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Variation in the chemical composition of potato tubers of three cultivars during the growing season

In the rain season of 1982-1983 (November-January), it was studied the dynamics of accumulation of reserve substances and total glycoalkaloids in growing tubers of the Brazilian potato cultivars Aracy (IAC-2), Itaiquara (IAC-355 1) and Teberê (IAC-4489). Data are related to three sampling dates, 64, 79 and 111 days after planting (DAP). Tubers of Aracy (IAC-2) had the highest dry matter, protein, ash, total polisacharides and soluble e sugar contenta.

Solanum tuberosum L.; chemical composition; tuber growth


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