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Allelopathy of Koelreuteria bipinnata Franch.var. integrifoliola T.Chen Leaf Aqueous Extracts on the Seedling Growth of Lolium perenne(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年02
Page:
71-75
Research Field:
Publishing date:

Info

Title:
Allelopathy of Koelreuteria bipinnata Franch.var. integrifoliola T.Chen Leaf Aqueous Extracts on the Seedling Growth of Lolium perenne
Author(s):
ZHANG Xia; CHANG Haina; LI Haiyun
（College of Agriculture,Liaocheng University,Liaocheng,Shandong 252059）
Keywords:
Koelreuteria bipinnata Franch.var. integrifoliola T.Chen; mineral elements; root morphology; allelopathy; Lolium perenne
PACS:
-
DOI:
10.11937/bfyy.201702017
Abstract:
Koelreuteria bipinnata Franch.var. integrifoliola T.Chen leaves were used as test material,the effect of different concentrations (0.00,12.50,25.00,50.00,100.00 mg?mL-1) leaf aqueous extracts on Lolium perenne seedling biomass production,root morphological parameters and nutrient uptake were studied through the greenhouse pot experiment,to discuss the allelopathic effects of Koelreuteria bipinnata Franch.var. integrifoliola T.Chen leaf aqueous extracts on the Lolium perenne seedlings.The results showed that the dry weight of Lolium perenne seedlings was remarkably decreased by the Koelreuteria bipinnata Franch.var. integrifoliola T.Chen leaf aqueous extracts.The root morphology parameters of Lolium perenne seedling,total root length,root surface area,root volume,and root length and root surface in different diameter ranges (except root diameter>1.0 mm ) were decreased with the aqueous extracts concentration increasing.The higher concentration of water extractions from Koelreuteria bipinnata Franch.var. integrifoliola T.Chen leaves,the stronger inhibition on N,K,Cu,Fe,Mn,Zn nutrient absorption of the Lolium perenne seedlings.Koelreuteria bipinnata Franch.var. integrifoliola T.Chen leaf aqueous extracts showed obvious allelopathic inhibition on the growth of Lolium perenne seedlings,and the higher concentration was,the higher degree of the repression.

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Last Update: 2017-03-22