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Revista Brasileira de Fruticultura

versão impressa ISSN 0100-2945versão On-line ISSN 1806-9967

Resumo

DIAS, DANIEL GONÇALVES; PEGORARO, RODINEI FACCO; MAIA, VICTOR MARTINS  e  MEDEIROS, ANANIAS COSTA. PRODUCTION AND POSTHARVEST QUALITY OF IRRIGATED PASSION FRUIT AFTER N-K FERTILIZATION. Rev. Bras. Frutic. [online]. 2017, vol.39, n.3, e-553.  Epub 17-Ago-2017. ISSN 0100-2945.  http://dx.doi.org/10.1590/0100-29452017553.

Studies with nitrogen and potassium in yellow passion fruit cultivars with high yield potential are scarce in semiarid regions. The aim of this study was to evaluate the influence the N and K doses on productivity and fruit quality of different passion fruit cultivars in irrigated conditions in the northern of Minas Gerais state. The study was installed at experimental farm located in Janaúba-MG. This area was located at 15º 47’ S and 43º 18’ W, 516 m above sea level. The experiment was in completely randomized block with four replications, arranged in 4 x 6 factorial design consisting of four Passion Fruit cultivars (BRS Sol do Cerrado, BRS Ouro Vermelho, BRS Gigante Amarelo, IAC 275) and six N and K doses, which corresponded to 0-0, 50-125, 100-250, 150-375, 200 -500 and 250-625 kg ha-1 yr-1 of N and K2O, respectively. BRS Gigante Amarelo and BRS Sol do Cerrado cultivars showed higher productivity. Total fruit yield and average fruit weight were higher for BRS Sol do Cerrado and IAC 275, BRS Gigante Amarelo and BRS Ouro Vermelho cultivars, respectively. IAC 275 showed the highest pulp yield and along with BRS Sol do Cerrado, showed the higher soluble solids/titratable acidity ratio. BRS Sol do Cerrado, BRS Gigante Amarelo and IAC 275 cultivars showed higher pulp productivity, indicating that they are more promising for passion fruit juice industry.

Palavras-chave : Semiarid; Cultivars; Productivity; Passiflora edulis Sims f. falvicarpa Deg.

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