California Agriculture, April 1948

Volume 2, Number 4
Concentrate sprays applied by air-carrier sprayers

research articles

Concentrate sprays: As applied to deciduous fruit trees
by Arthur D. Borden
pp3-8, doi#10.3733/ca.v002n04p3
Abstract
Not available – first paragraph follows: Introduction of the air-carrier type of sprayer in 1944, demonstrated the value of a large volume of air at low velocity in obtaining an even, uniform insecticide coverage in deciduous fruit orchards.
Expanded Abstract | PDF

Forage plants for a drouth year: Sudan grass, grain sorghums, summer legumes, and alfalfa
by B. A. Madson , Milton D. Miller
pp4, doi#10.3733/ca.v002n04p4
Abstract
Not available – first paragraph follows: Sudan grass offers relief in the forage shortage this year.
Expanded Abstract | PDF

Automatic temperature: Control recommended for improved wine-growing
by George L. Marsh
pp5-8, doi#10.3733/ca.v002n04p5a
Abstract
Not available – first paragraph follows: Quality of product in wine-growing could be improved markedly by a closer application of technological knowledge concerning refrigeration requirements of fermentation.
Expanded Abstract | PDF

Fattening turkeys: Recommendation for use of estrogens withheld
by F. W. Lorenz
pp6, doi#10.3733/ca.v002n04p6a
Abstract
Not available – first paragraph follows: The fattening effect of estrogens—well understood in chickens—has occasioned considerable interest during the past season which was the first in which estrogen preparations have been generally available to the poultry industry.
Expanded Abstract | PDF

Feeder lambs: Research seeks cause of break among lambs on irrigated pastures
by R. D. Foote , Robert F. Miller , R. Merton Love
pp7, doi#10.3733/ca.v002n04p7a
Abstract
Not available – first paragraph follows: The evidence developed in two years of study—with three lots of lambs on a ranch in Mendocino County—indicates that there are a number of factors involved in the “break” which frequently interrupts the finishing of lambs on irrigated ladino and grass pastures.
Expanded Abstract | PDF

editorial, news, letters & science briefs

Organic phosphate insecticides: Results obtained in 1947 with phosphate insecticides by the Division of Entomology and Parasitology at Berkeley and Davis
by Leslie M. Smith
pp1, doi#10.3733/ca.v002n04p1b
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Grape bud mite tests
by E. M. Stafford
pp2, doi#10.3733/ca.v002n04p2b
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Red spiders on grapes
by Leslie M. Smith
pp2-12, doi#10.3733/ca.v002n04p2c
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Aphids, mites on pears, prunes
by A. D. Borden , Harold Madsen
pp5-24, doi#10.3733/ca.v002n04p5b
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Melon insects and mites
by W. W. Middlekauff , A. E. Michelbacher , Theodore W. Fisher
pp6-7, doi#10.3733/ca.v002n04p6b
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Walnut aphid
by W. W. Middlekauff , A. E. Michelbacher
pp7-8, doi#10.3733/ca.v002n04p7b
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Olive scale
by E. M. Stafford
pp8-9, doi#10.3733/ca.v002n04p8
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Fig scale
by E. M. Stafford , D. F. Barnes
pp9-12, doi#10.3733/ca.v002n04p9
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Black scale on olives
by E.M. Stafford , R. M. Hoffman
pp10-11, doi#10.3733/ca.v002n04p10
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Grape leafhopper tests
by E. M. Stafford
pp11, doi#10.3733/ca.v002n04p11
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Hexaethyl tetraphosphate thermal aerosol fog effective against grape leafhopper
by Norman W. Frazier
pp12, doi#10.3733/ca.v002n04p12
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Field tests on some pests of grapes
by Norman W. Frazier
pp13-16, doi#10.3733/ca.v002n04p13
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California cotton insects
by Gordon L. Smith
pp16-17, doi#10.3733/ca.v002n04p16
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Greenhouse plants
by A. Earl Pritchard
pp17-18, doi#10.3733/ca.v002n04p17
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Alfalfa butterfly tests
by Ray F. Smith , William W. Allen
pp19-20, doi#10.3733/ca.v002n04p19
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Tests on bees
by J. E. Eckert
pp20-22, doi#10.3733/ca.v002n04p20
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Mosquito larvae
by Richard M. Bohart
pp22-23, doi#10.3733/ca.v002n04p22
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Spring dwarf nematode
by D. J. Raski , M. W. Allen
pp23-24, doi#10.3733/ca.v002n04p23
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General Information

Pacific coast pears: Production trends, utilization, export needs and price prospects
by S. W. Shear, Sydney Hoos
pp2, doi#10.3733/ca.v002n04p2a
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