四甲基戊二酸对夏玉米光合生产特征的调控效应

马正波, 董学瑞, 唐会会, 闫鹏, 卢霖, 王庆燕, 房孟颖, 王琦, 董志强

Effect of tetramethyl glutaric acid on summer maize photosynthesis characteristics

Zheng-Bo MA, Xue-Rui DONG, Hui-Hui TANG, Peng YAN, Lin LU, Qing-Yan WANG, Meng-Ying FANG, Qi WANG, Zhi-Qiang DONG

表1 2018-2019年TGA对2个品种玉米产量构成因素的影响

Table 1 Effects of TGA treatments on two variety of maize yield components in 2018 and 2019

品种 Variety 处理 Treatment 穗长 Ear length (cm) 秃尖长 Blade length (cm) 穗数 Ear number (m-2) 穗粒数 Kernel number (ear-1) 千粒重 Kernel weight (g) 产量 Yield (kg hm-2) 2018 京农科728 CK 15.5±0.7 a 2.3±0.4 a 68889 b 340.9±37.5 a 335.1±7.4 b 9159±264 b JNK728 TGA1 15.6±0.9 a 2.2±0.4 ab 68518 b 345.6±29.8 a 326.4±5.3 b 9173±326 b TGA2 15.9±0.7 a 1.8±0.8 c 71481 a 352.5±40.9 a 332.7±0.8 b 9899±171 a TGA3 16.0±1.1 a 2.4±0.6 a 68889 b 338.8±36.5 a 346.3±4.6 a 9609±354 ab TGA4 15.8±0.8 a 2.0±0.6 bc 71111 ab 358.6±26.8 a 333.7±1.9 b 9698±168 ab 中单909 CK 17.2±0.9 ab 0.8±0.7 a 69629 a 443.6±38.6 b 278.2±8.1 a 9715±172 b ZD909 TGA1 17.5±1.1 ab 0.5±0.5 a 69629 a 469.0±52.8 a 283.0±11.1 a 10,268±65 ab TGA2 17.8±1.0 a 0.5±0.5 a 69259 a 468.5±24.9 a 287.7±3.7 a 10,508±541 a TGA3 17.2±0.8 ab 0.8±0.8 a 68148 a 439.2±37.3 b 290.6±8.0 a 9969±345 ab TGA4 17.1±0.8 b 0.8±0.5 a 68889 a 428.3±37.4 b 291.7±3.7 a 9691±133 b 2019 京农科728 CK 17.8±1.3 b 2.6±0.7 a 67340 a 446.4±51.2 b 318.2±11.7 b 11,145±1493 b JNK728 TGA1 17.7±1.3 b 2.4±0.8 a 68080 a 448.8±51.3 b 340.9±7.0 a 11,921±336 ab TGA2 18.7±0.8 a 1.7±0.7 b 68450 a 481.1±46.2 a 337.5±4.8 a 12,852±193 a TGA3 18.3±1.1 ab 2.3±0.9 a 69190 a 465.8±50.0 ab 334.4±13.4 ab 12,274±318 ab TGA4 17.9±0.9 b 2.4±0.8 a 69930 a 445.6±46.2 b 338.5±9.2 a 11,968±404 ab 中单909 CK 18.8±0.8 ab 2.0±0.5 a 68080 a 496.9±38.3 b 314.0±0.5 c 11,434±200 b ZD909 TGA1 18.6±1.0 b 1.7±0.6 a 65860 a 503.5±38.2 a 330.1±1.3 a 12,330±345 a TGA2 19.2±0.7 a 1.9±0.4 a 67340 a 526.2±31.4 a 324.4±3.0 ab 12,488±187 a TGA3 18.6±1.0 b 1.8±0.7 a 67710 a 510.5±56.1 a 320.4±9.9 bc 12,134±446 a TGA4 19.0±0.7 ab 1.9±0.5 a 67340 a 502.5±43.2 a 318.0±2.7 bc 12,284±538 a