Fertilisation of Quercus seedlings inoculated with Tuber melanosporum: effects on growth and mycorrhization of two host species and two inoculation methods
Sergi Garcia-Barreda (1-2) , Sara Molina-Grau (3), Santiago Reyna (4)
iForest - Biogeosciences and Forestry, Volume 10, Issue 1, Pages 267-272 (2016)
doi: https://doi.org/10.3832/ifor2096-009
Published: Dec 13, 2016 - Copyright © 2016 SISEF
Research Articles
Abstract
Modern truffle cultivation is based on use of inoculated seedlings, which should exhibit highly colonised roots as well as a vegetative quality enhancing field plant performance. However, poor shoot and fine root growth has been a frequent issue in inoculated Quercus seedlings production. Fertilisation is a common solution in forest nurseries, but high fertilisation levels have been found to inhibit the formation of ectomycorrhizas of many fungal species. The influence of slow-release fertilisation (52 mg N, 26 mg P and 36 mg K per seedling) on growth and ectomycorrhizal status of Tuber melanosporum-inoculated seedlings was evaluated. Host species Quercus ilex and Quercus faginea and inoculation methods involving root-dipping and root-powdering were tested. Fertilisation increased weight of both host species without significant detrimental effects on ectomycorrhizal colonisation, showing that it can be effectively used in inoculated seedlings production. Both host species showed similar response to fertilisation. The inoculation method affected seedling weight and ectomycorrhizal status, suggesting that some inoculant carriers are able to damage Quercus development and T. melanosporum colonisation. The study provided an important basis for fine-tuning the use of fertilisers in truffle-inoculated seedling production.
Keywords
Fertilisation, Seedling, Nursery, Ectomycorrhizal, Inoculation
Authors’ Info
Authors’ address
Unidad de Recursos Forestales, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza (Spain)
Centro de Investigación y Experimentación en Truficultura de la Diputación de Huesca, Polígono Fabardo s/n, 22430 Graus (Spain)
Fundación Centro de Estudios Ambientales del Mediterráneo, C/ Charles Darwin 14 Parque Tecnológico, 46980 Paterna (Spain)
ETS Ingeniería Agronómica y del Medio Natural, Universitat Politècnica de València, Camino de Vera s/n, 46021 Valencia (Spain)
Corresponding author
Paper Info
Citation
Garcia-Barreda S, Molina-Grau S, Reyna S (2016). Fertilisation of Quercus seedlings inoculated with Tuber melanosporum: effects on growth and mycorrhization of two host species and two inoculation methods. iForest 10: 267-272. - doi: 10.3832/ifor2096-009
Academic Editor
Andrea Cutini
Paper history
Received: Apr 27, 2016
Accepted: Aug 22, 2016
First online: Dec 13, 2016
Publication Date: Feb 28, 2017
Publication Time: 3.77 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2016
Open Access
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