Cankers that form on twigs and trees can be defoliated prematurely. Puccinia sparangioides Apply myclobutanil, triadimefon, chlorothalonil or a mancozeb in the spring to protect young leaves and twigs of trees usually found with the disease. Trees usually free of the disease should not be sprayed. Yellows Twig and trunk growth slows to less than half that of before infection. Bud break is 1 to 2 weeks earlier than normal.
Foliage appears to be in tufts because of the very short internodes.
Witches brooms may form. Leaves may be yellow and smaller than normal. Scattered branches die during the winter. Water sprouts form along branches or at ground level. Early fall leaf coloration is a common symptom.