氮密调控对两个冬小麦品种碳氮代谢及产量的影响

王金凤,王壮壮,谷丰序,牟海萌,王宇,段剑钊,冯伟,王永华,郭天财

Effects of Nitrogen Fertilizer and Plant Density on Carbon Metabolism, Nitrogen Metabolism and Grain Yield of Two Winter Wheat Varieties

WANG JinFeng,WANG ZhuangZhuang,GU FengXu,MOU HaiMeng,WANG Yu,DUAN JianZhao,FENG Wei,WANG YongHua,GUO TianCai

表3 氮肥与密度对两冬小麦品种产量及其构成因素的调控效应

Table 3 Effects of nitrogen and density on yield and yield components in two winter wheat varieties

品种 Variety 处理 Treatment 2018―2019 2019―2020 穗数 Spike number (104·hm-2) 穗粒数 Grain per spike 千粒重 1000 grain weight (g) 产量 Yield (kg·hm-2) 穗数 Spike number (104·hm-2) 穗粒数 Grain per spike 千粒重 1000 grain weight (g) 产量 Yield (kg·hm-2) A M1N0 555.84c 36.44bc 51.37ab 8293.81c 370.29e 32.01d 51.70a 4504.86d M1N240 632.50ab 41.22a 48.76de 8726.52abc 548.36abc 36.74b 51.06ab 8439.39bc M1N360 596.67bc 39.71a 47.99e 8864.79ab 515.69d 35.42c 50.21ab 9283.47a M2N0 613.06ab 29.19e 51.23ab 8457.85bc 514.19d 14.52h 49.89ab 4581.60d M2N240 633.61ab 39.55a 49.11cde 9074.18a 561.19ab 42.90a 48.97abc 9109.38ab M2N360 620.84ab 34.24cd 49.90bcd 8725.23abc 540.19bcd 29.04e 48.46bc 7986.07c M3N0 626.67ab 32.58d 51.54a 8482.79bc 532.03cd 19.03g 48.49bc 5077.76d M3N240 657.50a 36.54b 50.65abc 8859.89ab 573.25a 29.26e 46.34cd 8666.20abc M3N360 657.50a 34.89bc 49.39cde 8463.66bc 552.36abc 27.17f 44.90d 7944.19c B M1N0 502.22c 40.41c 47.60a 6717.02e 306.27d 41.90ab 49.11a 2626.90d M1N240 541.95abc 43.80b 44.22b 8109.46c 526.28ab 42.70ab 46.02bc 7934.59b M1N360 517.50bc 40.14c 41.51c 8226.00abc 513.78b 42.70ab 41.94e 9195.11a M2N0 510.00bc 34.36d 48.35a 7177.87d 440.02c 18.70c 46.96ab 2826.41d M2N240 585.28a 46.57a 41.33c 8603.76a 538.78ab 45.80a 44.89bcd 9095.41a M2N360 539.17abc 46.41a 41.94c 8322.05abc 521.28ab 42.50ab 43.06de 7661.80bc M3N0 526.67bc 30.48e 47.72a 7410.25d 517.53ab 22.40c 46.85ab 3412.01d M3N240 588.61a 42.06bc 42.61c 8513.11ab 550.03a 39.30ab 45.95bc 8632.98ab M3N360 561.67ab 39.72c 41.13c 8147.44bc 546.28ab 38.30b 43.86cde 6904.84c