盐胁迫下喷施矮壮素和施用石膏对水稻产量及倒伏特性的影响

都晗萌, 陈雨琼, 刘若彤, 陈英龙, 戴其根, 张洪程, 廖萍

Effects of Chlormequat Chloride and Gypsum Application on Rice Yield and Lodging Risk under Salt Stress

Du Hanmeng, Chen Yuqiong, Liu Ruotong, Chen Yinglong, Dai Qigen, Zhang Hongcheng, Liao Ping

表3 盐胁迫下喷施矮壮素和施用石膏对水稻茎秆形态特征的影响

Table 3 Effects of spraying chlormequat chloride and gypsum application on the morphological traits of rice stems under salinity stress

处理 Treatment 株高 Plant height (cm) 重心高度 Gravity center height (cm) 节间长 Internode length (cm) 节间粗 Internode diameter (mm) 茎壁厚度 Stem wall thickness (mm) I1 I2 I3 I1 I2 I3 I1 I2 I3 对照CK 78.0b 36.8a 3.31b 8.14ab 11.60ab 5.25b 4.17b 4.02a 1.02a 0.73b 0.61a 矮壮素Chlormequat chloride 74.5c 32.9b 3.03c 7.68b 11.00b 5.70ab 4.81ab 4.41a 1.07a 0.83a 0.70a 石膏Gypsum 80.7a 38.7a 3.58a 8.56a 12.90a 5.87a 5.02a 4.54a 1.08a 0.82a 0.68a