低氮条件下L-色氨酸对高粱生长发育的影响

李俊志, 王晓东, 窦爽, 辛宗绪, 吴宏生, 周宇飞, 肖继兵

Effects of L-Tryptophan on Growth and Development of Sorghum under Low Nitrogen Condition

Li Junzhi, Wang Xiaodong, Dou Shuang, Xin Zongxu, Wu Hongsheng, Zhou Yufei, Xiao Jibing

表3 施氮量及外源色氨酸对高粱产量及其构成因素的影响

Table 3 Effects of nitrogen application rate and exogenous tryptophan on yield and its components of sorghum

处理 Treatment 产量 Yield (kg/hm2) 千粒重 1000-grain weight (g) 穗粒数 Kernels per panicle 干物质积累量 Dry matter accumulation (kg/hm2) 收获指数 Harvest index (%) 施氮量N amount N1 9758.36b 22.38a 3.81a 21 439.19a 0.46a N2 10 510.21a 23.47a 4.08a 23 556.75a 0.45a 色氨酸Tryptophan Y1 9666.00b 21.87a 3.75b 21 758.74a 0.46a Y2 9850.71a 22.89a 3.89a 23 237.20a 0.45a