In sun-soaked growing regions, such as Central Washington or Chile, the sun's damaging rays pose a risk of sunburn and delayed sunscald in apples. The damage is driven by exposure to high light and hot weather, so researchers are working to develop tools to detect crop stress and exposure levels to help growers predict and prevent damage.While sunburn shows itself in the field, delayed sunburn, also known as sunscald, appears after storage and poses a particularly difficult problem for growers because it cuts nackout rates seemingly without warning.
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