Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition

Rice is a staple food for the world’s population. However, the straw produced by rice cultivation is not used sufficiently. Returning rice straw to the field is an effective way to help reduce labor and protect the soil. This study focused on the effect of water-covered depth with the freeze–thaw cy...

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Autores principales:	Xiaolong Lin, Zongmu Yao, Xinguang Wang, Shangqi Xu, Chunjie Tian, Lei Tian
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	rice straw fungi soil water-covered freeze-thaw Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/8439c93959aa4ee28aad7557ecd06bf2
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spelling	oai:doaj.org-article:8439c93959aa4ee28aad7557ecd06bf22021-11-25T15:59:22ZWater-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition10.3390/agriculture111111132077-0472https://doaj.org/article/8439c93959aa4ee28aad7557ecd06bf22021-11-01T00:00:00Zhttps://www.mdpi.com/2077-0472/11/11/1113https://doaj.org/toc/2077-0472Rice is a staple food for the world’s population. However, the straw produced by rice cultivation is not used sufficiently. Returning rice straw to the field is an effective way to help reduce labor and protect the soil. This study focused on the effect of water-covered depth with the freeze–thaw cycle on rice straw decomposition and the soil fungal community structure in a field in Northeast China. The field and controlled experiments were designed, and the fungal ITS1 region was tested by high-throughput sequencing for analyzing the fungal communities in this study. The results showed that water coverage with the freeze–thaw cycle promoted the decomposition of rice straw and influenced the fungal community structure; by analyzing the network of the fungal communities, it was found that the potential keystone taxa were <i>Penicillium</i>, <i>Talaromyces</i>, <i>Fusarium</i>, and <i>Aspergillus</i> in straw decomposition; and the strains with high beta-glucosidase, carboxymethyl cellulase, laccase, lignin peroxidase, and manganese peroxidase could also be isolated in the treated experiment. Furthermore, plant pathogenic fungi were found to decrease in the water-covered treatment. We hope that our results can help in rice production and straw return in practice.Xiaolong LinZongmu YaoXinguang WangShangqi XuChunjie TianLei TianMDPI AGarticlerice strawfungisoilwater-coveredfreeze-thawAgriculture (General)S1-972ENAgriculture, Vol 11, Iss 1113, p 1113 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	rice straw fungi soil water-covered freeze-thaw Agriculture (General) S1-972
spellingShingle	rice straw fungi soil water-covered freeze-thaw Agriculture (General) S1-972 Xiaolong Lin Zongmu Yao Xinguang Wang Shangqi Xu Chunjie Tian Lei Tian Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition
description	Rice is a staple food for the world’s population. However, the straw produced by rice cultivation is not used sufficiently. Returning rice straw to the field is an effective way to help reduce labor and protect the soil. This study focused on the effect of water-covered depth with the freeze–thaw cycle on rice straw decomposition and the soil fungal community structure in a field in Northeast China. The field and controlled experiments were designed, and the fungal ITS1 region was tested by high-throughput sequencing for analyzing the fungal communities in this study. The results showed that water coverage with the freeze–thaw cycle promoted the decomposition of rice straw and influenced the fungal community structure; by analyzing the network of the fungal communities, it was found that the potential keystone taxa were <i>Penicillium</i>, <i>Talaromyces</i>, <i>Fusarium</i>, and <i>Aspergillus</i> in straw decomposition; and the strains with high beta-glucosidase, carboxymethyl cellulase, laccase, lignin peroxidase, and manganese peroxidase could also be isolated in the treated experiment. Furthermore, plant pathogenic fungi were found to decrease in the water-covered treatment. We hope that our results can help in rice production and straw return in practice.
format	article
author	Xiaolong Lin Zongmu Yao Xinguang Wang Shangqi Xu Chunjie Tian Lei Tian
author_facet	Xiaolong Lin Zongmu Yao Xinguang Wang Shangqi Xu Chunjie Tian Lei Tian
author_sort	Xiaolong Lin
title	Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition
title_short	Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition
title_full	Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition
title_fullStr	Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition
title_full_unstemmed	Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition
title_sort	water-covered depth with the freeze–thaw cycle influences fungal communities on rice straw decomposition
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8439c93959aa4ee28aad7557ecd06bf2
work_keys_str_mv	AT xiaolonglin watercovereddepthwiththefreezethawcycleinfluencesfungalcommunitiesonricestrawdecomposition AT zongmuyao watercovereddepthwiththefreezethawcycleinfluencesfungalcommunitiesonricestrawdecomposition AT xinguangwang watercovereddepthwiththefreezethawcycleinfluencesfungalcommunitiesonricestrawdecomposition AT shangqixu watercovereddepthwiththefreezethawcycleinfluencesfungalcommunitiesonricestrawdecomposition AT chunjietian watercovereddepthwiththefreezethawcycleinfluencesfungalcommunitiesonricestrawdecomposition AT leitian watercovereddepthwiththefreezethawcycleinfluencesfungalcommunitiesonricestrawdecomposition
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Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition

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