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Tian L, Zhang W, Zhou GD, Li S, Wang Y, Yang B, Bai T, Fan H, He P, Zheng SJ. A biological product of Bacillus amyloliquefaciens QST713 strain for promoting banana plant growth and modifying rhizosphere soil microbial diversity and community composition. Front Microbiol 2023; 14:1216018. [PMID: 38029129 PMCID: PMC10653307 DOI: 10.3389/fmicb.2023.1216018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 10/06/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Bananas are not only an important food crop for developing countries but also a major trading fruit for tropical and semitropical regions, maintaining a huge trade volume. Fusarium wilt of banana (FWB) caused by Fusarium oxysporum f. sp. cubense is becoming a serious challenge to the banana industry globally. Biological control has the potential to offer both effective and sustainable measures for this soil-borne disease. Methods In order to explore the biocontrol effects of the biological agent Bacillus amyloliquefaciens QST713 strain on banana plants, two cultivars, Brazilian and Yunjiao No. 1, with varied resistance to FWB, were used in greenhouse pot experiments. Results Results showed that the plant height and pseudostem diameter of banana-susceptible cultivar Brazilian increased by 11.68% and 11.94%, respectively, after QST713 application, while the plant height and pseudostem diameter of resistant cultivar Yunjiao No. 1 increased by 14.87% and 12.51%, respectively. The fresh weight of the two cultivars increased by 20.66% and 36.68%, respectively, indicating that this biological agent has potential effects on plant growth. Analysis of the rhizosphere soil microbial communities of two different cultivars of banana plants showed that TR4 infection and B. amyloliquefaciens QST713 strain application significantly affected the bacterial and fungal diversity of Yunjiao No. 1, but not in the cultivar Brazilian. In addition, TR4 infection and QST713 application changed the bacterial community composition of both banana cultivars, and the fungal community composition of Yunjiao No. 1 also changed significantly. Relevance analysis indicated that the relative richness of Bacillus and Pseudomonas in the rhizosphere of both cultivars increased significantly after QST713 application, which had a good positive correlation with plant height, pseudostem girth, aboveground fresh weight, leaf length, and leaf width. Discussion Therefore, the outcome of this study suggests that the biological agent QST713 strain has potential application in banana production for promoting plant growth and modification of soil microbial communities, particularly in the TR4-infected field.
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Affiliation(s)
- Libo Tian
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
| | - Wenlong Zhang
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
| | - Guang-Dong Zhou
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
| | - Shu Li
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
| | - Yongfen Wang
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
- Institute of Tropical and Subtropical Industry Crops, Yunnan Academy of Agricultural Sciences, Baoshan, China
| | - Baoming Yang
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
| | - Tingting Bai
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
| | - Huacai Fan
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
| | - Ping He
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Ministry of Education Key Laboratory of Agriculture Biodiversity for Plant Disease Management, College of Plant Protection, Yunnan Agricultural University, Kunming, China
| | - Si-Jun Zheng
- Yunnan Key Laboratory of Green Prevention and Control of Agricultural Transboundary Pests, Agricultural Environment and Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
- Bioversity International, Kunming, China
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Xiang D, Yang X, Liu B, Chu Y, Liu S, Li C. Bio-priming of banana tissue culture plantlets with endophytic Bacillus velezensis EB1 to improve Fusarium wilt resistance. Front Microbiol 2023; 14:1146331. [PMID: 37007465 PMCID: PMC10064985 DOI: 10.3389/fmicb.2023.1146331] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 02/20/2023] [Indexed: 03/18/2023] Open
Abstract
Tissue culture techniques have been routinely used for banana propagation and offered rapid production of planting materials with favorable genotypes and free of pathogenic microorganisms in the banana industry. Meanwhile, extensive scientific work suggests that micropropagated plantlets are more susceptible to Fusarium oxysporum f. sp. cubense (Foc), the deadly strain that causes Fusarium wilt of bananas than conventional planting material due to the loss of indigenous endophytes. In this study, an endophytic bacterium Bacillus velezensis EB1 was isolated and characterized. EB1 shows remarkable in vitro antagonistic activity against Foc with an inhibition rate of 75.43% and induces significant morphological and ultrastructural changes and alterations in the hyphae of Foc. Colony-forming unit (c.f.u.) counting and scanning electron microscopy (SEM) revealed that EB1 could colonize both the surface and inner tissues of banana tissue culture plantlets. Banana tissue culture plantlets of late rooting stage bioprimed with EB1 could efficiently ward off the invasive of Foc. The bio-priming effect could maintain in the acclimatized banana plants and significantly decrease the disease severity of Fusarium wilt and induce strong disease resistance by manipulating plant defense signaling pathways in a pot experiment. Our results provide the adaptability and potential of native endophyte EB1 in protecting plants from pathogens and infer that banana tissue culture plantlets bio-priming with endophytic microbiota could be a promising biological solution in the fight against the Fusarium wilt of banana.
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Affiliation(s)
- Dandan Xiang
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Xiaofang Yang
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- College of Horticulture, Sichuan Agricultural University, Chengdu, China
| | - Bojing Liu
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Yuanqi Chu
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- College of Horticulture, Sichuan Agricultural University, Chengdu, China
| | - Siwen Liu
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Chunyu Li
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- *Correspondence: Chunyu Li
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Gómez-Lama Cabanás C, Wentzien NM, Zorrilla-Fontanesi Y, Valverde-Corredor A, Fernández-González AJ, Fernández-López M, Mercado-Blanco J. Impacts of the Biocontrol Strain Pseudomonas simiae PICF7 on the Banana Holobiont: Alteration of Root Microbial Co-occurrence Networks and Effect on Host Defense Responses. Front Microbiol 2022; 13:809126. [PMID: 35242117 PMCID: PMC8885582 DOI: 10.3389/fmicb.2022.809126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 01/10/2022] [Indexed: 12/18/2022] Open
Abstract
The impact of the versatile biocontrol and plant-growth-promoting rhizobacteria Pseudomonas simiae PICF7 on the banana holobiont under controlled conditions was investigated. We examine the fate of this biological control agent (BCA) upon introduction in the soil, the effect on the banana root microbiota, and the influence on specific host genetic defense responses. While the presence of strain PICF7 significantly altered neither the composition nor the structure of the root microbiota, a significant shift in microbial community interactions through co-occurrence network analysis was observed. Despite the fact that PICF7 did not constitute a keystone, the topology of this network was significantly modified-the BCA being identified as a constituent of one of the main network modules in bacterized plants. Gene expression analysis showed the early suppression of several systemic acquired resistance and induced systemic resistance (ISR) markers. This outcome occurred at the time in which the highest relative abundance of PICF7 was detected. The absence of major and permanent changes on the banana holobiont upon PICF7 introduction poses advantages regarding the use of this beneficial rhizobacteria under field conditions. Indeed a BCA able to control the target pathogen while altering as little as possible the natural host-associated microbiome should be a requisite when developing effective bio-inoculants.
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Affiliation(s)
- Carmen Gómez-Lama Cabanás
- Departamento de Protección de Cultivos, Instituto de Agricultura Sostenible, Consejo Superior de Investigaciones Científicas, Córdoba, Spain
| | - Nuria M. Wentzien
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | | | - Antonio Valverde-Corredor
- Departamento de Protección de Cultivos, Instituto de Agricultura Sostenible, Consejo Superior de Investigaciones Científicas, Córdoba, Spain
| | - Antonio J. Fernández-González
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | - Manuel Fernández-López
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | - Jesús Mercado-Blanco
- Departamento de Protección de Cultivos, Instituto de Agricultura Sostenible, Consejo Superior de Investigaciones Científicas, Córdoba, Spain
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Nisrina L, Effendi Y, Pancoro A. Revealing the role of Plant Growth Promoting Rhizobacteria in suppressive soils against Fusarium oxysporum f.sp. cubense based on metagenomic analysis. Heliyon 2021; 7:e07636. [PMID: 34401567 PMCID: PMC8353484 DOI: 10.1016/j.heliyon.2021.e07636] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 09/23/2020] [Accepted: 07/19/2021] [Indexed: 02/04/2023] Open
Abstract
Fusarium oxysporum f.sp. cubense (Foc) is a soil-borne pathogen causing fusarium wilt banana disease. Management of soil-borne disease generally required the application of toxic pesticides or fungicides strongly affect the soil microbiomes ecosystem. Suppressive soil is a promising method for controlling soil-borne pathogens in which soil microbiomes may affect the suppressiveness. The comparative analysis of microbial diversity was conducted from suppressive and conducive soils by analyzing whole shotgun metagenomic DNA data. Two suppressive soil samples and two conducive soil samples were collected from a banana plantation in Sukabumi, West Java, Indonesia. Each soil sample was prepared by mixing the soil samples collected from three points sampling sites with 20 cm depth. Analysis of microbial abundance, diversity, co-occurrence network using Metagenome Analyzer 6 (MEGAN6) and functional analysis using Kyoto Encyclopedia of Genes and Genomes (KEGG) was performed. Data showed the abundance of Actinobacteria, Betaproteobacteria, Rhizobiales, Burkholderiales, Bradyrhizobiaceae, Methylobacteriaceae, Rhodopseudomonas palustris, and Methylobacterium nodulans were higher in the suppressive than conducive soils. Interestingly, those bacteria groups are known functionally as members of Plant Growth Promoting Rhizobacteria (PGPR). The co-occurrence analysis showed Pseudomonas, Burkholderia, and Streptomyces were present in the suppressive soils, while Bacillus and more Streptomyces were found in the conducive soils. Furthermore, the relative abundance of Pseudomonas, Burkholderia, Bacillus, and Streptomyces was performed. The analysis showed that the relative abundance of Pseudomonas and Burkholderia was higher in the suppressive than conducive soils. Therefore, it assumed Pseudomonas and Burkholderia play a role in suppressing Foc based on co-occurrence and abundance analysis. Functional analysis of Pseudomonas and Burkholderia showed that the zinc/manganese transport system was higher in the suppressive than conducive soils. In contrast, the phosphate transport system was not found in conducive soils. Both functions are may be responsible for the synthesis of a siderophore and phosphate solubilization. In conclusion, this study provides information that PGPR may be contributing to Foc growth suppressing by releasing secondary metabolites.
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Affiliation(s)
- Lulu' Nisrina
- School of Life Sciences and Technology, Bandung Institute of Technology, Jalan Ganesha 10, 40132, Bandung, Indonesia
| | - Yunus Effendi
- Department of Biology, Al-Azhar Univerisity of Indonesia, Jalan Sisimangaraja 2, 12110, Jakarta, Indonesia
| | - Adi Pancoro
- School of Life Sciences and Technology, Bandung Institute of Technology, Jalan Ganesha 10, 40132, Bandung, Indonesia
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Exemplifying endophytes of banana (Musa paradisiaca) for their potential role in growth stimulation and management of Fusarium oxysporum f. sp cubense causing panama wilt. Folia Microbiol (Praha) 2021; 66:317-330. [PMID: 33471292 DOI: 10.1007/s12223-021-00853-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 01/05/2021] [Indexed: 10/22/2022]
Abstract
In the present study, potentiality of endophytic microorganisms such as Rigidiporus vinctus AAU EF, Trichoderma reesei UH EF, and Sphingobacterium tabacisoli UH EB in the management of panama wilt and growth promotion of banana was assessed through artificial inoculation. During the study, a total of 220 bacterial and 110 fungal endophytes were isolated from root, pseudostem, and leaf samples of banana, and they were evaluated against Fusarium oxysporum f. sp cubense causing panama wilt. Out of total 330 bacterial and fungal endophytes, only five endophytes exhibited antagonism against Fusarium oxysporum f. sp cubense, out of which only three isolates, namely Trichoderma reesei UH EF, Rigidiporus vinctus AAU EF, and Sphingobacterium tabacisoli UH EB, produced indole acetic acid, siderophore, and hydrogen cyanide, except one bacterial strain Sphingobacterium tabacisoli UH EB which does not produce hydrogen cyanide. Furthermore, these three endophytes were identified through cultural and morphological characteristics as well as by the sequencing internal transcribed spacer (ITS) and 16S rRNA gene sequences analysis for bacteria, respectively. The response of host plant to endophyte inoculation was assessed by measuring the change in four growth parameters; plant height, pseudo stem girth (diameter), number of roots, and total number of leaves. The application of endophytes, irrespective of isolate and treatment type promoted the overall growth of the plant growth when compared with diseased plants with significant higher values recorded for all parameters assessed. The endophytes reported as growth promoters were found to have significant inhibition effect on Foc which can evidenced with lowest AUDPC values and epidemic rate at 99.09 units2 and 0.02 unit/day, respectively.
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Niu B, Wang W, Yuan Z, Sederoff RR, Sederoff H, Chiang VL, Borriss R. Microbial Interactions Within Multiple-Strain Biological Control Agents Impact Soil-Borne Plant Disease. Front Microbiol 2020; 11:585404. [PMID: 33162962 PMCID: PMC7581727 DOI: 10.3389/fmicb.2020.585404] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 09/14/2020] [Indexed: 12/16/2022] Open
Abstract
Major losses of crop yield and quality caused by soil-borne plant diseases have long threatened the ecology and economy of agriculture and forestry. Biological control using beneficial microorganisms has become more popular for management of soil-borne pathogens as an environmentally friendly method for protecting plants. Two major barriers limiting the disease-suppressive functions of biocontrol microbes are inadequate colonization of hosts and inefficient inhibition of soil-borne pathogen growth, due to biotic and abiotic factors acting in complex rhizosphere environments. Use of a consortium of microbial strains with disease inhibitory activity may improve the biocontrol efficacy of the disease-inhibiting microbes. The mechanisms of biological control are not fully understood. In this review, we focus on bacterial and fungal biocontrol agents to summarize the current state of the use of single strain and multi-strain biological control consortia in the management of soil-borne diseases. We discuss potential mechanisms used by microbial components to improve the disease suppressing efficacy. We emphasize the interaction-related factors to be considered when constructing multiple-strain biological control consortia and propose a workflow for assembling them by applying a reductionist synthetic community approach.
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Affiliation(s)
- Ben Niu
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Weixiong Wang
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Zhibo Yuan
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Ronald R. Sederoff
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
| | - Heike Sederoff
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, United States
| | - Vincent L. Chiang
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
| | - Rainer Borriss
- Institute of Biology, Humboldt University of Berlin, Berlin, Germany
- Institute of Marine Biotechnology e.V. (IMaB), Greifswald, Germany
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Yazid SNE, Jinap S, Ismail SI, Magan N, Samsudin NIP. Phytopathogenic organisms and mycotoxigenic fungi: Why do we control one and neglect the other? A biological control perspective in Malaysia. Compr Rev Food Sci Food Saf 2020; 19:643-669. [DOI: 10.1111/1541-4337.12541] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 01/03/2020] [Accepted: 01/08/2020] [Indexed: 01/06/2023]
Affiliation(s)
- Siti Nur Ezzati Yazid
- Laboratory of Food Safety and Food IntegrityInstitute of Tropical Agriculture and Food Security, Universiti Putra Malaysia Serdang Malaysia
| | - Selamat Jinap
- Laboratory of Food Safety and Food IntegrityInstitute of Tropical Agriculture and Food Security, Universiti Putra Malaysia Serdang Malaysia
- Department of Food Science, Faculty of Food Science and TechnologyUniversiti Putra Malaysia Serdang Malaysia
| | - Siti Izera Ismail
- Laboratory of Climate‐Smart Food Crop ProductionInstitute of Tropical Agriculture and Food Security, Universiti Putra Malaysia Serdang Malaysia
- Department of Plant ProtectionFaculty of AgricultureUniversiti Putra Malaysia Serdang Malaysia
| | - Naresh Magan
- Applied Mycology GroupCranfield Soil and AgriFood InstituteCranfield University Cranfield UK
| | - Nik Iskandar Putra Samsudin
- Laboratory of Food Safety and Food IntegrityInstitute of Tropical Agriculture and Food Security, Universiti Putra Malaysia Serdang Malaysia
- Department of Food Science, Faculty of Food Science and TechnologyUniversiti Putra Malaysia Serdang Malaysia
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Dislich C, Keyel AC, Salecker J, Kisel Y, Meyer KM, Auliya M, Barnes AD, Corre MD, Darras K, Faust H, Hess B, Klasen S, Knohl A, Kreft H, Meijide A, Nurdiansyah F, Otten F, Pe'er G, Steinebach S, Tarigan S, Tölle MH, Tscharntke T, Wiegand K. A review of the ecosystem functions in oil palm plantations, using forests as a reference system. Biol Rev Camb Philos Soc 2016; 92:1539-1569. [PMID: 27511961 DOI: 10.1111/brv.12295] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 07/07/2016] [Accepted: 07/11/2016] [Indexed: 11/28/2022]
Abstract
Oil palm plantations have expanded rapidly in recent decades. This large-scale land-use change has had great ecological, economic, and social impacts on both the areas converted to oil palm and their surroundings. However, research on the impacts of oil palm cultivation is scattered and patchy, and no clear overview exists. We address this gap through a systematic and comprehensive literature review of all ecosystem functions in oil palm plantations, including several (genetic, medicinal and ornamental resources, information functions) not included in previous systematic reviews. We compare ecosystem functions in oil palm plantations to those in forests, as the conversion of forest to oil palm is prevalent in the tropics. We find that oil palm plantations generally have reduced ecosystem functioning compared to forests: 11 out of 14 ecosystem functions show a net decrease in level of function. Some functions show decreases with potentially irreversible global impacts (e.g. reductions in gas and climate regulation, habitat and nursery functions, genetic resources, medicinal resources, and information functions). The most serious impacts occur when forest is cleared to establish new plantations, and immediately afterwards, especially on peat soils. To variable degrees, specific plantation management measures can prevent or reduce losses of some ecosystem functions (e.g. avoid illegal land clearing via fire, avoid draining of peat, use of integrated pest management, use of cover crops, mulch, and compost) and we highlight synergistic mitigation measures that can improve multiple ecosystem functions simultaneously. The only ecosystem function which increases in oil palm plantations is, unsurprisingly, the production of marketable goods. Our review highlights numerous research gaps. In particular, there are significant gaps with respect to socio-cultural information functions. Further, there is a need for more empirical data on the importance of spatial and temporal scales, such as differences among plantations in different environments, of different sizes, and of different ages, as our review has identified examples where ecosystem functions vary spatially and temporally. Finally, more research is needed on developing management practices that can offset the losses of ecosystem functions. Our findings should stimulate research to address the identified gaps, and provide a foundation for more systematic research and discussion on ways to minimize the negative impacts and maximize the positive impacts of oil palm cultivation.
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Affiliation(s)
- Claudia Dislich
- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany.,Department of Ecological Modelling, Helmholtz Centre for Environmental Research - UFZ, 04318, Leipzig, Germany
| | - Alexander C Keyel
- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Jan Salecker
- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Yael Kisel
- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Katrin M Meyer
- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Mark Auliya
- Department of Conservation Biology, Helmholtz Centre for Environmental Research - UFZ, 04318, Leipzig, Germany
| | - Andrew D Barnes
- Department of Systemic Conservation Biology, Faculty of Biology and Psychology, University of Göttingen, 37073, Göttingen, Germany
| | - Marife D Corre
- Department of Soil Science of Tropical and Subtropical Ecosystems, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Kevin Darras
- Department of Crop Sciences, Faculty of Agricultural Sciences, University of Göttingen, 37077, Göttingen, Germany
| | - Heiko Faust
- Department of Human Geography, Faculty of Geoscience and Geography, University of Göttingen, 37077, Göttingen, Germany
| | - Bastian Hess
- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Stephan Klasen
- Department of Development Economics, Faculty of Economic Science, University of Göttingen, 37073, Göttingen, Germany
| | - Alexander Knohl
- Department of Bioclimatology, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Holger Kreft
- Department of Biodiversity, Macroecology & Conservation Biogeography, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Ana Meijide
- Department of Bioclimatology, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
| | - Fuad Nurdiansyah
- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany.,Department of Crop Sciences, Faculty of Agricultural Sciences, University of Göttingen, 37077, Göttingen, Germany
| | - Fenna Otten
- Department of Human Geography, Faculty of Geoscience and Geography, University of Göttingen, 37077, Göttingen, Germany
| | - Guy Pe'er
- Department of Conservation Biology, Helmholtz Centre for Environmental Research - UFZ, 04318, Leipzig, Germany.,German Centre for Integrative Biodiversity Research (iDiv), 04103, Leipzig, Germany
| | - Stefanie Steinebach
- Institute of Social and Cultural Anthropology, Faculty of Social Sciences, University of Göttingen, 37073, Göttingen, Germany
| | - Suria Tarigan
- Department of Soil Sciences and Land Resources Management, Bogor Agriculture University, Bogor, Indonesia
| | - Merja H Tölle
- Department of Bioclimatology, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany.,Institute for Geography, University of Giessen, 35390, Giessen, Germany
| | - Teja Tscharntke
- Department of Crop Sciences, Faculty of Agricultural Sciences, University of Göttingen, 37077, Göttingen, Germany
| | - Kerstin Wiegand
- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, 37077, Göttingen, Germany
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Raza W, Ling N, Zhang R, Huang Q, Xu Y, Shen Q. Success evaluation of the biological control of Fusarium wilts of cucumber, banana, and tomato since 2000 and future research strategies. Crit Rev Biotechnol 2016; 37:202-212. [DOI: 10.3109/07388551.2015.1130683] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Waseem Raza
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu Province, P. R. China
| | - Ning Ling
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu Province, P. R. China
| | - Ruifu Zhang
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu Province, P. R. China
| | - Qiwei Huang
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu Province, P. R. China
| | - Yangchun Xu
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu Province, P. R. China
| | - Qirong Shen
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu Province, P. R. China
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Mehta CM, Palni U, Franke-Whittle IH, Sharma AK. Compost: its role, mechanism and impact on reducing soil-borne plant diseases. WASTE MANAGEMENT (NEW YORK, N.Y.) 2014; 34:607-22. [PMID: 24373678 DOI: 10.1016/j.wasman.2013.11.012] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Revised: 11/28/2013] [Accepted: 11/28/2013] [Indexed: 05/14/2023]
Abstract
Soil-borne plant pathogens are responsible for causing many crop plant diseases, resulting in significant economic losses. Compost application to agricultural fields is an excellent natural approach, which can be taken to fight against plant pathogens. The application of organic waste products is also an environmentally friendly alternative to chemical use, which unfortunately is the most common approach in agriculture today. This review analyses pioneering and recent compost research, and also the mechanisms and mode of action of compost microbial communities for reducing the activity of plant pathogens in agricultural crops. In addition, an approach for improving the quality of composts through the microbial communities already present in the compost is presented. Future agricultural practices will almost definitely require integrated research strategies to help combat plant diseases.
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Affiliation(s)
- C M Mehta
- Department of Biological Sciences, College of Basic Science and Humanities, G. B. P. U. A. & T. Pantnagar, U.S. Nagar, Uttarakhand, India; Department of Botany, D.S.B. Campus, Kumaun University Nainital, Uttarakhand, India
| | - Uma Palni
- Department of Botany, D.S.B. Campus, Kumaun University Nainital, Uttarakhand, India
| | - I H Franke-Whittle
- Leopold-Franzens University, Institute of Microbiology, Technikerstraße 25, 6020 Innsbruck, Austria
| | - A K Sharma
- Department of Biological Sciences, College of Basic Science and Humanities, G. B. P. U. A. & T. Pantnagar, U.S. Nagar, Uttarakhand, India.
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Diversity and chemotaxis of soil bacteria with antifungal activity against Fusarium wilt of banana. J Ind Microbiol Biotechnol 2012; 39:1495-505. [PMID: 22763749 DOI: 10.1007/s10295-012-1163-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2012] [Accepted: 06/13/2012] [Indexed: 10/28/2022]
Abstract
The chemotactic response of bacteria to root exudates plays an important role in the colonization of bacteria in the rhizosphere. In this study, 420 strains of antifungal bacteria against Fusarium oxysporum f. sp. cubense (Foc) were screened for chemotaxis based on a cheA molecular diagnostic method. A total of 124 strains with antifungal efficiencies of 27.26-67.14 % generated a characteristic band of cheA. The chemotaxis of 97 bacterial strains producing a cheA band was confirmed using the drop assay and swarm plate assay using catechol, p-hydroxybenzoic acid, salicylic acid, and asparagine as the attractants. A phylogenetic analysis based on restriction fragment length polymorphisms (RFLPs) and 16S rDNA sequences indicated that the 124 chemotactic antagonists of Foc were affiliated with 18 species of Paenibacillaceae, Bacillaceae, Streptomycineae, Enterobacteriaceae, and Pseudomonadaceae. The chemical composition of banana root exudates were analyzed by GC-MS, and 62 compounds, including alkanes, alkenes, naphthalenes, benzenes, and alcohols, were evaluated. Five representative antagonists of Foc showed 1.76- to 7.75-fold higher chemotactic responses than the control to seven compounds in banana root exudates, as determination by capillary assays.
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Cao JB, Li XM, Ouyang YZ, Zheng W, Wang DB, Shen TT, Yue X, Yang Q. Manganese-electrolysed slag treatment: bioleaching of manganese by Fusarium sp. ENVIRONMENTAL TECHNOLOGY 2012; 33:1307-1312. [PMID: 22856303 DOI: 10.1080/09593330.2011.624125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A fungi strain named Fusarium sp. was isolated from manganese-electrolysed slag by using a gradient dilution spread plate method, identified by 26S RNA sequence analysis and phylogenetic tree analysis, and explored for the bioleaching capacity to manganese (II) from manganese-electrolysed slag in liquid mineral medium under different environmental conditions, including system temperature, incubator rotation speed and initial pH value. DNA sequence and phylogenetic analysis indicated the name of this fungi strain, that is, Fusarium sp., and higher bioleaching efficiencies (71.6%) of manganese by this fungi were observed when the bioleaching was carried out under the optimized conditions as follows: contact time: 72 h; system temperature: 28 degrees C; inoculums concentration: 2% (v/v); incubator rotation speed: 150 rpm; pH 4.0. Because of its low cost, environment friendliness and better efficiency, the bioleaching technique will have a significant impact on manganese-electrolysed slag pollution mitigation.
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Affiliation(s)
- Jian-Bing Cao
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China
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Al-Hetar MY, Zainal Abidin MA, Sariah M, Wong MY. Antifungal activity of chitosan against Fusarium oxysporum f. sp. cubense. J Appl Polym Sci 2010. [DOI: 10.1002/app.33455] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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