Competitive Capacity and Rhizosphere Mineralization of Organic Matter During Weed-Soil Microbiota Interactions

MATOS, C.C.; COSTA, M.D.; SILVA, I.R.; SILVA, A.A.

doi:10.1590/S0100-83582019370100007

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Literature Review • Planta daninha 37 • 2019 • https://doi.org/10.1590/S0100-83582019370100007 copy

Competitive Capacity and Rhizosphere Mineralization of Organic Matter During Weed-Soil Microbiota Interactions

Capacidade Competitiva e Mineralização Rizosférica da Matéria Orgânica Durante as Interações Planta Daninha-Microbiota do Solo

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT:

The competition between weeds and crops is one of the main factors responsible for productivity losses in agricultural fields. This review aimed at presenting and discussing how the interactions between weeds and microorganisms can affect the competitive capacity of weeds and soil physicochemical properties. We also discuss how changes in the elemental stoichiometry of weeds can reflect their competitive and adaptative capacity. Although weeds are more dependent on associations with soil microorganisms than crops for growth, few studies have assessed the contribution of the soil microbiota to their competitive success in agroecosystems. When in competition, plants can change the elemental stoichiometry of their tissues in environments with varied nutrient availability. Elemental stoichiometry of plants has been particularly well studied using ecological approaches on the dynamics of weed populations in natural ecosystems, being a promising tool for understanding weed capacity to adapt to different agricultural managements. Plants control the biogeochemical cycles of carbon (C) and nitrogen (N) in the rhizosphere through a phenomenon known as the rhizosphere priming effect (RPE). Although this review has found some information in the literature that provides strong indications that the coexistence of weeds and crops may increase soil organic matter mineralization, we are not aware of studies investigating the effects of competition among these plants on RPE.

Keywords:
rhizosphere priming; elemental stoichiometry; soil quality; agricultural sustainability

Sociedade Brasileira da Ciência das Plantas Daninhas Departamento de Fitotecnia - DFT, Universidade Federal de Viçosa - UFV, 36570-000 - Viçosa-MG - Brasil, Tel./Fax::(+55 31) 3899-2611 - Viçosa - MG - Brazil
E-mail: rpdaninha@gmail.com

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[1] * Corresponding author: <christianomts@gmail.com>

Soil characteristics	Invasive and weed plants
Increased values of chemical attributes
N, P, K, SOM, and pH	Mimosa pudica (Wang et al., 2015bWang WQ, Sardans J, Wang C, Zeng CS, Tong C, Asensio D, et al. Ecological stoichiometry of C, N, and P of invasive Phragmites australis and native Cyperus malaccensis species in the Minjiang River tidal estuarine wetlands of China. Plant Ecol. 2015b;2016(6):809-22.)
C, N, and P	Acacia dealbata (Souza-Alonso et al., 2015Souza-Alonso P, Guisande-Collazo A, González L. Gradualism in Acacia dealbata Link invasion: Impact on soil chemistry and microbial community over a chronological sequence. Soil Biol Biochem. 2015;80:315-23.), Amaranthus viridis (Sanon et al., 2009)
K, Mg, Mn, and N	Fallopia japonica, Heracleum mantegazzianum, Impatiens glandulifera, Prunus serotina, Rosa rugosa, Senecio inaequidens, Solidago gigantea (Dassonville et al., 2008Dassonville N, Vanderhoeven S, Vanparys V, Hayez M, Gruber W, Meerts P. Impacts of alien invasive plants on soil nutrients are correlated with initial site conditions in NW Europe. Oecologia. 2008;157:131-40.)
pH and Ca	Wedelia trilobata (Si et al., 2013Si C, Liu X, Wang C, Wang L, Dai Z, Qi S, et al. Different degrees of plant invasion significantly affect the richness of the soil fungal community. PLoS One. 2013;8(12):1-9.)
Increased enzymatic activity
Urease, invertase, protease, catalase, and cellulase	Mimosa pudica (Wang et al., 2015bWang WQ, Sardans J, Wang C, Zeng CS, Tong C, Asensio D, et al. Ecological stoichiometry of C, N, and P of invasive Phragmites australis and native Cyperus malaccensis species in the Minjiang River tidal estuarine wetlands of China. Plant Ecol. 2015b;2016(6):809-22.)
Urease, invertase, and acid phosphatase	Bidens pilosa (He et al., 2013He B, Li R-Y, Luo M-Y, Wei H-M, Zhang H, Ma D-W. Effects of Bidens pilosa of invasive plant on soil ecological system at different developmental stages. South China J Agric Sci. 2013;26:1953-6.)
Acid phosphatase, β-glucosidase, urease, and N-acetylglucosaminidase	Acacia dealbata (Souza-Alonso et al., 2015Souza-Alonso P, Guisande-Collazo A, González L. Gradualism in Acacia dealbata Link invasion: Impact on soil chemistry and microbial community over a chronological sequence. Soil Biol Biochem. 2015;80:315-23.)
β-glucosidase, invertase, protease, urease, acid phosphatase, alkaline phosphatase, and phenol oxidase	Mikania micrantha (Li et al., 2006Li WH, Zhang C-B, Jiang H-B, Xin G-R, Yang Z-Y. Changes in soil microbial community associated with invasion of the exotic weed, Mikania micrantha H.B.K. Plant Soil. 2006;281(1-2):309-24.)
Changes in the structure of the soil microbial community
Increase of fungal and bacterial populations in the soil	Bidens pilosa (He et al., 2013He B, Li R-Y, Luo M-Y, Wei H-M, Zhang H, Ma D-W. Effects of Bidens pilosa of invasive plant on soil ecological system at different developmental stages. South China J Agric Sci. 2013;26:1953-6.)
Increase of bacterial abundance	Amaranthus viridis (Sanon et al., 2009)
Increase of aerobic bacteria and reduction of anaerobic bacteria	Mikania micrantha (Li et al., 2006Li WH, Zhang C-B, Jiang H-B, Xin G-R, Yang Z-Y. Changes in soil microbial community associated with invasion of the exotic weed, Mikania micrantha H.B.K. Plant Soil. 2006;281(1-2):309-24.)
Increase of richness of the soil fungal community	Wedelia trilobata (Si et al., 2013Si C, Liu X, Wang C, Wang L, Dai Z, Qi S, et al. Different degrees of plant invasion significantly affect the richness of the soil fungal community. PLoS One. 2013;8(12):1-9.)
Change in the abundance of fungi, bacteria, and arches. Recruiting of specific microorganisms	Ageratum conyzoides, Ipomoea ramosissima, Bidens pilosa (Monteiro, 2016Monteiro LCP. Diversidade microbiana na rizosfera de plantas em competição. Viçosa, MG: Universidade Federal de Viçosa; 2016.)