秸秆还田量对不同基因型夏玉米产量及干物质转运的影响

穆心愿,赵霞,谷利敏,冀保毅,丁勇,张凤启,张君,齐建双,马智艳,夏来坤,唐保军

Effects of Straw Returning Amount on Grain Yield, Dry Matter Accumulation and Transfer in Summer Maize with Different Genotypes

XinYuan MU,Xia ZHAO,LiMin GU,BaoYi JI,Yong DING,FengQi ZHANG,Jun ZHANG,JianShuang QI,ZhiYan MA,LaiKun XIA,BaoJun TANG

表3 秸秆还田量对不同基因型夏玉米干物质积累量的影响

Table 3 Dry matter accumulation as affected by the summer maize genotypes and straw returning amount

基因型 Genotype 秸秆还田量 Straw returning amount 开花期 Anthesis stage (g/plant) 成熟期 Maturity stage (g/plant) 叶片 Leaf 茎鞘 Stem+sheath 穗 Ear 总重 Total 叶片 Leaf 茎鞘 Stem+sheath 苞轴 Cob+husk 籽粒 Grain 总重 Total 浚单20 XD20 S0 36.3±1.8a 41.2±2.1a 8.6±0.6b 86.1±4.5b 22.2±3.2ab 40.2±1.4ab 19.4±1.2b 118.7±1.3b 200.5±0.5b S1 40.9±2.0a 51.9±3.9a 12.7±1.2a 105.5±6.1a 28.3±1.7a 49.9±4.8a 26.7±3.1a 157.1±14.4a 261.9±23.4a S2 41.2±0.9a 49.2±3.3a 11.1±1.3ab 101.5±4.9ab 27.4±1.8ab 47.0±2.5ab 24.2±3.3ab 143.3±7.0ab 241.9±11.7a S3 42.0±2.5a 52.0±6.6a 10.0±1.4b 103.9±9.4ab 20.5±1.7b 37.6±2.6b 20.2±1.6b 122.9±7.9b 201.1±11.7b 均值 Mean 40.1 48.6 10.9 99.3 24.6 43.7 22.4 135.5 226.4 郑单958 ZD958 S0 34.0±1.4c 43.1±2.9c 6.7±0.1a 83.8±3.0b 30.8±2.3a 41.6±2.9b 26.7±1.9a 130.1±12.0b 229.2±13.2b S1 35.5±1.7bc 44.3±4.5bc 7.8±0.8a 87.6±6.0b 31.6±2.1a 42.0±5.8b 29.1±2.5a 144.3±2.0ab 247.0±11.7b S2 39.9±1.2ab 56.4±3.0ab 8.8±1.2a 105.2±1.8a 37.0±2.5a 55.4±2.7a 32.6±0.7a 164.0±3.0a 289.0±1.8a S3 42.2±0.5a 60.0±1.3a 9.6±0.7a 111.8±1.2a 36.6±2.1a 51.0±0.6ab 28.5±1.9a 160.5±2.8a 276.6±4.6a 均值 Mean 37.9 51.0 8.2 97.1 34.0 47.5 29.2 149.7 260.5 方差分析 ANOVA (F-value) G 2.83 0.82 14.22** 0.34 36.09** 2.71 19.63** 4.52* 13.53** S 6.16** 4.94** 3.83* 6.87** 2.30 3.38* 3.14* 5.00* 6.02** G×S 1.36 2.05 2.60 2.77 2.82 3.93* 0.98 5.31* 6.07**