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Provedor de dados:  Ciência Rural
País:  Brazil
Título:  Substrate and irrigation scheme on the growth of Parapiptadenia rigida (angico-vermelho) seedlings
Autores:  Dutra,Adriana Falcão
Araujo,Maristela Machado
Turchetto,Felipe
Rorato,Daniele Guarienti
Aimi,Suelen Carpenedo
Gomes,Daniele Rodrigues
Nishijima,Toshio
Data:  2016-06-01
Ano:  2016
Palavras-chave:  Rigida
Irrigation
Production of seedlings.
Resumo:  ABSTRACT: Parapiptadenia rigida (angico-vermelho) is a native arboreal species widely found in central and southern Brazil and is indicated for restoration of degraded areas due to its high plasticity to light gradients and ease adaptation to degraded environments. However, there is still a lack of information on this species regarding the production of quality seedlings, as well as the rational use of the resources involved. Thus, the objective of this study was to evaluate the effects of different substrates and irrigation schemes in the development of P. rigida seedlings. The experimental design used was randomized blocks, in a factorial scheme with split plots, with four substrate formulations (100% peat; 80% peat + 20% carbonized rice husk (CRH); 60% peat + 40% CRH; 40% peat + 60% CRH) and six irrigation schemes (4; 8; 12; 16; 20 and 24mm.day-1). At 180 days after emergence, the following parameters were evaluated: height, stem diameter, height and stem diameter ratio, shoot dry weight, root dry weight, total dry weight and Dickson Quality Index. Use of substrate composed of 80% peat + 20% carbonized rice husk and/or 100% peat, combined with irrigation scheme of 4mm day-1, resulted in the best growth of P. rigida seedlings.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000601007
Editor:  Universidade Federal de Santa Maria
Relação:  10.1590/0103-8478cr20141732
Formato:  text/html
Fonte:  Ciência Rural v.46 n.6 2016
Direitos:  info:eu-repo/semantics/openAccess
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