Sunscald on Pods of Legume Vegetables
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Sunscald on pods occurs when pods are exposed to periods of high solar radiation and high temperatures immediately following cloudy, humid conditions. Symptoms first appear as small papery brown spots that may eventually cover large areas of the pods as hot conditions prevail. Similar symptoms can also be observed on foliage.
Various degrees of sunscald injury, with the severity increasing from left to right.
(Photo: Howard F. Schwartz, Colorado State University, Bugwood.org)