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5 茎秆抗倒伏指标与籽粒产量指标的相关分析（2018—2019）

Table 5 Correlation analysis of stem lodging resistance index and yield index (2018-2019)

生育时期 Growth stage 抗折力 Breaking strength 木质素积累量 Lignin accumulation 木质素单体含量Lignin monomer content S型 G型 S型+G型 籽粒产量 Yield 开花期Anthesis stage 0.66 0.86** 0.71* 0.69* 0.75* 灌浆期Filling stage 0.82** 0.92** 0.85** 0.82** 0.83** 成熟期Maturity stage 0.69** 0.91** 0.81** 0.75* 0.77*