氮素穗肥施用期对一季籼粳杂交稻氮肥效率、产量和品质的影响

乐丽红, 刘凯丽, 陈忠平, 王斌强, 唐舟, 程飞虎, 张昆

Effects of Application Time of N Fertilizer at Panicle Differentiation Stage on the Nitrogen Use Efficiencies, Yield and Quality of One-Season Indica-Japonica Hybrid Rice

Le Lihong, Liu Kaili, Chen Zhongping, Wang Binqiang, Tang Zhou, Cheng Feihu, Zhang Kun

表6 产量与稻米品质相关性分析（2019年）

Table 6 Correlation analysis between yield and rice quality in 2019

相关指标 Related index 精米率 Milled rice rate 整精米率 Head rice rate 粒长 Grain length 粒型长/宽比 Grain length and width ratio 垩白粒率 Chalkiness rate 垩白度 Chalkiness 直链淀粉 Amylose content 胶稠度 Gel consistency 碱消值 Setback Pearson相关性Pearson correlation 0.277 0.042 -0.039 0.338 0.639** 0.613** -0.052 0.310 0.494** 显著性（双侧）Significance (bilateral) 0.139 0.826 0.837 0.067 0.000 0.000 0.784 0.095 0.006 N 30 30 30 30 30 30 30 30 30