NUTRIENTES MINERAIS NO LIMBO FOLIAR DE GENÓTIPOS DE VIDEIRA CULTIVADOS NO NORTE FLUMINENSE
2011
PATRÍCIA GOMES DE OLIVEIRA PESSANHA | ALEXANDRE PIO VIANA | ALMY JÚNIOR CORDEIRO DE CARVALHO | JURANDI GONÇALVES DE OLIVEIRA
The objective of this study was to characterize the level of mineral nutrients N, P, K, Ca, Mg, S, Mn, Fe, Zn, Cu, Mo and B of twelve genotypes of grapevine: 'Italy', 'Ruby' , 'Patricia', 'Isabel', 'Redglobe', 'Roberta', 'Kyoho', 'Romana', 'Rosalinda', 'Moscatel de Hamburgo,' 'Niagara Rosada' and 'UFV 01' in the North Fluminense. Was held on pruning, followed by fertilization and conventional analysis of leaf blade in three moments of the reproductive cycle of the vine: in full bloom, berries and peas at the stage between half and beginning of berry ripening of berries (veraison). Following results were obtained for all moments sampled: normal levels of N, K, P, Mg, Fe, B and Zn and subnormal levels of Ca. The study demonstrated that the leaf blade sampled reflects the nutritional stage of grapevine enotypes.
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