Viability production of the grapevine 'Syrah', during the autumn-winter cycle, in the south of Minas Gerais

Some agronomic parameters of grapevine 'Syrah' during the autumn-winter cycle were evaluated in 2005 and 2006 crops in a non irrigated vineyard located in Três Corações- MG. The complete cycle, sprouting percentage and fertility of buds, production, rottenness incidence, leaf surface, predawn leaf water potential, carbon assimilation rate, temperature near the bunch, total soluble solids, titratable acidity and pH were evaluated from veraison to harvest. It was concluded that, for the climatic conditions of the coffee region of south Minas Gerais, the modification of grapevine cycle, in a non irrigated vineyard is possible, remaining indices of productivity between 6,16 e 7,70t.ha-1.

pruning; production cycle; photosynthesis rate; water potential; Vitis vinifera L


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