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  • ISSN 1000-694X
  • 双月刊 创刊于1981年
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生物与土壤

不同种植方式下丁香酚对2种作物根系形态的影响

  • 魏玉杰 ,
  • 张金文 ,
  • 赵永平 ,
  • 王军强
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  • 1. 甘肃农业大学 甘肃省干旱生境作物学重点实验室, 甘肃 兰州 730070;
    2. 甘肃省农垦农业研究院, 甘肃 武威 733006
魏玉杰(1967—),男,甘肃通渭人,博士研究生,研究员,主要从事植物生态生理研究。Email:gswwwyj67@163.com

收稿日期: 2013-09-04

  修回日期: 2013-11-27

  网络出版日期: 2014-03-20

基金资助

科技部星火计划重大项目(S2012G100011)资助

Effects of Eugenol and Intercropping on Root Morphology of Wheat and Faba-bean

  • Wei Yujie ,
  • Zhang Jinwen ,
  • Zhao Yongping ,
  • Wang Junqiang
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  • 1. Gansu Provincial Key Lab of Arid land Crop Science, Gansu Agricultural University, Lanzhou 730070, China;
    2. Gansu Farms Academy of Agricultural Researches, Wuwei 733006, Gansu, China

Received date: 2013-09-04

  Revised date: 2013-11-27

  Online published: 2014-03-20

摘要

通过盆栽试验,研究浓度为300×10-6 mol·kg-1的丁香酚对小麦(Triticum aestivum)间作蚕豆(Vicia faba)、单作小麦和单作蚕豆根系形态的影响,以期探讨通过间作弱化化感抑制作用的可能性和机理,为间作群体的化感物质调控提供理论依据。结果表明:丁香酚对单作小麦和间作蚕豆单株根鲜重、干重、根长都有抑制效应,但对间作小麦和单作蚕豆的单株根鲜重、干重、单株根长有促进效应。具体表现在间作复合群体中,经丁香酚处理后,小麦的单株根鲜重、干重、体积以及根长较单作有明显的增加,同时单株蚕豆根鲜重、干重、体积以及根长较单作显著减少,说明小麦间作蚕豆能有效缓解小麦根际丁香酚的累积,同时产生它感作用,对蚕豆根系生长产生明显的抑制效应。

本文引用格式

魏玉杰 , 张金文 , 赵永平 , 王军强 . 不同种植方式下丁香酚对2种作物根系形态的影响[J]. 中国沙漠, 2014 , 34(2) : 413 -418 . DOI: 10.7522/j.issn.1000-694X.2013.00332

Abstract

In order to provide theoretical basis for the regulation of intercropping system affected by allelochemical and explore the possibility way for weakening the allelochemicals through intercropping, pot experiment was carried out to research the effects of eugenol(300×10-6 mol·kg-1)on root morphology of intercropping wheat and faba-bean,sole wheat and sole faba-bean. Results show that: The eugenol had negative allelopathic effect on the fresh weight, dry weight and length of root in sole cropping wheat and faba-bean, but had positive allelopathic effect on the fresh weight, dry weight and length of root in intercropping and sole cropping faba-bean. Date showed that when treated with eugenol,the root fresh weight, dry weight, root volume and root length per plant of wheat increased significantly compared to monoculture, meanwhile,faba bean root fresh weight, dry weight, root volume and root length per plant reduces under monoculture. Wheat-fababean intercropped model can effectively relieve the accumulated concentration of eugenol around the wheat rhizosphere, while generates a sense of action and acted a significant inhibitory effect for faba-bean.

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