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Effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties

Continuous potato cropping systems cause yield reduction, soil-borne disease aggravation, and soil degradation, but crop rotation can alleviate these negative effects. However, there are limited studies on the relationships between microbial community and other soil biochemical properties of continu...

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Autores principales: Qin, Junhong, Bian, Chunsong, Duan, Shaoguang, Wang, Wanxing, Li, Guangcun, Jin, Liping
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9559605/
https://www.ncbi.nlm.nih.gov/pubmed/36247636
http://dx.doi.org/10.3389/fpls.2022.999730
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author Qin, Junhong
Bian, Chunsong
Duan, Shaoguang
Wang, Wanxing
Li, Guangcun
Jin, Liping
author_facet Qin, Junhong
Bian, Chunsong
Duan, Shaoguang
Wang, Wanxing
Li, Guangcun
Jin, Liping
author_sort Qin, Junhong
collection PubMed
description Continuous potato cropping systems cause yield reduction, soil-borne disease aggravation, and soil degradation, but crop rotation can alleviate these negative effects. However, there are limited studies on the relationships between microbial community and other soil biochemical properties of continuous potato cropping at both pre-planting and harvest in North China. A 4-year study was conducted to explore the effects of different rotation system on soil biochemical properties, microbial community at pre-planting and harvest, and potato yield, tuber number and black scurf incidence at harvest in 2020 and 2021, which included 4 treatments vis. potato-potato-potato-potato (PC), potato-oat-faba bean-potato (PR), oat-faba bean-potato-oat (O), and faba bean-potato-oat-faba bean (B). The results showed that soil biochemical properties and microbial community among all treatments showed no significant difference at pre-planting after a long cold winter generally. At harvest, PC reduced tuber yield and number and significantly increased black scurf incidence relative to potato rotation systems. PC also reduced soil enzyme activities, the content of soil nutrients, and fungal community diversity, and increased bacterial community diversity compared with the other treatments, insignificantly when compared with PR. Relative abundance of microorganisms related to the degradation of organic residues, soil nitrogen cycling, and disease suppression, such as the genera Devosia, Aeromicrobium, Paraphoma, and Papiliotrema, were significantly higher in O or B than in PC and PR, while microorganisms related to disease infection such as the genera Pseudomonas, Colletotrichum, Plectosphaerella, Fusarium, and Verticillium exhibited increased in PC and PR. Principal Coordinates Analysis (PCoA) showed that there were significant differences in the microbial community structure of PC and PR at harvest compared with that of O and B. Redundancy analysis (RDA) revealed that soil available potassium (AK), acid phosphatase (ACP), available phosphorus (AP), sucrase (SUC) and pH were the dominant factors that significantly affected bacterial and fungal community structure. Partial least squares structural equation model indicated rotation system had significant negative effect on fungal community. It was concluded that growing oat or faba bean after potato can increase soil beneficial microorganisms and maintain the ecosystem healthy, thus reducing the incidence of tuber black scurf and increasing potato yield.
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spelling pubmed-95596052022-10-14 Effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties Qin, Junhong Bian, Chunsong Duan, Shaoguang Wang, Wanxing Li, Guangcun Jin, Liping Front Plant Sci Plant Science Continuous potato cropping systems cause yield reduction, soil-borne disease aggravation, and soil degradation, but crop rotation can alleviate these negative effects. However, there are limited studies on the relationships between microbial community and other soil biochemical properties of continuous potato cropping at both pre-planting and harvest in North China. A 4-year study was conducted to explore the effects of different rotation system on soil biochemical properties, microbial community at pre-planting and harvest, and potato yield, tuber number and black scurf incidence at harvest in 2020 and 2021, which included 4 treatments vis. potato-potato-potato-potato (PC), potato-oat-faba bean-potato (PR), oat-faba bean-potato-oat (O), and faba bean-potato-oat-faba bean (B). The results showed that soil biochemical properties and microbial community among all treatments showed no significant difference at pre-planting after a long cold winter generally. At harvest, PC reduced tuber yield and number and significantly increased black scurf incidence relative to potato rotation systems. PC also reduced soil enzyme activities, the content of soil nutrients, and fungal community diversity, and increased bacterial community diversity compared with the other treatments, insignificantly when compared with PR. Relative abundance of microorganisms related to the degradation of organic residues, soil nitrogen cycling, and disease suppression, such as the genera Devosia, Aeromicrobium, Paraphoma, and Papiliotrema, were significantly higher in O or B than in PC and PR, while microorganisms related to disease infection such as the genera Pseudomonas, Colletotrichum, Plectosphaerella, Fusarium, and Verticillium exhibited increased in PC and PR. Principal Coordinates Analysis (PCoA) showed that there were significant differences in the microbial community structure of PC and PR at harvest compared with that of O and B. Redundancy analysis (RDA) revealed that soil available potassium (AK), acid phosphatase (ACP), available phosphorus (AP), sucrase (SUC) and pH were the dominant factors that significantly affected bacterial and fungal community structure. Partial least squares structural equation model indicated rotation system had significant negative effect on fungal community. It was concluded that growing oat or faba bean after potato can increase soil beneficial microorganisms and maintain the ecosystem healthy, thus reducing the incidence of tuber black scurf and increasing potato yield. Frontiers Media S.A. 2022-09-29 /pmc/articles/PMC9559605/ /pubmed/36247636 http://dx.doi.org/10.3389/fpls.2022.999730 Text en Copyright © 2022 Qin, Bian, Duan, Wang, Li and Jin https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Plant Science
Qin, Junhong
Bian, Chunsong
Duan, Shaoguang
Wang, Wanxing
Li, Guangcun
Jin, Liping
Effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties
title Effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties
title_full Effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties
title_fullStr Effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties
title_full_unstemmed Effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties
title_short Effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties
title_sort effects of different rotation cropping systems on potato yield, rhizosphere microbial community and soil biochemical properties
topic Plant Science
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9559605/
https://www.ncbi.nlm.nih.gov/pubmed/36247636
http://dx.doi.org/10.3389/fpls.2022.999730
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