| 不同氮素籽粒生产效率油菜品种物质生产及产量构成的差异 |
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| 引用本文： | 左青松,唐瑶,石剑飞,杨光,惠飞虎,冷锁虎.不同氮素籽粒生产效率油菜品种物质生产及产量构成的差异[J].安徽农业科学,2009,37(9):3985-3987. |
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| 作者姓名： | 左青松 唐瑶 石剑飞 杨光 惠飞虎 冷锁虎 |
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| 作者单位： | 扬州大学江苏省作物遗传生理重点实验室,农业部长江中下游作物生理生态与栽培重点开放实验室,江苏扬州,225009;江苏里下河地区农业科学研究所,江苏扬州,225007 |
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| 基金项目： | 江苏省农业科技支撑计划项目(BE2008369); 江苏省农机三项工程项目(NJ2006-43) |
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| 摘 要： | 目的]明确不同氮素籽粒生产效率油菜品种的干物质生产及产量构成因素差异。方法]以甘蓝型油菜品种为材料,成熟期测定各器官干物重、氮素含量以及产量构成,采用组内最小平方和动态聚类方法对供试品种氮素籽粒生产效率（NUEg）进行聚类,研究不同NUEg类型品种干物质积累分配特性和产量构成差异。结果]供试品种间NUEg差异很大,类型间差异显著。随着NUEg增加,类型间籽粒产量增加,籽粒干重比例增加,角果数增加,茎枝干重比例下降。进一步分析显示NUEg与籽粒干重（r2007=0.6840＊＊,r2008=0.7374＊＊）、籽粒干重比例（r2007=0.5703＊＊,r2008=0.5354＊＊）呈极显著正相关。结论]生产上提高NUEg,可以通过高产,高角果数品种的筛选,采取合理的栽培措施促进茎枝光合产物向外输送,增加籽粒干重比例。
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| 关 键 词： | 甘蓝型油菜 氮素籽粒生产效率 干物质 产量构成因素 |
Study on the Differences of Dry Matter Production and Yield Components in Rapeseed with Different Nitrogen Utilization Efficiency for Grain Production |
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| ZUO Qing-song et al.Study on the Differences of Dry Matter Production and Yield Components in Rapeseed with Different Nitrogen Utilization Efficiency for Grain Production[J].Journal of Anhui Agricultural Sciences,2009,37(9):3985-3987. |
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| Authors: | ZUO Qing-song |
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| Institution: | ZUO Qing-song et al (Key Laboratory of Crop Genetics , Physiology of Jiangsu Province,Ecology , Cultivation in Middle , Lower Reaches of Yangtze River of Ministry of Agriculture,Yangzhou University,Yangzhou,Jiangsu 225009) |
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| Abstract: | Objective]The research aimed to study the differences of dry matter production and yield components in rapeseed(Brassica napus L.) with different nitrogen utilization efficiency for grain production(NUEg).Method] With B.napus cultivars as materials,through testing dry matter weight,the nitrogen content of different organs and yield components in mature period were measred.The tested rapeseed cultivars were classified into 6 types based on NUEg by the MinSSw method,so as to study their characteristics of d... |
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| Keywords: | Rapeseed(Brassica napus L ) Nitrogen utilization efficiency for grain production Dry matter Yield components |
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