California Agriculture, August 1950

Volume 4, Number 8
Alfalfa seed saved by harvester adjustments

research articles

Plant diseases: Restrictive effect of California climate on vegetables, grains, and flowers
by Kenneth F. Baker , William C. Snyder
pp3-16, doi#10.3733/ca.v004n08p3
Abstract
Not available – first paragraph follows: The semi-arid California climate is an effective ally in eliminating or restricting many crop diseases.
Expanded Abstract | PDF

Southern California walnut pests: Control program based on latest insecticides tests outlined for orchards in southern part of state
by J. C. Ortega
pp4-10, doi#10.3733/ca.v004n08p4
Abstract
Not available – first paragraph follows: Control studies of walnut pests in southern California groves included practically all of the promising new insecticides.
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Orangeworms on avocados: Orange tortrix feeds on bark, flowers, and buds or on shoots of immature trees
by Roy J. Pence , Walter Ebeling
pp5-14, doi#10.3733/ca.v004n08p5
Abstract
Not available – first paragraph follows: The orange tortrix and Holcocera, two small moths attacking oranges in southern California, were discovered to be avocado pests in 1949.
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Nematodes on citrus: Soil fumigation and resistant citrus varieties promising as controls
by R. C. Baines
pp7, doi#10.3733/ca.v004n08p7
Abstract
Not available – first paragraph follows: Nematodes injurious to citrus roots are being investigated at Riverside to find efficient means of control.
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Alfalfa seed harvesting: Field studies of harvesting equipment and methods suggest means of improving seed germination
by L. G. Jones , R. A. Kepner , Roy Bainer , J. P. Fairbank
pp8-16, doi#10.3733/ca.v004n08p8
Abstract
Not available – first paragraph follows: Between one and two million pounds of viable alfalfa seed might be saved annually in California by proper adjustment and operation of presently used alfalfa harvesting equipment.
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Ant control program: Modern insecticides correctly applied achieve indoor and outdoor control
by A. E. Michelbacher
pp11-12, doi#10.3733/ca.v004n08p11
Abstract
Not available – first paragraph follows: In ant control, the new insecticides—as important as they are—have not displaced the necessity for knowing the ant, its nesting site and habits.
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Family avocado orchards: Size depends upon yield, costs of production, returns, and family income needed
by Harold E. Wahlberg
pp13, doi#10.3733/ca.v004n08p13
Abstract
Not available – first paragraph follows: About 18 debt-free acres of avocados in Orange County with average yield will support a family of four if returns are 8¢ or more per pound.
Expanded Abstract | PDF