Two healthy or at least asymptomatic cranberries with one that has been infected by cranberry fruit rot (topmost/orange berry). Late August, 2009. Fruit Rot Upright Dieback Disease: Upright Dieback (pdf) (UMass) Upright Dieback Disease (pdf) (versus uprights dying back for other reasons) (Univ. of Wisconsin-Madison) Upright Dieback and Viscid Rot (pdf)