California Agriculture, November 1952

Volume 6, Number 11
Control of Lygus bugs on seed alfalfa

research articles

Lygus bugs on seed alfalfa: Specific treatments recommended for lygus bug control in alfalfa seed fields at three stages of plant growth
by L. D. Anderson , L. G. Jones , H. T. Reynolds , R. F. Smith , E. J. Swift
pp3-4, doi#10.3733/ca.v006n11p3
Abstract
Not available – first paragraph follows: Successful control of lygus bugs on alfalfa requires properly timed applications of insecticide.
Expanded Abstract | PDF

Exocortis disease of citrus: Top-root relationships of trifoliate orange and its hybrids studied in search for cause of root disease
by W. P. Bitters
pp5-6, doi#10.3733/ca.v006n11p5
Abstract
Not available – first paragraph follows: The citrus root disease called exocortis is present in most areas where trifoliate orange—Poncirus trifoliate,—is used as a rootstock.
Expanded Abstract | PDF

Washington navel fruit drop: Effects of 2,4-D on drop of sound and unsound oranges when sprays were applied in the late fall and winter
by Louis C. Erickson
pp7-15, doi#10.3733/ca.v006n11p7
Abstract
Not available – first paragraph follows: Sound Washington Navel orange fruit was the only type in which drop was consistently reduced by a highly significant amount—1 % level of probability—in studies in orchards near Pomona and Redlands.
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Phosphatic fertilizers on valencias: Field response in phosphorus-deficient orchard reveals improvements in foliage growth and color, and in fruit quality
by T. W. Embletson , J. D. Kirkpatrick , E. R. Parker
pp8-9, doi#10.3733/ca.v006n11p8
Abstract
Not available – first paragraph follows: Phosphatic fertilizers applied to Vaencia orange trees improved foliage growth and color, the fruit quality and increased the number of fruits set.
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Biological control of insects: California's subtropical climate favors establishment of natural enemies of agricultural insect pests
by C. P. Clausen
pp10, doi#10.3733/ca.v006n11p10
Abstract
Not available – first paragraph follows: One third of the 100 or so insects introduced successfully into the continental United States for biological control, are established in California.
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Efficiency in fruit marketing: In-plant transportation equipment for fresh fruit packing houses compared for seasonal cost and efficiency
by L. L. Sammet
pp11-12, doi#10.3733/ca.v006n11p11
Abstract
Part VI of a series of reports of studies on the effects of packinghouse equipment, plant layout, and work methods on efficiency and costs. These studies have been made co-operatively by the University of California Giannini Foundation of Agricultural Economics, and the Bureau of Agricultural Economics, United States Department of Agriculture, under the authority of the Research and Marketing Act.
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Dairy products in food expense: Surveys made in Oakland and in Los Angeles indicate share of dairy products in the family food expense
by Jessie V. Coles
pp13-15, doi#10.3733/ca.v006n11p13
Abstract
The second of a series of reports of a survey on the consumption of dairy products in urban areas of California made co-operatively by the Department of Home Economics, University of California, California State Department of Agriculture, and United States Department of Agriculture under the authority of the Research and Marketing Act.
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General Information

State's productive capacity: Changes in supplies of feed grains, hay, and pasturage projected for 1955 on basis of trends
by Trimble R. Hedges, Warren R. Bailey
pp2-15, doi#10.3733/ca.v006n11p2
PDF