[1]郭东梅.萝卜对吡虫啉的吸收和运转与分布特性研究[J].黑龙江农业科学,2014,(06):60-63.
　GUO Dongmei.Absorption，Operation and Distribution of Imidacloprid in Radish[J].HEILONGJIANG AGRICULTURAL SCIENCES,2014,(06):60-63.
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萝卜对吡虫啉的吸收和运转与分布特性研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2014年06 页码: 60-63 栏目: 出版日期: 2014-06-10
Title:
Absorption，Operation and Distribution of Imidacloprid in Radish
文章编号:
1002-2767（2014）06-0060-04
作者:
郭东梅
吉林省农业技术推广总站，吉林 长春 130021
Author(s):
GUO Dongmei
Master Station of Agricultural Technology Extension of Jilin Province，Changchun，Jinlin 130021
关键词:
吡虫啉; 萝卜; 吸收; 运转; 分布
Keywords:
imidacloprid; radish; absorption; translocation; distribution
分类号:
S481
文献标志码:
A
摘要:
为了研究萝卜对吡虫啉的吸收、运转与分布，更深入地了解萝卜对于吡虫啉的吸收特性，合理使用吡虫啉防治害虫，采用根部和叶面施药方法，研究了吡虫啉在萝卜各部位的残留量。结果表明：吡虫啉在萝卜体内的分布具有一定的规律性，即根>茎>叶。吡虫啉被萝卜根系吸收后随着时间的延长在体内运转、累积，最后分布趋于均匀。吡虫啉能够通过萝卜叶表进入，且渗透能力较强，渗透速率也较快，整株浓度含量在处理后的24 h达到最高峰，在萝卜植株内浓度含量分布叶>茎>根。吡虫啉主要富集在萝卜的叶和茎部，而根部富集的吡虫啉较少；萝卜体外吡虫啉持留量随时间的延长而逐渐递减。
Abstract:
In order to study the absorption,operation and distribution of imidacloprid in radish,had a deeper understauding of absorption chavacteristics for imidacloprid,and the rational use of imidacloprid to prevent pest.The residues of imidacloprid in radish were studied by spraying pesticide with roots and leaves.The results indicated that distribution of imidacloprid in radish had a rule with roots application:roots>stems>leaves.But imidacloprid was translocated,cumulated in radish with time and finally the distribution of imidacloprid was closed to equality.With foliar application,imidacloprid was able to uptake by radish leaf surfaces,and it had a stronger,faster permeation.Concentrations of the whole plant reached the peak after 24 h,and the distribution of imidacloprid in radish was that leaves>stems>roots.The concentration of imidacloprid in leaves and stems was far more than in roots,the residual quantity of imidacloprid in outer was decreasing gradually with time.

参考文献/References:


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备注/Memo

收稿日期：2014-02-16

基金项目：国家重点基础研究发展规划(973)资助项目(2002－CB410800)
作者简介：郭东梅(1978-)，女，辽宁省沈阳市人，硕士，农艺师，从事农药残留分析与环境毒理研究。E-mail：gdm100200@163.com。

更新日期/Last Update: 2014-08-03