Doses of Osmocote® in the acclimatization of micropropagated plantlets of Anthurium maricense

Autor: A. S. Campos, Carlos Alberto Kenji Taniguchi, G. V. do Bomfim, A. C. P. P. de Carvalho, B. M. de Azevedo
Přispěvatelé: Embrapa Agroindústria Tropical. Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), ARLENE SANTISTEBAN CAMPOS, Departamento de Ciência do Solo, Centro de Ciências Agrárias, Universidade Federal do Ceará, ANA CRISTINA PORTUGAL P DE CARVALHO, CNPAT, CARLOS ALBERTO KENJI TANIGUCHI, CNPAT., BENITO MOREIRA DE AZEVEDO, Departamento de Engenharia Agrícola, Centro de Ciências Agrárias, Universidade Federal do Ceará, GUILHERME VIEIRA DO BOMFIM, Departamento de Engenharia Agrícola, Centro de Ciências Agrárias, Universidade Federal do Ceará
Jazyk: portugalština
Rok vydání: 2019
Předmět:
Zdroj: AGRO@MBIENTE
JOURNALRAGR; Vol. 13 (2019): Edição Continuada; 14-23
REVISTA AGRO@MBIENTE ON-LINE; Vol. 13 (2019): Edição Continuada; 14-23
REVISTA AGRO@MBIENTE ON-LINE; v. 13 (2019): Edição Continuada; 14-23
Agro@mbiente on-line
Universidade Federal de Roraima (UFRR)
instacron:UFRR
Revista Agro@mbiente On-line; v. 13 (2019): Edição Continuada; 14-23
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
ISSN: 1982-8470
Popis: Anthurium maricense is a tropical ornamental species with great commercial potential in the areas of landscaping and potted foliage plants. One of the main obstacles in the production of micropropagated anthurium plantlets is its slow development and/or the low survival rate of the plantlets during the acclimatization stage. The use of slow-release fertilisers (SRF) can accelerate this process; however, there are no reports in the literature concerning this practice during acclimatization of micropropagated plantlets of this species. As such, in the present study, the effects of different doses of SRF on the development of micropropagated plantlets of Anthurium maricense were evaluated during the acclimatization stage in a screenhouse. The experiment was carried out in a completely randomised design, with five treatments and four replications of four plantlets per plot. The treatments comprised doses of 0.0, 2.5, 5.0, 7.5 and 10.0 kg m-3 of the SRF Osmocote® (NPK 15:9:12) added to the substrate. The variables under evaluation were the variation in plant height, in the number of leaves and in the area of the largest leaf, pot occupancy, net photosynthetic rate, internal carbon, and leaf temperature and moisture. The use of SRF promoted better development of the micropropagated plantlets of A. maricense during the acclimatization stage. Of the variables under analysis, the variation in the area of the largest leaf is the most important, since the commercial interest of the studied species is the foliage, which was at its maximum with an estimated dose of Osmocote® of 6.40 kg m-3.
Databáze: OpenAIRE