Oak

OAK (bacterial leaf scorch of oak)

Major symptoms: marginal leaf scorch, die-back of twigs and branches in at least several species of oaks.

Distribution: southeastern United States to Kentucky and New Jersey. Rare occurrence noted in Kansas.

Selected references: Sherald and Kostka, 1992 (general, distribution); Chang and Walker, 1988 (etiology); Hartman et al., 1991 (Kentucky occurrence); McGovern and Hopkins, 1994 (in live oak).