弱光涝渍复合胁迫对夏玉米产量及光合特性的影响

于维祯,张晓驰,胡娟,邵靖宜,刘鹏,赵斌,任佰朝

Combined Effects of Shade and Waterlogging on Yield and Photosynthetic Characteristics of Summer Maize

YU WeiZhen,ZHANG XiaoChi,HU Juan,SHAO JingYi,LIU Peng,ZHAO Bin,REN BaiZhao

表1 遮阴、淹水及其复合处理对夏玉米产量及其构成因素的影响

Table 1 Effects of shading, waterlogging and their combined treatment on summer maize yield and its components

年份处理 Treatment 2018 2019 千粒重 1000-grain weight (g) 穗粒数 kernels per spike 公顷穗数 Ear number (ear) 产量 Yield (kg·hm-2) 千粒重 1000-grain weight (g) 穗粒数 kernels per spike 公顷穗数 Ear number (ear) 产量 Yield (kg·hm-2) CK 375ab 544a 67496 13770a 348a 496a 67496 13563a V3-W 377a 477e 65962 11897cd 308de 364g 62304 8114f V3-S 373abc 544a 65962 13386a 330b 480b 65850 12130b V3-S-W 381a 450f 64561 11094e 304e 325h 64122 7378g V6-W 365c 487d 64823 11528de 314d 375ef 62304 8538e V6-S 378a 528b 63063 12590b 326bc 474c 64121 11542c V6-S-W 373abc 464e 64741 11225e 314d 369fg 62292 8409ef VT-W 366bc 518c 64684 12267bc 321c 462d 65850 11397c VT-S 364c 518c 67496 12754b 326bc 372ef 64121 9051d VT-S-W 373abc 480de 64624 11587de 321c 376e 64121 9025d 显著性 Significant S ns ** - ** ** ** - ** W ns ** - ** ** ** - ** G ** ** - * ** ** - ** S×W ns ** - ns ** * - ** S×G ns ** - ns ns ** - ** W×G ns ** - * ** ** - ** S×W×G ns ** - ns ns ** - **