不同氮效率油菜种质苗期氮吸收转运与利用差异研究

秦璐, 王建强, 韩配配, 李银水, 顾炽明, 胡小加, 谢立华, 廖星

Difference in Nitrogen Absorption and Transportation and Utilization of Rapeseed Germplasms with Contrasting Nitrogen Efficiency

Qin Lu, Wang Jianqiang, Han Peipei, Li Yinshui, Gu Chiming, Hu Xiaojia, Xie Lihua, Liao Xing

表2 不同氮浓度处理下氮效率差异油菜种质生物量及根冠比比较

Table 2 Comparison of biomass and root-shoot ratio in rapeseed germplasms with contrasting N efficiency at different N levels

种质编号 Germplasm number 处理 Treatment 地上部干重 Shoot dry weight (g) 根干重 Root dry weight (g) 生物量 Biomass dry weight (g) 根冠比 Ratio of root to shoot H6 CK 0.232±0.022a 0.036±0.003a 0.269±0.024a 0.158±0.010c LN 0.080±0.016b 0.033±0.003a 0.114±0.018b 0.425±0.009b LN/CK 0.34 0.92 0.42 2.69 L18 CK 0.224±0.018a 0.033±0.003a 0.257±0.020a 0.155±0.009c LN 0.035±0.015c 0.019±0.003b 0.055±0.017c 0.541±0.010a LN/CK 0.16 0.58 0.21 3.49