[1]张建英,毛向红,张莹莹.核桃果实发育关键期矿质元素需求规律研究[J].黑龙江农业科学,2019,(03):49-53.[doi:10.11942/j.issn1002-2767.2019.03.0049]
　ZHANG Jian-ying,MAO Xiang-hong,ZHANG Ying-ying.Research on the Law of Mineral Elements Requirement Law in Critical Period of Walnut Fruit Development[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(03):49-53.[doi:10.11942/j.issn1002-2767.2019.03.0049]
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核桃果实发育关键期矿质元素需求规律研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2019年03期 页码: 49-53 栏目: 出版日期: 2019-03-10
Title:
Research on the Law of Mineral Elements Requirement Law in Critical Period of Walnut Fruit Development
作者:
张建英; 毛向红; 张莹莹
河北省林业科学研究院/河北省林木良种工程技术研究中心，河北 石家庄 050061
Author(s):
ZHANG Jian-ying; MAO Xiang-hong; ZHANG Ying-ying
Hebei Academy of Forestry Science/ Hebei Engineering and Technology Research Center of Improved Forest Variety,Shijiazhuang 050061,China
关键词:
核桃; 果实发育关键期; 矿质元素含量; 需求规律
Keywords:
walnut;  critical period of fruit development;  mineral element content; law of demand
DOI:
10.11942/j.issn1002-2767.2019.03.0049
文献标志码:
A
摘要:
为掌握核桃果实发育关键期对营养元素的需求规律，为肥水一体化技术提供依据，对5年生辽宁1号核桃幼果膨大期、硬核期、脂肪转化期和果实成熟期叶片、枝条和果实矿质元素含量进行了测定和分析。结果表明：果实不同发育关键期矿质元素含量不同，幼果膨大期需N量最多，硬核期和脂肪转化期需Ca量最多；Ca、Mg、Zn在果实发育过程中的含量变化呈递增趋势， K、Cu、Fe、Mn呈递减趋势，N和P在幼果膨大期含量较高，硬核期最低，脂肪转化期有所升高，但低于膨大期；核桃果实发育关键期对N、P、K三大元素的需求比例与常规施肥量不同。
Abstract:
In order to master the law of mineral elements requirement in critical period of walnut fruit development and provide theory evidence to the technology of integral control of water and fertilization,the content of mineral element in samples from 5 year-old ‘Liaoning No.1’walnut was determined,which contains leaves,branches and fruits in different developmental stages (fruit expanding stage,shell-hardening stage,fat transformation stage and fruit ripening stage).The results showed that the content of mineral elements in different fruit development was different.Plants need more nitrogen element than others in the stage of fruit expanding,and more calcium element in the stage of shell-hardening and fat transformation.The alter trend of calcium,magnesium and zinc was increased and potassium,copper,iron and manganese was decreased during fruit development.The content of N and phosphorus was higher in the stage of fruit expanding,lowest in the stage of shell-hardening and increased slightly in the stage of fat transformation.The demand proportion of N,P and K in the critical period of walnut fruit development was different from that of conventional fertilization.

参考文献/References:

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备注/Memo

收稿日期：2018-09-15

基金项目：中央财政林业科技推广示范资金项目（冀TG[2016]001号）。
第一作者简介：张建英（1970-），女，学士，高级农艺师，从事经济林育种与栽培研究。E-mail：lkyjjl@163.com。

更新日期/Last Update: 2019-03-24