Effect of Spring Frost Damage on Apple Fruit (Malus domestica Borkh.) Inner Quality at Harvest

In the last few years, spring frosts have become more of a rule than an exception. There are several prevention measures available for growers and numerous being tested; however, fruitlets often affected to some extent. One common phenomena is development frost rings. The aim our study was evaluate how occurrence rings affects sugar, organic acid, phenol content in flesh peel cv. ‘Gala’ apples. results show that damage from compounds peel, as well ripe fruits with contained higher fructose directly under there sorbitol malic acid content. Additionally, hydroxycinnamic dihydrochalcone apple also altered by frost. frost-affected had completely different ratio phenolic comparison healthy While significantly acids dihydrochalcones corky unaffected flavonol anthocyanin considerably lower.