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IVES 9 IVES Conference Series 9 Effect of one-year cover crop and arbuscular mycorrhiza inocululation in the microbial soil community of a vineyard

Effect of one-year cover crop and arbuscular mycorrhiza inocululation in the microbial soil community of a vineyard

Abstract

The microbial composition of the soil is an important factor to consider in viticulture, since its influence on the “terroir” and on the organoleptic properties of the wine have been demonstrated. Different agronomic techniques have the potential to modify the composition and functionality of the soil microbial community. Maintaining green covers is known to increase soil microbial diversity. The direct application of inoculum of beneficial microorganisms to the soil has also been used to increase their abundance. However, the environmental conditions of each site seem to have a determining weight in the result of these practices. In this study, we compared the effect on the microbial community of a cover crop with legumes in autumn and the inoculation of grapevines with commercial inoculum bases on Rhizophagus irregularis and Funeliformis mosseae in the previous spring. The study has been carried out in a vineyard in Binissalem, Mallorca, Spain. After applying the treatments, we will analyze the soil microbial communities using the data obtained from Illumina amplification of soil DNA from the 16S and ITS regions to analyze bacteria and fungi community, respectively. In addition, we will record the physicochemical characteristics of the soil at each sampling point. The result showed that agronomic management, in the short term, has less influence than soil characteristics on the composition of the soil microbiome. With these results, we can conclude that in a vineyard, agricultural techniques should focus on improving the characteristics of the soil to improve the biodiversity of the soil microbiota.

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Publication date: May 31, 2022

Issue: Terclim 2022

Type: Poster

Authors

Arantxa Molins, Miquel Àngel Ribas, Josefina Bota and Elena Baraza

Research Group on Plant Biology under Mediterranean Conditions, Departament de Biologia, Universitat de les Illes Balears (UIB) – Agro-Environmental and Water Economics Institute (INAGEA). Palma, Spain

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Keywords

agronomic management, high throughtput sequencing, microbial community, soil microbiome, Vitis vinifera

Tags

IVES Conference Series | Terclim 2022

Citation

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