File:Diseases of fruits and nuts (1941) (20346142314).jpg

Title: Diseases of fruits and nuts
Identifier: diseasesoffruits120smit (find matches)
Year: 1941 (1940s)
Authors: Smith, Ralph E. (Ralph Eliot), 1874-1953
Subjects: Fruit; Nuts
Publisher: Berkeley, Calif. : The College of Agriculture, University of California
Contributing Library: University of California, Davis Libraries
Digitizing Sponsor: University of California, Davis Libraries

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Text Appearing Before Image:
Diseases of Fruits and Nuts 113 death of the terminal buds and the consequent forcing out of lateral shoots, which in turn die back before they make much growth (fig. 33, p. 80). The bark of some of the smaller branches shows a rough, corky condition (fig. 61).
Text Appearing After Image:
-J)ieback of Frcncli piuno trees, associated with overbearing and deficiency of potassium in soil. Applications of copper, either to the soil, through holes in the trunk, or by spraying with 5-5-50 bordeaux mixture as recommended for pears (p. 101) are effective in curing this disease in prune trees. Gum Drops, Shot-Hole Borer.—Small globules of clear, white gum break out from the twigs and branches all over the tree (fig. 62). These glisten in the sun like raindrops. The cause of this is a small beetle, the shot-hole borer, Scolytus riigidosus, which breeds in the bark. Sickly

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