April 1959

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California Agriculture, April 1959

Volume 13, Number 4
Control of aster yellows in celery

research articles

Commercial cut flower industry: Further production increases without substantial increase in acreage may cause changes in successful marketing practices
by D. B. DeLoach
pp3, doi#10.3733/ca.v013n04p3
Summary | Expanded Abstract | PDF

Gibberellins on chrysanthemum: Properly timed applications of potassium gibberellate sprays improved flower shape of two commercial varieties of pompon
by Peter J. Lert
pp4, doi#10.3733/ca.v013n04p4
Summary | Expanded Abstract | PDF

Aster yellows virus in celery: Spray treatment of natural breeding area of aster leafhopper controls spread of important virus disease to celery fields
by J. H. Freitag , T. M. Aldrich , R. M. Drake
pp5, doi#10.3733/ca.v013n04p5
Summary | Expanded Abstract | PDF

Summer-planted solana berries: Tests in southern California and also at Davis show early summer plantings of new strawberry yield with variety Lassen
by R. S. Bringhurst , Victor Voth
pp6, doi#10.3733/ca.v013n04p6
Summary | Expanded Abstract | PDF

Herbicides on rangeland forage: Reduction of plant competition during seedling establishment on annual ranges by application of pre-emergence herbicides
by Cyrus M. McKell , Burgess L. Kay , Jack Major
pp7-9, doi#10.3733/ca.v013n04p7
Summary | Expanded Abstract | PDF

Herbicides on white potatoes: Weed control field trials with seven herbicides conducted in San Bernardino County with varying results in effectiveness
by D. C. Purnell , C. D. McCarty , T. M. Little
pp10, doi#10.3733/ca.v013n04p10
Summary | Expanded Abstract | PDF

Codling moth investigations: Severe infestations in northern California walnut orchards in 1958 followed conditions favorable to the second brood
by A. E. Michelbacher , C. Q. Gonzales
pp11, doi#10.3733/ca.v013n04p11
Summary | Expanded Abstract | PDF

Parathion resistant mites: Performance of new acaricides evaluated in trials against strain of mites known to be resistant to phosphate compounds
by Harold F. Madsen , J. Blair Bailey
pp12, doi#10.3733/ca.v013n04p12
Summary | Expanded Abstract | PDF

Poultry house cleanout machine: Manure pickup device designed for use in obstruction-free area under strings of poultry cages shows high efficiency
by Samuel A. Hart , I. J. Szluka , G. R. Giannini
pp13-14, doi#10.3733/ca.v013n04p13
Summary | Expanded Abstract | PDF

General Information

Cotton price and production: Lower total farm earnings in 1959 prospect for California growers whether operating under Allotment Plan A or Plan B
by Trimble R. Hedges
pp2, doi#10.3733/ca.v013n04p2
PDF

Management of: Second growth stands of Douglas-fir
Editors
pp15, doi#10.3733/ca.v013n04p15
PDF