施氮对郑麦366光合速率、花后干物质积累及产量的影响

张素瑜, 岳俊芹, 李向东, 靳海洋, 任德超, 杨明达, 邵运辉, 王汉芳, 方保停, 张德奇, 时艳华, 秦峰, 程红建

Effects of Nitrogen Application on Photosynthetic Rate, Dry Matter Accumulation after Anthesis and Yield of Zhengmai 366

Zhang Suyu, Yue Junqin, Li Xiangdong, Jin Haiyang, Ren Dechao, Yang Mingda, Shao Yunhui, Wang Hanfang, Fang Baoting, Zhang Deqi, Shi Yanhua, Qin Feng, Cheng Hongjian

表1 不同施氮处理对小麦干物质转运的影响

Table 1 Effects of different nitrogen application rates on translocation of dry matter in wheat

年度 Year 处理 Treatment 花前干物质转运量 Transport amount of dry matter before anthesis (kg/hm2) 花后干物质积累量 Accumulation of dry matter after anthesis (kg/hm2) 花前干物质转运 对籽粒产量贡献率 Contribution rate of dry matter transport before anthesis to grain yield (%) 花后干物质积累 对籽粒产量贡献率 Contribution rate of dry matter accumulation after anthesis to grain yield (%) 2018-2019 N0 3208.81a 5878.42c 35.31a 64.69c N210 1573.61b 8129.11b 16.22b 83.78b N150+60 801.86c 9057.55a 8.13c 91.87a N150+120 782.73c 8745.29ab 8.22c 91.78a 2019-2020 N0 4111.85b 607.53d 87.13a 12.87d N210 4744.74a 3096.91c 60.51b 39.49c N150+60 4291.67b 4332.47b 49.76c 50.24b N150+120 3281.76c 5352.69a 38.01d 61.99a