[1]苏頔,方正,李英丽,等.不同氮素形态配比对百合生长发育的影响[J].北方园艺,2012,36(02):67-69.
　SU Di,FANG Zheng,LI Ying-li,et al.Effect of Different NH4+-N/NO3--N Ratios on the Growth of Lilium[J].Northern Horticulture,2012,36(02):67-69.

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不同氮素形态配比对百合生长发育的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第36卷期数: 2012年02期页码: 67-69 栏目: 出版日期: 2012-02-16

Title:: Effect of Different NH₄⁺-N/NO₃^--N Ratios on the Growth of Lilium

文章编号:: 1001-0009(2012)02-0067-03

作者:: 苏頔; 方正; 李英丽; 赵斌; 河北农业大学资源与环境科学学院，河北省生物无机化学实验室，河北保定 071001

Author(s):: SU Di; FANG Zheng; LI Ying-li; ZHAO Bin; College of Resources and Enviroment Science,Hebei Agricultural University,Lab of Bio-inorganic Chemistry of Hebei,Baoding,Hebei 071001

关键词:: 百合; 氮素形态; 生理特性; 生长发育

分类号:: S 6822+9

文献标志码:: A

摘要:: 采用0∶100、10∶90、25∶75、75∶25、100∶0共5个不同铵态氮/硝态氮配比的营养液，对百合进行砂培盆栽试验，研究不同形态氮素配比对百合生长发育影响。结果表明：以硝态氮为主的营养液有利于百合的生长发育，可显著提高各器官的干物质积累以及植株地上部、根部的含N量。其中NH₄+-N∶NO₃-N=25∶75（N₃）处理百合株高、花直径、叶片叶绿素含量、地上部干物质积累、根部N含量积累均达最大值，3个以上花蕾所占比例高，花期最长，说明N₃处理的营养液有利于植株生长发育和花器官形成。

Abstract:: The effect of different nitrogen ratios NH₄⁺_-N∶NO₃^--N were 0∶100,10∶90,25∶75,75∶25, 100∶0 on growth of Lilium in sand culture.The results showed that the nutrient solution treatment with higher NO₃^--N content was helpful to the growth and development of Lilium. Higher NO₃^--N content in the nutrient solution significantly increased the accumulation of dry weight and nitrogen content both in shoot and root of plant. The 25∶75 (NH₄⁺_-N∶NO₃^--N ) treatment(N₃) was the optimum treatment because of higher proportion of flower bud and longer flowing time than that of other treatments. This treatment(N₃) also had the highest values in plant height, flower diameter, chlorophyll content, dry weight of shoot and N contend in root among all treatments. These results suggested that the N₃treatment could promote the growth and development and flower formation of Lilium.

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备注/Memo

第一作者简介：苏頔（1986-），女，天津人，在读硕士，研究方向为植物营养与品质。E-mail：sudi9273@163.com。

责任作者：方正（1963-），男，河北万全人，博士，研究员，现主要从事植物营养研究方面的工作。E-mail:Fangzheng555@hebau.edu.cn。

基金项目：河北省科技厅博士基金资助项目(00547001 D-3)。

收稿日期：2011-11-03

更新日期/Last Update: 2014-08-24