Diseases of fruits and nuts Diseases of fruits and nuts diseasesoffruits120smit Year: 1941 114 California Agricultural Extension Service [Cir. 120 trees and healthy ones adjacent to them are most likely to be attacked. The French prune is very susceptible; other prunes, plums, cherries, and apricots are sometimes affected. Badly injured trees or branches should be removed and burned; no Fig. 61.—Shoots of French prune tree affected with exanthema, showing swollen buds, abnormal growth, and roughened bark. dead wood should be left in or near the orchard. See Extension Cir- cular 87. Hail M
Diseases of fruits and nuts Diseases of fruits and nuts diseasesoffruits120smit Year: 1941 114 California Agricultural Extension Service [Cir. 120 trees and healthy ones adjacent to them are most likely to be attacked. The French prune is very susceptible; other prunes, plums, cherries, and apricots are sometimes affected. Badly injured trees or branches should be removed and burned; no Fig. 61.—Shoots of French prune tree affected with exanthema, showing swollen buds, abnormal growth, and roughened bark. dead wood should be left in or near the orchard. See Extension Cir- cular 87. Hail Mark.—Hail occurring while the fruit is green causes pitting and spotting with irregular lesions (fig. 63) which turn brown and may become infected with mold fungi. These spots heal over more or less and may give the impression of being due to some fungus disease. Kelsey Spot.—The green fruit of the Kelsey variety often shows a
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