Eucalyptus essential oil action on mycorrhizal colonization and the establishment of Eucalyptus grandis in soil contaminated by copper
DOI:
https://doi.org/10.4336/2011.pfb.31.67.245Keywords:
Heavy metals, Secondary metabolites, EctomycorrhizalAbstract
The use of eucalyptus essential oil can optimize the growth of ectomycorrhizal isolates, which aid the establishment of forest species in soils contaminated by copper. The study aimed to determine the best application of eucalyptus essential oil in the formation of mycorrhizal seedlings of Eucalyptus grandis and its influence on the establishment of these seedlings in soil contaminated by copper. It was used the ectomycorrhizal fungi (fECM) Pisolithus microcarpus. The application forms of the essential oil were evaluated in a greenhouse, by means of six treatments. Subsequently, the seedlings were transplanted and evaluated in soil contaminated by copper, greenhouse and field. It was determined height, diameter, fresh and dry weight of shoots and roots, copper content in plant, colonization and survival in the field. The essential oil of E. grandis supports the growth of mycorrhizal of eucalyptus seedlings, particularly when applied to the substrate. The application of essential oil increases the colonization, promoting growth and survival of seedlings under greenhouse conditions and field.
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Copyright (c) 2011 Ricardo Bemfica Steffen, Zaida Inês Antoniolli, Gerusa Pauli Kist Steffen, Rodrigo Josemar Seminoti Jacques, Rodrigo Ferreira da Silva
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