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Revista Brasileira de Fruticultura

Print version ISSN 0100-2945


BRASIL, Edilson Carvalho  and  NASCIMENTO, Emerson Vinicius Silva do. Influence of limestone and phosphorus in development and production of varieties of yellow passion fruit. Rev. Bras. Frutic. [online]. 2010, vol.32, n.3, pp.892-902.  Epub Sep 24, 2010. ISSN 0100-2945.

Aiming to evaluate the effect of the application of lime and phosphorus on the development of seedling of two passion fruit varieties, a pot trial was carried out under greenhouse conditions at the Institute of Agricultural Sciences of the Rural Federal University of Amazônia (UFRA), using samples of an Oxisol. The experimental design used was randomized blocks, in factorial scheme 4x4x2 with 16 treatments and 4 repetitions. The factors studied had been four doses of phosphorus (0, 100, 200 and 300 mg dm-3 of P) in the triple superphosphate form (SFT); four levels of saturation for bases (initial = 15%, 40%, 65%80 and 90%) and two varieties of passion fruit, (yellow and Embrapa Oriental Amazônia). As corrective agent to soil acidity were used calcium (CaCO3) and magnesium (MgCO3) carbonate. At 50 days after planting, it was evaluated: plant height, stem diameter and dry matter of shoots. The liming and phosphorus application influenced positively the development and the dry mater of passion fruit plants. The greatest dry matter production was obtained with combined application of 160 mg dm-3 of P in soil with the base saturation of 47%, which was associated with concentrations of P and Ca of 143 mg dm-3 and 2,9 cmolc dm-3 in the soil, and contents of 2,6 and 10,8 g kg-1 in the shoot dry matter, respectively. The CPATU variety was superior in terms of average diameter of stem and dry matter production of shoots.

Keywords : Calcium carbonate; Phosphate; Passiflora edulis.

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