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    Seasonal changes of carbohydrates in fruit peels, leaves and shoots of three pomegranate (Punica granatum L.) cultivars grown in upper Euphrates basin
    (Elsevier, 2022) Turker, Serdar; Polat, Atila Aytekin; Bindak, Recep
    In this study, seasonal changes of carbohydrate amounts in fruit peels, leaves, and shoots of three pomegranates cultivars ('Kis,nari', 'Hicaznar', 'Kirlihanim') have been examined. It has been found that the amount of reducing sugar, total sugar and sucrose in the fruit peels of pomegranate cultivars increased from green to ripe while the amount of starch on the contrary showed a decrease from green to ripe. According to findings the sucrose, reducing and total sugars in the leaves, generally increased until mid-September after the decrease between June and July, and they tend to decrease in October. On the other hand, the starch content of the leaf decreased from the second half of June until the end of August, and then increased until the first half of October. In the analysis performed on the shoots, it has been revealed that the carbohydrate levels did not change in the period between the fall of leaves and the budbreak. In addition, the reducing sugar decreased from January to July and total sugar and sucrose formed a bumpy curve until September, and showed a steady increase starting from this period to the end of the year. It has been determined that the starch contents in the shoots increased regularly between April and July and then followed a fluctuating course from this period until October and decreased from October to the end of December.
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    SEASONAL VARIATION OF NUTRIENT CONTENTS IN DIFFERENT ORGANS OF THE POMEGRANATE GENOTYPE (Punica granatum L. CV. 'KISNARI')
    (Parlar Scientific Publications (P S P), 2021) Turker, Serdar; Polat, Atilla Aytekin
    This study determines the seasonal variation of macro (N, P, K, Mg. Ca) and micro (Cu. Fe, Mn. Zn) plant nutrients in the fruit peel (green, half-ripe and full-ripe periods), leaves (over eight different periods) and shoots (over eleven different periods) during the vegetation period of the Kisnart (Punica granatum L.) genotype grown in Gaziantep region. The experiment was designed according to completely randomized design with three replications having single tree in each replication. Throughout the study, it was found that in the fruit peel, N, P, Cu and Zn decreased, Ca, K and Fe increased while Mn and Mg did not appear to change so much during vegetation. In the leaves, it was found that the N, P and Ca content increased; that Mg increased from the first sampling date (June 16-30) to the second half of August; that Zn, K and Cu levels were undulating until August 15 and then decreased until mid December; that Fe increased until August 15, decreased and then increased from this period to the last sampling date; that Mn increased until August 15 during vegetation and then decreased until the last sampling date as of this date. In the shoots; it was determined that N, P, Cu and Zn nutrients were undulating until the fall; Ca increased in January-May period and then showed a partial decrease in June, increased from this period to September and then showed an undulant pattern in September-December period. K, Mg. Fe and Mn elements appeared to increase in January-March period, and then every element showed an undulating pattern until the fall period. and increased until the end of December. The research results showed that it would be more convenient to take samples from leaves within the period of July 15 and September 15, when many macro and micro nutrients do not vary as much.