<b>ITALY AND RUBI GRAPEVINES NUTRITIONAL STATE EVALUATION IN MARIALVA CITY, STATE OF PARANÁ</b> - DOI: 10.4025/actasciagron.v31i1.3698

Abstract

The technique of the diagnosis nutritional, for ends of recommendation of more rational and economical manuring in the wine growing, lacks methodological patterns for the regional conditions of cultivation of the grapevine. With the objective of to evaluate and to adjust the standard values, or strips limits, of diagnosis nutritional for vines, with base in three diagnosis methodologies to foliate, seeking better evaluation of the state nutritional of the vineyards; the state nutritional of 30 commercial vineyards of the variety of table grape Italy was evaluated and of 33 vineyards of the variety Ruby, in the municipal district of Marialva, Northwest area of the state of Paraná, evaluating the diagnosis methodologies to foliate of California, of Michigan and of South Africa, in the normal crop of 2002. Productivity data were evaluated, matter evaporates and macro texts and micronutrients. The fittings in the patterns were made by the method of the critical level through the approach of the reduced normal distribution (NCRIz). The results showed that the methodology of California didn't show adapted for to the conditions of Marialva, the others with some fittings can be used for it diagnosis nutritional of the vine of the municipal district of Marialva.