Data/hora: 10/06/2024 14:26:09

Provedor de dados: | 53
País: | Brazil
Título: | Electrical conductivity of the nutrient solution and plant density in aeroponic production of seed potato under tropical conditions (winter/spring)
Autores: | Calori,Alex Humberto; Factor,Thiago Leandro; Feltran,José Carlos; Watanabe,Eduardo Yuji; Moraes,Carolina Cinto de; Purquerio,Luís Felipe Villani.
Data: | 2017-03-01
Ano: | 2017
Palavras-chave: | Solanum tuberosum L.; Greenhouse; Pre-basic seed potato; Soilless production; Spatial arrangement; Plant nutrition.
Resumo: | ABSTRACT The recent introduction in Brazil of production of quality seed potatoes in hydroponic systems, such as aeroponics, demands studies on the nutritional and crop management. Thus, this study evaluated the influence of electrical conductivity of the nutrient solution and plant density on the seed potato minitubers production in aeroponics system. The Agata and Asterix cultivars were produced in a greenhouse under tropical conditions (winter/spring). The experimental design was a randomized block in a split-split plot design. The plot consisted of 4 electrical conductivities of the nutrient solution (1.0; 2.0; 3.0; and 4.0 dS∙m−1); the subplot, of 4 plant densities (25; 44; 66; and 100 plants∙m−2); and the subsubplot, of the 2 potato cultivars (Ágata and Asterix), totaling 4 blocks. The 2.2 and 2.1 dS∙m−1 electrical conductivities yielded the highest productivity of seed potato minitubers, for Ágata and Asterix cultivars, respectively, regardless of plant density. For both cultivars, the highest yield was observed for the 100 plants∙m−2 density.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052017000100023
Editor: | Instituto Agronômico de Campinas
Relação: | 10.1590/1678-4499.022
Formato: | text/html
Fonte: | Bragantia  v.76 n.1 2017
Fonte: | info:eu-repo/semantics/openAccess