. Fig. 37.—Peach twigs (Phillips Cling variety) spotted and killed by bacterial-gummosis organism. This fungus disease is easily controlled by spraying with 5-5-50 bor- deaux mixture (p. 156) in the fall. Spraying should be done about No- vember 15 (table 4), before heavy rains have fallen. A better coverage is obtained after the leaves are off and after pruning, but spraying should not be delayed beyond the middle of November on this account. Brown Rot.—The first sign of the disease in spring is the withered, brown blossoms covered by grayisli, powdery, spore masses. Young


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