|本期目录/Table of Contents|

[1]王勇,马军,秦航道.氮对地枇杷幼苗生长及生理特征的影响[J].江苏农业科学,2019,47(23):181-185.
 Wang Yong,et al.Influences of nitrogen on growth and physiological characteristics of Ficus tikoua seedlings[J].Jiangsu Agricultural Sciences,2019,47(23):181-185.
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氮对地枇杷幼苗生长及生理特征的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第23期
页码:
181-185
栏目:
园艺与林学
出版日期:
2019-12-30

文章信息/Info

Title:
Influences of nitrogen on growth and physiological characteristics of Ficus tikoua seedlings
作者:
王勇123 马军13 秦航道1
1.铜仁学院材料与化学工程学院,贵州铜仁 554300; 2.贵州省铜仁市文化科技产业创新研究中心,贵州铜仁 554300;
3.贵州省铜仁学院院士工作站,贵州铜仁 554300
Author(s):
Wang Yonget al
关键词:
地枇杷叶绿素含量抗氧化酶活性生物量
Keywords:
-
分类号:
S567.901
DOI:
-
文献标志码:
A
摘要:
探讨了水培条件下,不同浓度的氮对地枇杷生长和抗氧化酶活性的影响。结果表明,水培条件下地枇杷的最适氮浓度为300 mg/L,此时地枇杷干物质积累量较高,且总分枝的长度、叶片数和分枝没有受到抑制,地枇杷叶绿素含量也有所增加。不同浓度氮处理均能促进地枇杷根中氮的积累,而对茎叶中氮含量影响不大;此外,缺氮会促进地枇杷根对磷的吸收,而高浓度的氮能够抑制磷在地枇杷茎和叶中的积累;氮对地枇杷根中钾的含量影响不大,而随氮浓度增加,氮对地枇杷茎和叶中钾的累积有抑制作用。氮浓度不同,地枇杷不同部位的酶活性变化也不相同。低浓度氮处理下,地枇杷主要通过增加根中CAT活性、叶中SOD活性和CAT活性来适应环境;高浓度氮处理时,地枇杷主要通过增加根中SOD活性和POD活性、叶中CAT活性和POD活性来适应环境。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2018-09-12
基金项目:贵州省铜仁市科学技术项目(编号:2017TRS97693);铜仁学院博士启动基金(编号:)。
通信作者:王勇(1985—),男,湖南怀化人,博士,主要从事植物生态与植物修复研究。E-mail:wy7185299@126.com。
更新日期/Last Update: 2019-12-05