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2 盐胁迫下喷施矮壮素和施用石膏对水稻茎秆力学特征的影响

Table 2 Effects of spraying chlormequat chloride and gypsum application on the mechanical traits of rice stems under salinity stress

处理 Treatment 抗折力Breaking resistance (g) 弯曲力矩Bending moment (cm·g) 倒伏指数Lodging index (cm·g/g) I1 I2 I3 I1 I2 I3 I1 I2 I3 对照CK 45.5b 31.9b 26.4a 636a 546a 422a 14.0a 17.1a 16.0a 矮壮素Chlormequat chloride 55.7a 36.0a 27.9a 525b 467b 346b 9.5c 13.0b 12.4b 石膏Gypsum 59.5a 35.7a 27.3a 665a 587a 450a 11.2b 16.4a 16.5a