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| Format: | Artículo científico |
| Language: | en |
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Universidade Federal de Lavras
2017
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| Online Access: | https://www.redalyc.org/articulo.oa?id=74451402011 |
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Table of Contents:
- Parapiptadenia rigida MYCORRHIZATION WITH SPORES OF Scleroderma citrinum Gerusa Pauli Kist Steffen Ricardo Bemfica Steffen Rosana Matos de Morais Cleber Witt Saldanha Joseila Maldaner Táscilla Magalhães Loiola Agrociencias Red angico Essential oils Ectomycorrhizae Forestry production Mycorrhization method Ectomycorrhizal fungal inoculation in forestry seedlings aids plant establishment and growth in the field. The objectives of this study were: to determine the mycorrhizal capacity of the ectomycorrhizal fungus Scleroderma citrinum in Parapiptadenia rigida (red angico) seedlings and to evaluate the viability of a mycorrhizal inoculation technique for forest seedlings involving the use of spores. Mature spores were inoculated in the substrate (75% soil and 25% carbonized rice husk), totaling 1.5 grams of fungal spores per liter of substrate. P. rigida seeds were sown in substrates inoculated or not inoculated with fungal spores in presence or absence of Pinus echinata and Eucalyptus citriodora essential oil : not inoculated (T1), inoculated (T2), inoculated more pine essential oil (T3), inoculated more eucalyptus essential oil (T4). Seedlings of Pinus elliottii were used for a positive control of mycorrhizal inoculation (T5) and not inoculated (T6) with fungal spores. At 90 days after sowing, the base stem diameter, height, fresh and dry weight of shoots and roots, percentage of root colonization and Dickson Index were determined. The presence of fungal structures in P. rigida and P. elliottii roots inoculated with S. citrinum spores was observed, demonstrating the occurrence of an ectomycorrhizal association. The application of pine and eucalyptus essential oils in the substrate increased the percentage of ectomycorrhizal colonization in P. rigida seedlings. The addition of S. citrinum mature spores in the substrate used for seedling production is a viable practice for ectomycorrhizal inoculation and it can be used in forest nurseries in controlled mycorrhization programs. 2017 artículo científico 0104-7760 https://www.redalyc.org/articulo.oa?id=74451402011 en http://www.redalyc.org/revista.oa?id=744 CERNE application/pdf Universidade Federal de Lavras CERNE (Brasil) Num.2 Vol.23