Title: California plant diseases
Identifier: californiaplantd218smit (find matches)
Year: 1911 (1910s)
Authors: Smith, Ralph E. (Ralph Eliot), 1874-1953; Smith, Elizabeth H. (Elizabeth Hight), 1877-1933
Subjects: Plant diseases
Publisher: Berkeley, Cal. : Agricultural Experiment Station
Contributing Library: University of California, Davis Libraries
Digitizing Sponsor: University of California, Davis Libraries

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Bulletin 218) CALIFORNIA PLANT DISEASES. 1087 troubles. Lack of soil fertility is frequently a contributory factor. Such cases of die-back are connected usually with some of the unfavor- able soil conditions which we have described in connection with that
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Fig. 14.—Apple twig affected by mildew (Podosphaera oxyacanthae). subject. In the majority of cases these plantings were doomed to failure from the start and represent an ill-advised undertaking, or in some cases criminal deception. Various secondary causes may contribute to the

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