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Effects of non-chemical soil fumigant treatments on root colonisation with arbuscular mycorrhizal fungi and strawberry fruit production |
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| Institution: | 1. Agricultural Institute of Slovenia, Department of Fruit and Vine Growing, Hacquetova ulica 17, SI-1000 Ljubljana, Slovenia;2. University of Ljubljana, Biotechnical Faculty, Department of Biology, Ve?na pot 111, SI-1000 Ljubljana, Slovenia;1. University of California Cooperative Extension, 1432 Abbott Street, Salinas, CA 93901, USA;2. Department of Plant Pathology, 1 Shields Avenue, University of California, Davis, CA 95616, USA;1. Department of Sustainable Agro-ecosystems and Bioresources, Research and Innovation Centre, Fondazione Edmund Mach (FEM), S. Michele all’Adige, Italy;2. Dipartimento di Scienze delle Produzioni Agroalimentari e dell’Ambiente, Università degli Studi di Firenze, Firenze, Italy;3. DIPROVES, Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Piacenza, Italy;1. Helmholtz Centre for Environmental Research GmbH – UFZ, Department Environmental Microbiology, Permoserstraße 15, D-04318 Leipzig, Germany;2. Universidade Federal de Pernambuco, Departamento de Micologia – CCB, Av. Professor Nelson Chaves, S/N – Cidade Universitária, 50670-420 Recife, PE, Brazil;3. Agroscope, Federal Research Institute of Sustainability Sciences, Plant-Soil Interactions, Reckenholzstrasse 191, CH-8046 Zürich, Switzerland;1. University of the Santa Catarina State, Soil Science Dept., Av. Luiz de Camões, 2090, 88520-000 Lages, SC, Brazil;2. Community University of Chapecó Region, Depto. Exact and Environmental Sciences, Servidão Anjo da Guarda, 295D, 89809-900 Chapecó, SC, Brazil;3. University of the Santa Catarina State, Dept. of Animal Science, R. Beloni Trombeta Zanin, 680E, 89815-630 Chapecó, SC, Brazil;1. Departamento de Física, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Pampulha, 31.270-901 Belo Horizonte, MG, Brazil;2. Departamento de Ciências Agronômicas, Instituto Nacional de Pesquisas da Amazônia, Manaus, 69011-970 AM, Brazil;3. Departamento de Microbiologia, ICB, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Pampulha, 31.270-901, Belo Horizonte, MG, Brazil;4. Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Pampulha, 31.270-901, Belo Horizonte, MG, Brazil;5. INMETRO, Xerém, Duque de Caxias, RJ 25250-020, Brazil;1. Departamento de Producción Agraria, Escuela Técnica Superior Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid, Avd. Complutense s/n, 28040 Madrid, Spain;2. Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcka 129, Prague, 6-Suchdol, 16500, Czech Republic |
| Abstract: | The effects of biofumigation and soil heating on arbuscular mycorrhizal fungi (AMF) colonisation, strawberry growth and strawberry yield in pot experiments compared with untreated soil and chemical fumigation with dazomet were tested. Three different Brassicaceae species (Brassica juncea, Eruca sativa, Sinapis alba) were used as biofumigant plant green manure and soil heating was applied to simulate soil solarisation. Half of the plants were inoculated with indigenous arbuscular mycorrhizal fungi inoculum. With one exception (E. sativa) among the uninoculated plants, the treatments significantly decreased the mycorrhizal colonisation parameters compared with the untreated control. Dazomet displayed the greatest inhibitory effects on AMF establishment. In addition, the intensity and number of bands corresponding to Glomus spp. obtained with temporal temperature-gradient gel electrophoresis were lower for strawberry plants from biofumigant treatments than from the control. For the inoculated plants, there were almost no significant differences among the mycorrhizal colonisation parameters. The mass of leaves for the uninoculated and inoculated plants was higher for almost all non-chemical soil fumigant treatments compared with the control, except for heating of the uninoculated treatments. The number of strawberry fruits for the uninoculated biofumigant treatments was the highest, being higher than the values observed for the heating treatments, the chemical disinfection treatments and the control. There were no significant differences among the inoculated treatments. Biofumigation with Brassicaceae species resulted in higher soil organic matter and mineral nutrients and had a relatively small effect on AMF colonisation (F% = 59.0, 80.3, 47.3 for Bj, Es and Sa, respectively) compared with uninoculated controls (F% = 84.3). Despite the reduced AMF colonisation, biofumigation resulted in a higher fruit number and mass of leaves. Therefore, it represents a non-chemical soil fumigation method that should be applied in sustainable strawberry production. |
| Keywords: | Arbuscular mycorrhizal fungi (AMF) Biofumigant plants Temporal temperature gradient gel electrophoresis (TTGE) AMF"} {"#name":"keyword" "$":{"id":"kwrd0035"} "$$":[{"#name":"text" "_":"arbuscular mycorrhizal fungi Bj"} {"#name":"keyword" "$":{"id":"kwrd0045"} "$$":[{"#name":"text" "$$":[{"#name":"italic" "_":"Brassica juncea DSE"} {"#name":"keyword" "$":{"id":"kwrd0055"} "$$":[{"#name":"text" "_":"dark septate endophyte Es"} {"#name":"keyword" "$":{"id":"kwrd0065"} "$$":[{"#name":"text" "$$":[{"#name":"italic" "_":"Eruca sativa HPLC"} {"#name":"keyword" "$":{"id":"kwrd0075"} "$$":[{"#name":"text" "_":"high-performance liquid chromatography Sa"} {"#name":"keyword" "$":{"id":"kwrd0085"} "$$":[{"#name":"text" "$$":[{"#name":"italic" "_":"Sinapis alba TTGE"} {"#name":"keyword" "$":{"id":"kwrd0095"} "$$":[{"#name":"text" "_":"temporal temperature gradient gel electrophoresis |
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