施氮量对黑小麦物质运转与蛋白质含量的影响

米东明, 周佐艳, 张晓妍, 范振杰, 孙培杰, 黄潇, 任爱霞, 孙敏, 任永康

Effects of Nitrogen Application Rate on Matter Transfer and Protein Content in Black Wheat

Mi Dongming, Zhou Zuoyan, Zhang Xiaoyan, Fan Zhenjie, Sun Peijie, Huang Xiao, Ren Aixia, Sun Min, Ren Yongkang

表1 施氮量对黑小麦花前干物质转运与花后干物质积累的影响

Table 1 Effects of nitrogen application rates on dry matter transfer before anthesis and dry matter accumulation after flowering in black wheat

品种 Variety 处理 Treatment 花前干物质Dry matter before flowering 花后干物质Dry matter after flowering 转运量 Transfer amount (kg/hm2) 转运效率 Transfer efficiency (%) 对籽粒贡献率 Contribution rate to grain (%) 积累量 Accmulation amount (kg/hm2) 对籽粒贡献率 Contribution rate to grain (%) DH1 N0 2356.38d 21.43a 49.90a 2466.47d 50.10c N180 2533.65c 21.11a 40.22b 3765.05c 59.78b N240 2804.59a 21.90a 36.46c 4887.17a 63.54a N300 2708.23b 21.83a 39.35b 4174.75b 60.65b ZM8555 N0 2399.95d 22.99ab 49.53a 2445.61d 50.47c N180 2716.57c 21.59b 37.30c 4567.33a 62.70a N240 2796.36b 23.72a 42.86b 3728.71c 57.14b N300 2844.33a 23.34a 42.82b 3798.73b 57.18b