Peach culture in California

Bibliographic data

Monograph

Identifikator:: 1833271505

URN:: urn:nbn:de:zbw-retromon-221985

Document type:: Monograph

Author:: Overholser, E. L. http://d-nb.info/gnd/123737538X; Duruz, W. P.

Title:: Peach culture in California

Place of publication:: Berkeley

Publisher:: Univ. of Calif.

Year of publication:: 1930

Scope:: 55 S.; Ill.

Digitisation:: 2022

Collection:: Economics Books

Usage license:: Get license information via the feedback formular.

Chapter

Document type:: Monograph

Structure type:: Chapter

Title:: Peach diseases and their control

Collection:: Economics Books

38 CALIFORNIA AGRICULTURAL EXTENSION SERVICE [CIRC 42 The Control of Peach Diseases—Peach diseases are usually con- trolled in one or more of the following ways: (1) by planting a variety that is immune or resistant to the disease; (2) by planting a variety only in the locality where the disease is not serious; and (3) by the use of direct control measures, such as spraying or disinfection.?® The quarantine service is a means of preventing the introduction and spread of new diseases and insects within the state Fig. 10.—Peach roots of young tree infected with erown call, Crown Gall, Bacterium tumefaciens S. & T.—The bacterium caus ing crown gall or root knot is found in many soils. Swellings or tumor- like enlargements are formed on the crown and the main roots and sometimes on above ground parts of the tree (fig. 10). A tree affected by this disease shows a loss of vigor, and may eventually die, The trouble may be lessened by inspecting and rejecting diseased nursery trees, and by care in cultivation so as not to wound the trees. Examine the erown and main roots of stunted trees for evidences of the disease 20 Horne, W. T., E. O. Essig and W. B. Herms. Plant disease and pest control. California Agr. Exp. Sta. Cir. 265:1-182. 1927.

Access restriction

Copyright

fullscreen: Peach culture in California

Monograph

Chapter

Table of contents

Download

Monograph

Chapter

This page

Image fragment

Citation links

Citation recommendation