the Lodging Resistance, Yield, and Quality of Wheat

Sun Tong, Yang Yushuang, Ma Ruiqi, Zhu Yingjie, Chang Xuhong, Dong Zhiqiang, Zhao Guangcai

表2 聚糠萘合剂和乙矮合剂对4个小麦品种倒5、倒4节抗倒性能的影响

Table 2 Effects of PKN and ECK on the lodging resistance of the fifth and fourth internode from the bottom of four wheat varieties

处理 Treatment 倒5节5th internode from the bottom 倒4节4th internode from the bottom 茎粗 Stem diameter (mm) 抗折力 Breaking resistance (N) 抗倒指数 Lodging resistance index 茎粗 Stem diameter (mm) 抗折力 Breaking resistance (N) 抗倒指数 Lodging resistance index 品种 Variety 中麦8号 3.66c 13.16a 0.43a 4.39c 5.53c 0.21b 轮选103 4.06a 9.68c 0.38c 4.60a 6.77b 0.30a 中麦86 3.71c 7.25d 0.24d 4.22d 4.29d 0.16c 衡观35 3.98b 10.94b 0.41b 4.52b 7.06a 0.30a 喷施次数 Spraying time 1 3.78b 9.96b 0.34b 4.31b 5.66b 0.22b 2 3.90a 10.46a 0.37a 4.50a 6.00a 0.25a 3 3.88a 10.36a 0.38a 4.49a 6.07a 0.26a 化控剂 Chemical regulator PKN 3.77b 10.17b 0.34b 4.30b 5.88b 0.22b ECK 3.99a 10.68a 0.41a 4.67a 6.23a 0.28a CK 3.79b 9.94b 0.34b 4.33b 5.62c 0.22b