不同春季追氮模式对小麦茎秆抗倒性能及木质素积累的影响

董荷荷,骆永丽,李文倩,王元元,张秋霞,陈金,金敏,李勇,王振林

Effects of Different Spring Nitrogen Topdressing Modes on Lodging Resistance and Lignin Accumulation of Winter Wheat

DONG HeHe,LUO YongLi,LI WenQian,WANG YuanYuan,ZHANG QiuXia,CHEN Jin,JIN Min,LI Yong,WANG ZhenLin

表4 不同春季追氮模式对不同抗倒伏能力小麦籽粒产量的影响

Table 4 Effects of wheat grain yield of different lodging resistance cultivars under different spring nitrogen topdressing modes

年份 Year 品种 Cultivar 处理 Treatment 穗数 Spike number (×104·hm-2) 穗粒数 Grain number per spikes 千粒重 1000-grain weight (g) 籽粒产量 Grain yield (kg·hm-2) 2017-2018 SN16 CK 662ab 37.11ab 40.89b 7833.4c TI 688a 38.46a 42.08ab 8387.1a T2 652ab 35.47b 41.26b 8066.3b T3 628b 38.07ab 44.89a 7997.3bc JM22 CK 691a 36.10a 41.78c 8336.8bc TI 710a 37.79a 45.02ab 9136.4a T2 678a 35.47a 43.82bc 8602.8b T3 659a 35.88a 45.67a 8107.8c 2018-2019 SN16 CK 719b 39.35a 44.30b 8035.0c TI 756a 39.60a 45.39a 8667.5a T2 690bc 38.56a 44.60b 8273.9b T3 671c 39.40a 45.55a 8168.4bc JM22 CK 747b 42.45ab 45.91b 8630.6bc TI 775a 42.73a 46.92a 9523.7a T2 716c 37.79c 46.06b 8904.9b T3 694c 40.26b 46.86a 8466.8c