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Provedor de dados:  Horticultura Brasileira
País:  Brazil
Título:  Vertical growth of mini watermelon according to the training height and plant density
Autores:  Campagnol,Rafael
Mello,Simone da C
Barbosa,José Carlos
Data:  2012-12-01
Ano:  2012
Palavras-chave:  Citrullus lanatus
Growth density
Plant spacing
Training systems
Resumo:  The watermelon is traditionally cultivated horizontally on the ground. The cultivars of small fruits (1 to 3 kg), which reach better market prices, are also being grown in a greenhouse, where the plants are trained upward on vertical supports, with branches pruning and fruits thinning. These practices make possible an increase of the plant density, fruit quality and yield compared to the traditional growth system. The aim of this experiment was to evaluate the influence of three training heights (1.7, 2.2 and 2.7 m) and two planting densities (3.17 and 4.76 plants m-2) over the productive and qualitative characteristics of mini watermelon "Smile" cultivated in greenhouse. The pruning was done at 43, 55 and 66 days after transplanting (DAT), when the plant height reached 1.7, 2.2 and 2.7 m, respectively. The dry mass of branches, petioles, leaves and total were affected by the training height, where the highest values were obtained by the plants pruned at 2.2 and 2.7 m. Leaf area, specific leaf area and leaf area index were not affected by the height of the plants. The training height of 2.7 m raised the total yield, however, marketable yield, average fruit mass and all the quality characteristics did not differ significantly from those obtained by the training height of 2.2 m. Regarding to plant density, the best option was 4.76 plants m-2, due to the increasing of marketable yield in 37.4% without reducing the average weight of fruits.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Associação Brasileira de Horticultura
Relação:  10.1590/S0102-05362012000400027
Formato:  text/html
Fonte:  Horticultura Brasileira v.30 n.4 2012
Direitos:  info:eu-repo/semantics/openAccess

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