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4 高温干旱对夏玉米成熟期干物质积累与分配的影响

Table 4 The effect of high temperature and drought on dry matter accumulation and distribution of summer maize at the maturity stage

年份 Year 处理 Treatment 茎Stem 叶Leaf 轴Cob 籽粒Grain 总干重 Total dry matter （g/plant） (g/plant) (%) (g/plant) (%) (g/plant) (%) (g/plant) (%) 2019 CK 139.4c 31.7c 47.5a 10.8b 32.2c 7.3d 221.1a 50.2a 440.2a T 159.5a 39.4a 39.0b 9.6c 38.4a 9.5b 168.1c 41.5c 405.1c D 152.0b 36.1b 39.9b 9.5c 35.2b 8.4c 193.6b 46.0b 420.7b T+D 132.6d 36.3b 46.6a 12.8a 40.6a 11.1a 145.1d 39.8d 364.9d 2020 CK 178.8b 38.8c 61.0a 13.1c 44.4a 8.9b 186.2a 39.8a 467.4a T 183.1a 57.2b 59.5c 18.6b 39.7b 12.4a 37.8c 11.8c 320.1c D 171.4d 38.9c 60.1b 13.6c 39.5b 9.0b 169.4b 38.5b 440.4b T+D 176.9c 59.2a 59.4c 19.9a 36.1c 12.1a 26.4d 8.8d 298.8d