Study reveals causes of apple skin spot

A study determined the effects of surface wetness on severity of skin spot in ‘Elstar’ apples grown under rain shelters, and identified relationships between rainfall and severity of skin spot over a number of seasons. Analyses show that increasing fruit surface wetness from overhead sprinkling increased both the severity of skin spot and the severity of cuticular microcracking. Skin spot occurs as a result of microcracking, and is a result of late-season surface wetness. —> Read More Here


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