Effects of potassium fertilization on leaf nutrient content and quality attributes of sweet cherry fruits (Prunus Avium L.)

Cherry is a fruit preferred by consumers with its beautiful appearance, low calorie content and positive effects on human health. Turkey is the leader in cherry production due to its favorable ecological conditions. Potassium is an important nutrient which affects quality in agricultural production....

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Bibliographic Details
Published in:Journal of plant nutrition 2021-04, Vol.44 (7), p.946-957
Main Authors: Yener, Hüseyin, Altuntaş, Ömer
Format: Article
Language:English
Subjects:
Acidity
Agricultural production
antioxidant
Antioxidants
Ecological conditions
Environmental health
Fertilization
Fruits
Leaves
Low calorie
Nutrient content
Nutrients
Phenolic compounds
Phenols
plant nutrition
Potassium
Potassium oxides
Prunus avium
Quality management
Rootstocks
soluble solids
sweet cherry
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Summary:Cherry is a fruit preferred by consumers with its beautiful appearance, low calorie content and positive effects on human health. Turkey is the leader in cherry production due to its favorable ecological conditions. Potassium is an important nutrient which affects quality in agricultural production. 0900 Ziraat cherry was used as a test plant and cultivated in Gisela 6 rootstocks for 2 years in 2017 and 2018. The effects of different doses of potassium (K) on the quality of cherry fruit and the nutrient content of the leaves were investigated. Different doses of K (0, 100, 200, 400, 600 g K 2 O tree −1 ) were applied with 4 replications under the crown of 5 trees in each replication for two consecutive years. Quality characteristics in fruit samples and nutrient contents in leaf samples were determined. Fruit size, fruit firmness (FF), soluble solids (SS), titratable acidity (TA) were found to have increased with potassium doses, pH, antioxidant activity and total phenolic content were found to have decreased. The effect on the breaking force from the handle was found insignificant. Potassium application increased the potassium content of the leaves, while the highest dose of 600 g K 2 O tree −1 caused a decrease in other nutrients. 600 g K 2 O tree −1 application also caused a decrease in FF, SS and TA, which may result in environmental pollution, as well. It was concluded that potassium application positively affects the quality features of cherry fruit and the most appropriate dose is 400 g K 2 O tree −1 .
ISSN:0190-4167
1532-4087
DOI:10.1080/01904167.2020.1862203