Rola mikrospękań powierzchni jabłek podczas dojrzałości zbiorczej w pobieraniu egzogennego wapnia [Role of microcrackes of apple surface in exogenous calcium uptake by fruit at harvest]
Wójcik, Paweł | Dyki, Barbara | Cieśliński, Grzegorz
The aim of this study was to examine of exogenous calcium uptake by 8 cultivars of apples (Malus domestica Borkh.). Fruits at harvest time were dipped in 1% CaCl2 solution and stored at 18–20ºC during 14 days. Apples dipped in water served as control. The results showed significant differences between cultivars in apple calcium content. The least fruit calcium content was observed by cv. Jonagold and the highest by cv. Lobo. It was found significant, positive correlation between fruit calcium content and ability of apples to exogenous calcium uptake. The study showed that intensity of apple surface cracking is not a main factor influencing on exogenous calcium uptake. Apple peel surface without the blush was more sensitive to form the microcrackes than surface with the blush.
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