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California Agriculture, March 1959

Volume 13, Number 3
Walnut trees killed by delayed union failure

research articles

Hybrid cotton breeding program: Limited quantity of cotton hybrids produced for scientific use but seed production on commercial scale not yet possible
by John H. Turner
pp3, doi#10.3733/ca.v013n03p3
Summary | Expanded Abstract | PDF

Stem borer found on safflower: Infestation discovered in planting at Davis may be first recorded attack on safflower by known pest of other plants
by K. E. Mueller , W. H. Lange
pp4-5, doi#10.3733/ca.v013n03p4
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Lime-induced chlorosis studied: Physiology of disorder investigated to learn role of malonic acid and possibility of a block in organic acid metabolism
by William A. Rhoads , Arthur Wallace , Evan M. Romney
pp6, doi#10.3733/ca.v013n03p6
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New disease resistant tomatoes: Improved strains of varieties Pearson and Red Top developed in plant breeding program at Davis and released to seedsmen
by O. S. Cannon , G. C. Hanna
pp7, doi#10.3733/ca.v013n03p7
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Blackline in walnuts: Delayed failure of unions killing many walnut trees in central coastal counties
by E. F. Serr
pp8-9, doi#10.3733/ca.v013n03p8
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Walnut aphid investigations: Evaluation of new and old aphicides object of experiments conducted in northern California test plots in 1958 season
by A. E. Michelbacher , D. J. Burdick
pp10, doi#10.3733/ca.v013n03p10
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Ponderosa pine planting stock: Studies indicate that time of lifting and length of storage before replanting influence survival of ponderosa seedlings
by Edward C. Stone , Gilbert H. Schubert
pp11-12, doi#10.3733/ca.v013n03p11
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Ammonium bicarbonate toxicity: Root injury occurred from within few hours to several weeks in solution culture tests with citrus, avocado, and soybeans
by A. Wallace , M. I. Biely , K. C. Bhan
pp12, doi#10.3733/ca.v013n03p12
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Use of sorptive dusts on fleas: Control of fleas on cats and dogs achieved by treatment with dusts that are easily applied and nontoxic to pets or people
by I. Barry Tarshis
pp13-14, doi#10.3733/ca.v013n03p13
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General Information

The rural-urban fringe problem: Farm, suburban, and city interests have interdependence in decisions on expenditure of public money for public services
by Stephen C. Smith
pp2, doi#10.3733/ca.v013n03p2
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Migration habits of: The Ladybird Beetle
Editors
pp15, doi#10.3733/ca.v013n03p15
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