Universität zu Köln

Jiang, Linhui, Bonkowski, Michael, Luo, Ling, Kardol, Paul ORCID: 0000-0001-7065-3435, Zhang, Yu, Chen, Xiaoyun, Li, Daming, Xiao, Zhenggao, Hu, Feng and Liu, Manqiang ORCID: 0000-0001-6654-7795 (2020). Combined addition of chemical and organic amendments enhances plant resistance to aboveground herbivores through increasing microbial abundance and diversity. Biol. Fertil. Soils, 56 (7). S. 1007 - 1023. NEW YORK: SPRINGER. ISSN 1432-0789

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Abstract

Two greenhouse experiments using soils from long-term field plots were carried out to test whether and how soil factors modulated by organic amendments feed back to rice plant growth and defense against an aboveground herbivore, the planthopperNilaparvata lugens. Using factorial combinations of sterilized soil and soil inocula obtained from chemically amended plots (i.e., control treatment) or chemically plus organically amended plots (i.e., organic treatment), we disentangled the effects of biotic and abiotic soil properties on plant and planthopper performance. We found that, compared with abiotic soil properties, soil biological factors were the main drivers in regulating plant growth performance. Specifically, soil biota that are shaped by the organic treatment had high microbial abundance and diversity and enhanced rice plant tolerance (i.e., increasing plant total biomass) and resistance (i.e., decreasing amino acid and sugar concentrations) to planthoppers. Moreover, the organic treatment simultaneously increased plant growth and defense against planthoppers, which could be explained by high soil nutrient availability driven by soil biota. Our results demonstrate the importance of synergistic effects of soil biota and soil abiotic factors on plant growth and resistance to herbivory. These findings are important for better understanding the mechanisms and impacts of ecological intensification as well as the potential of steering soil communities to reduce the use of chemical fertilizers and pesticides and further optimize crop production.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Jiang, Linhui UNSPECIFIED UNSPECIFIED UNSPECIFIED Bonkowski, Michael UNSPECIFIED UNSPECIFIED UNSPECIFIED Luo, Ling UNSPECIFIED UNSPECIFIED UNSPECIFIED Kardol, Paul UNSPECIFIED orcid.org/0000-0001-7065-3435 UNSPECIFIED Zhang, Yu UNSPECIFIED UNSPECIFIED UNSPECIFIED Chen, Xiaoyun UNSPECIFIED UNSPECIFIED UNSPECIFIED Li, Daming UNSPECIFIED UNSPECIFIED UNSPECIFIED Xiao, Zhenggao UNSPECIFIED UNSPECIFIED UNSPECIFIED Hu, Feng UNSPECIFIED UNSPECIFIED UNSPECIFIED Liu, Manqiang UNSPECIFIED orcid.org/0000-0001-6654-7795 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-332835
DOI:	10.1007/s00374-020-01473-w
Journal or Publication Title:	Biol. Fertil. Soils
Volume:	56
Number:	7
Page Range:	S. 1007 - 1023
Date:	2020
Publisher:	SPRINGER
Place of Publication:	NEW YORK
ISSN:	1432-0789
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SOIL-MANAGEMENT HISTORY; MINERAL BALANCE; COMMUNITY COMPOSITION; BENEFICIAL MICROBES; FUNGAL COMMUNITIES; BROWN PLANTHOPPER; CROP YIELD; BIODIVERSITY; DEFENSE; GROWTH Multiple languages Soil Science Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/33283