Acúmulo de macronutrientes em cultivares de crisântemo para vaso, em Goianira – GO
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Data
2012
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Resumo
The chrysantemum ornamental potential is expressed by meeting its nutritional requirements. This nutrient demand
may vary both during the crop cycle and between cultivars. This paper describes the macronutrients accumulation
in the following vase-grown chrysanthemum cultivars: White Diamond - WD; Eugene Yellow – EY; and Durban
- DB. The experiment was conducted under nursery farm conditions in Goianira, Goiás, Brazil, between August
and October, 2007, using a randomized experimental design in a 3 x 5 factorial scheme, with three cultivars,
five growth stages and five replications. Data were collected at 20, 34, 48, 62 and 76 days after planting (DAP).
The accumulation of N, P and K in leaves, stems, inflorescences and the global sum of its parts was quantified.
The nutrients accumulation in different plant organs differed among cultivars. For cultivar WD, N and K accumulated
in greater amounts in the inflorescences and P, in the leaves. For EY, the highest accumulation of N and K was
in the leaves and for P, in the stems. For cultivar DB, the most expressive accumulation of N, P and K was
observed in the inflorescences. For all the macronutrients assessed, accumulation increased at each time point,
reaching a maximum at 76 DAP. The accumulation scale for macronutrients was K> N> P.
Descrição
Palavras-chave
Absorção de nutrientes, Dendrantema grandiflorum, Acúmulo de nutrientes, Nutrient absorption, Nutrient accumulation, Dendrantema grandiflorum
Citação
FERREIRA, Luciana D. B.; FERNANDES, Eliana P.; FERREIRA, Marcos D.; LEANDRO, Wilson M. Acúmulo de macronutrientes em cultivares de crisântemo para vaso, em Goianira GO. Revista Brasileira de Ciências Agrárias, Recife, v. 7, n. 1, p. 9-16, jan./mar. 2012.