Effects of selected cucumber root exudates components on soil Trichoderma spp. communities

被引：12
作者：
Zhou, X. G. [1 ,2 ]
Wang, J. [1 ,2 ]
Jin, X. [1 ,2 ]
Li, D. L. [1 ]
Shi, Y. J. [1 ,2 ]
Wu, F. Z. [1 ,2 ]
机构：
[1] Northeast Agr Univ, Key Lab Biol & Genet Improvement Hort Crops North, Minist Agr, Harbin, Heilongjiang, Peoples R China
[2] Northeast Agr Univ, Dept Hort, Harbin, Heilongjiang, Peoples R China
来源：
ALLELOPATHY JOURNAL | 2019年 / 47卷 / 02期
关键词：
Amino acid; microcosm experiment; organic acid; sugar; Trichoderma spp; MICROBIAL COMMUNITIES; ORGANIC-ACIDS; SATIVUS; FUSARIUM; DIVERSITY; DYNAMICS; VANILLIN; ONION;
D O I：
10.26651/allelo.j/2019-47-2-1236
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
In a microcosm experiment, soils were treated with selected cucumber root exudates components (glucose, succinic acid, p-hydroxybenzoic acid, p-coumaric acid and glutamic acid) at 20 mu g C/g soil. The Soil Trichoderma spp. community structure and abundance were estimated by PCR-denaturing gradient gel electrophoresis and quantitative PCR, respectively. Results showed that all exogenously added organic compounds changed the structure and increased the diversity indices of soil Trichoderma spp. community. Among all tested organic compounds, glucose had the strongest, while, p-hydroxybenzoic acid had the weakest influence on soil Trichoderma spp. community structure. p-Hydroxy benzoic acid, glucose, succinic acid and glutamic acid increased the soil Trichoderma spp. community abundance with glucose being the best.
引用
收藏
页码：257 / 265
页数：9
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