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Comparison of petiole nutrient contents of different table and wine grape varieties

A study was conducted to know the petiole nutrient content in different grape genotypes belonging to table purpose white and coloured types along with wine grape types. Petiole nutrient contents among three different grapes types varied significantly. Petiole P, K, Mn and Zn contents among the three grape types varied in the order: table white > table coloured > wine grape. Petiole P, Ca, Mn and Cu content of wine and table purpose white type differed significantly, where as other macro and micro nutrients did not differ significantly. Table purpose white varieties recorded significantly higher P, Mn and Cu content in petiole compared to wine grape. Ca content was found highest in wine grape compared to table white and coloured grape. | Comparison of petiole nutrient contents of different table and wine grape varieties