Die-back of blackberries: Study of causes and prevention of disease affecting Boysen and Young trailing blackberries
C. Emlen Scott
Richard A. Break
Authors AffiliationsStephen Wilhelm is Assistant Professor of Plant Pathology, University of California College of Agriculture, Berkeley; C. Emlen Scott is Extension Plant Pathologist, University of California College of Agriculture, Berkeley; Richard A. Break is Farm Advisor, Fresno County, University of California College of Agriculture.
Hilgardia 6(2):4-12. DOI:10.3733/ca.v006n02p4. February 1952.
A die-back disease affecting primarily the Boysen and Young trailing blackberries was prevalent in nearly all berry-growing regions of California during the winters of 1947—18 and 1948—19. It did not occur, or was much reduced in severity during the 1949-50 and 1950-51 winters.
Also in this issue:Fresh chicken meat: Survey of retail stores in Los Angeles area reveals prices to be unreliable guides to meat quality
Livestock diet utilization: Natural vegetation and cultivated feedstuffs should have favorable ratio to value of animal products they produce
Codling moth on walnut: 1951 tests compare effectiveness of conventional and air-carrier sprayers on Payne walnuts in northern California
Pruning-time studies on grapes: Southern California investigations on relationship between vine pruning time and the so-called grape bud mite problem
Virus diseases of orchids: Transmission of the virus and observation of leaf and other symptoms reveal rare diseases in California
Citrus rootstock problems: Recommendations change as developments within citrus industry reflect influence of rootstock on tree and fruit
Citrus-root nematode: Effects on young lemon and orange trees studied in inoculation tests under controlled conditions
Cantaloupe fruit set: Relationship to fertilization, seed development, and fruit growth studied to determine causes of drop
The pink bollworm: Insect pest of cotton thrives in dry climates and is difficult to control by application of insecticides
The resistance of varieties and new dwarf races of tomato to curly top (western yellow blight or yellows)