期刊
JOURNAL OF PLANT NUTRITION
卷 36, 期 9, 页码 1453-1465出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01904167.2013.793714
关键词
splitting and fruit quality; sprays of calcium and sucrose; sweet cherries
资金
- Scientific Research Projects of Akdeniz University, Turkey
The aim of the study was to examine impact of preharvest sprays of calcium (Ca) and sucrose on splitting and quality of Burlat' sweet cherry fruit. The study was carried out during 2009-2010 in Poland and Turkey, on mature trees planted at a moderate density on coarse- and medium-textured soils. Sweet cherries were sprayed with calcium chloride (CaCl2) and/or sucrose at a rate of 5kg of each material per ha, using ca. 1000 L of water. In Poland, sprays of CaCl2 and/or sucrose were applied 8-14h before each rain, starting 21 d before harvest, whereas in Turkey the spray treatments were made schematically: 7, 14 and 21 d before harvest. Sprays of water were treated as the control. The results showed that preharvest sprays of CaCl2 and/or sucrose did not affect yield, mean fruit weight, and fruit acidity. Sprays of CaCl2 increased fruit Ca status, and simultaneously reduced fruit cracking in an orchard or laboratory test. In the trial performed in Turkey, part of fruit sprayed with CaCl2 (<5%) had spray deposit on the peel. Sucrose sprays did not affect fruit cracking. In one year of the study in Turkey, sucrose sprays increased soluble solids concentration of fruit; however, part of fruit treated with sucrose (<2%) had spray deposit on the skin.
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