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RESEARCH PRODUCT

Growth analysis and mineral content in pistachio (Pistacia veraL.) infructescence and its components

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SummaryGrowth and seasonal variation in mineral content was described for infructescence components of ‘Bianca’ pistachio cultivar grafted onto Pistacia therebintus L. The absorption curve specific to each infructescence and fruit component was calculated on a percent dry weight and an absolute content basis. Nutrient uptake by infructescence components was consistent with their development rate. The embryo was the strongest sink for N, P and Mg uptake. Pericarp and rachis accounted for more than 80% of K and Ca accumulated in the infructescence. The highest accumulation rate occurred during rapid embryo growth.