增温增CO2浓度对玉米||花生体系玉米生长发育及产量的影响

王飞, 郭彬彬, 孙增光, 尹飞, 刘领, 焦念元, 付国占

Effects of elevated temperature and CO2 concentration on growth and yield of maize under intercropping with peanut

WANG Fei, GUO Bin-Bin, SUN Zeng-Guang, YIN Fei, LIU Ling, JIAO Nian-Yuan, FU Guo-Zhan

表4 增温和增温增CO2浓度对间作玉米产量及其构成的影响

Table 4 Effects of elevated temperature and CO2 concentration on yield and the components of maize under intercropping with peanut

年份 Year 磷水平 P-level 处理 Treatment 穗部性状Ear traits 产量及构成Yield and the components 穗长 Ear length (cm) 秃尖长 Bare tip length (cm) 穗行数 Ear row per ear 行粒数 Grains per row 产量 Yield (kg hm-2) 穗粒数 Grains per ear 百粒重 100-grain weight (g) 穗数 Spikes per hm2 2018 P0 TC 15.1 b 1.82 a 16.8 a 27.5 c 4725 c 463 b 21.7 c 49,128 +T+C 15.5 b 1.73 a 17.0 a 28.5 bc 4933 c 484 b 22.1 c 49,118 P180 TC 16.3 a 1.04 b 17.7 a 30.3 ab 5867 b 537 a 23.1 b 49,297 +T+C 16.8 a 1.00 b 17.9 a 31.3 a 6292 a 559 a 24.3 a 49,320 2019 P0 TC 11.1 d 2.03 a 15.8 c 19.3 d 3910 f 305 d 24.0 e 49,341 +TC 12.9 c 1.91 a 16.5 abc 25.5 c 5008 e 421 c 25.5 d 49,649 +T+C 14.4 b 1.43 b 16.4 bc 30.8 b 5943 d 505 b 27.4 bc 49,950 P180 TC 14.4 b 0.86 c 16.7 ab 31.2 b 6539 c 522 b 26.3 cd 49,630 +TC 15.4 a 0.47 c 17.3 a 32.0 ab 7793 b 555 ab 28.4 ab 49,642 +T+C 15.8 a 0.46 c 17.3 a 35.1 a 8203 a 609 a 29.8 a 49,670