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3 遮阴、淹水及其复合处理对干物质的分配的影响

Table 3 Effects of shading, waterlogging and their combined treatment on dry matter distribution

年份 Year 处理 Treatment 茎 Stem 叶 Leaf 粒 Grain 轴 Spike axis 单株 Total dry matter (g/plant) 干重 Dry matter (g/plant) 比例 Proportion (%) 干重 Dry matter (g/plant) 比例 Proportion (%) 干重 Dry matter (g/plant) 比例 Proportion (%) 干重 Dry matter (g/plant) 比例 Proportion (%) 2018 CK 71.0ab 21.8% 37.0bc 11.4% 199.0a 61.1% 18.0b 5.5% 325.5a V3-W 73.0ab 26.7% 44.7ab 16.4% 135.0d 49.3% 21.0ab 7.7% 273.7d V3-S 68.0b 21.9% 39.6bc 12.7% 186.0ab 59.8% 17.5b 5.6% 311.1a V3-S-W 75.0a 27.5% 42.2b 15.5% 132.0d 48.5% 23.0a 8.4% 272.2d V6-W 66.8b 23.8% 45.4ab 16.5% 150.4c 53.0% 19.0b 6.7% 283.6cd V6-S 65.0b 21.3% 41.6bc 13.7% 180.3b 59.2% 17.7b 5.8% 304.6bc V6-S-W 66.2b 23.7% 52.7a 18.9% 141.0d 50.5% 19.5b 7.0% 279.3d VT-W 70.5b 23.6% 32.2c 10.8% 175.0b 58.7% 20.5ab 6.9% 298.2c VT-S 69.5b 24.0% 39.4bc 13.6% 161.0c 55.6% 19.8b 6.8% 289.7c VT-S-W 69.9b 24.4% 36.6bc 12.8% 159.0c 55.5% 20.8ab 7.3% 286.3cd 2019 CK 76.7a 21.4% 36.9a 10.3% 202.4a 59.8% 22.6a 6.7% 338.6a V3-W 46.5f 24.9% 25.3de 13.6% 97.5de 52.3% 17.6c 9.4% 186.5f V3-S 62.0c 21.2% 32.9ab 11.2% 174.8b 59.8% 22.7a 7.8% 292.5c V3-S-W 54.2e 30.9% 21.6e 12.3% 96.2e 49.1% 13.5d 7.7% 185.4g V6-W 64.2c 29.9% 28.1cd 13.1% 105.7d 49.2% 16.7bc 9.6% 214.7e V6-S 71.2b 24.5% 31.8bc 10.9% 167.7b 57.7% 20.1bc 6.9% 290.8c V6-S-W 58.2d 27.5% 27.4cd 13.0% 105.9d 50.9% 10.2d 7.2% 211.4e VT-W 72.2b 23.9% 37.9a 12.5% 167.9b 55.5% 24.7a 8.2% 302.7b VT-S 76.5a 28.5% 37.0a 13.8% 132.8c 49.5% 22.1ab 8.2% 268.4d VT-S-W 74.1ab 28.0% 37.4a 14.1% 132.4c 50.1% 20.5bc 7.8% 264.4d