Data/hora: 14/06/2024 15:41:38

Provedor de dados: | 91
País: | Brazil
Título: | Arbuscular mycorrhizal fungi and auxin associated with microelements in the development of cuttings of Varronia leucocephala
Autores: | Fernandes,Mônica D. S. da S.; Morais,Marciana B. de; Mesquita-Oliveira,Francisco F.; Ulisses,Cláudia; Medeiros,José F. de; Albuquerque,Cynthia C. de.
Data: | 2019-03-01
Ano: | 2019
Palavras-chave: | Boron; Rooting; Zinc.
Resumo: | ABSTRACT The plant Varronia leucocephala is widely used in Brazil for its therapeutic properties. However, a major problem for the seedlings is the low percentage of root formation. The objective of this study was to establish a rooting protocol for V. leucocephala cuttings, using phytoregulators and microelements associated with arbuscular mycorrhizal fungi. The auxin indole-3-butyric acid (IBA) concentration of 1500 mg L-1 showed the best rooting percentage, and it is proposed associating the microelements zinc and boron with the highest IBA doses. Although an increase in the rooting percentage was observed in the presence of zinc, it was not the most suitable for improving the percentage of propagation. Consequently, association of arbuscular mycorrhizal fungi with 1500 mg L-1 IBA plus zinc was selected to evaluate the rooting percentage and sprouting of the aerial part, dry biomass of roots and aerial part, number of leaves, height, mycorrhizal colonization and dependency, spore density, and nutrients of branches and roots. These results show that using zinc with the highest doses of IBA (1500 mg L-1) in plants inoculated with the arbuscular mycorrhizal fungus (Gigaspora albida) was the most effective at promoting the vegetative propagation of V. leucocephala.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000300167
Editor: | Departamento de Engenharia Agrícola  - UFCG
Relação: | 10.1590/1807-1929/agriambi.v23n3p167-174
Formato: | text/html
Fonte: | Revista Brasileira de Engenharia Agrícola e Ambiental  v.23 n.3 2019
Fonte: | info:eu-repo/semantics/openAccess