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PEACH (phony peach disease)
Phony infected tree on left, healthy tree on right.
Major symptoms: stunting of overall growth, dwarfed leaves, branches and fruit; darker, flatter leaves.
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Branch on left is normal. Notice the short internodes (between leaves) on the branch infected with phony peach disease.
Selected references: Davis et al., 1981; Wells et al.1981, 1983 (etiology); Turner and Pollard, 1959 (vector transmission); Yonce and Chang, 1987 (detection in vectors); Bruer et al., 1951 (in wildplum)
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