高温干旱复合胁迫对夏玉米产量和茎秆显微结构的影响

邵靖宜,李小凡,于维祯,刘鹏,赵斌,张吉旺,任佰朝

Combined Effects of High Temperature and Drought on Yield and Stem Microstructure of Summer Maize

SHAO JingYi,LI XiaoFan,YU WeiZhen,LIU Peng,ZHAO Bin,ZHANG JiWang,REN BaiZhao

表1 高温干旱对夏玉米产量及其构成因素的影响

Table 1 Effects of high temperature and drought on summer maize yield and its components

年份 Year 处理 Treatment 穗粒数 Grains per ear 千粒重 1000-grain weight (g) 产量 Yield (kg·hm-2) 2019 CK 671.3a 362.0a 18808.2a T 261.0c 351.2c 7425.0c D 507.3b 366.0a 15499.4b T+D 268.0c 334.0d 6095.3d 2020 CK 687.0a 338.9a 18272.3a T 252.7c 314.2c 6237.2c D 640.7b 331.7b 16678.6b T+D 220.0c 295.3d 4419.4d