Hilgardia

1925 - 1996

From California Agricultural Experiment Station
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Volume 18, issue 18, 1949

Soil salinity in relation to irrigation

W. P. Kelley, B. M. Laurance and H. D. Chapman

Volume 18, issue 17, 1948

Genetics and development of nine male-sterile tomato mutants

Charles M. Rick

Volume 18, issue 16, 1948

Biology of the fig scale in California

E. M. Stafford and D. F. Barnes

Volume 18, issue 15, 1948

Additional virus diseases of spinach in California

Henry H. P. Severin

Aphid transmission of mild mosaic virus of annual stock

Henry H. P. Severin and C. M. Tompkins

Volume 18, issue 14, 1948

Symptoms of additional cucumber-mosaic viruses on sugar beets

Henry H. P. Severin

Outbreak of western cucumber mosaic on sugar beets

Henry H. P. Severin and Julius H. Freitag

Volume 18, issue 13, 1948

Sugar-beet mosaic

Henry H. P. Severin and Roger M. Drake

Volume 18, issue 12, 1948

Anatomic effects of the viruses of Pierce’s disease and phony peach

Katherine Esau

Volume 18, issue 11, 1948

The most important species of aphids attacking cruciferous crops in California

E. O. Essig

Aphid transmission of cauliflower-mosaic virus

Henry H. P. Severin and C. M. Tompkins

Volume 18, issue 10, 1948

Propagation of the Oriental fruit moth under Central California conditions

Francis M. Summers and Leslie M. Smith

Volume 18, issue 9, 1948

The Voges-Proskauer reaction and differentiation of the coliform bacteria

Reese H. Vaughn, George T. Wedding and Joseph Tabachnick

Volume 18, issue 8, 1948

A short method of determining leaf area and volume growth in pine trees

Frederick S. Baker

Volume 18, issue 7, 1948

The bud mite and the Erineum mite of grapes

Eugene M. Stafford and Leslie M. Smith

Volume 18, issue 6, 1948

Sample manipulation and apparatus useful in estimating surface and penetration residues of DDT in studies with leaves and fruits

Francis A. Gunther

Volume 18, issue 5, 1948

Phloem structure in the grapevine, and its seasonal changes

Katherine Esau

Volume 18, issue 4, 1948

Transmission of California aster-yellows virus by leafhopper species in Thamnotettix group

Henry H. P. Severin

Characters, distribution, and food plants of leafhopper species in Thamnotettix group

Henry H. P. Severin and Dwight M. DeLong

Volume 18, issue 3, 1948

The black gnats of California

Homer Lowe and Leslie M. Smith

Volume 18, issue 2, 1948

Herbicidal properties of oils

A. S. Crafts and H. G. Reiber

Volume 18, issue 1, 1947

Major economic forces affecting agriculture with particular reference to California

S. V. Ciriacy-Wantrup

Volume 17, issue 19, 1947

Effects of potash deficiency and excess on orange trees

H. D. Chapman, S. M. Brown and D. S. Rayner

Volume 17, issue 18, 1947

Aphids feeding on violaceous plants in California

E. O. Essig

Viruses that induce breaking in color of flower petals in pansies and violas

Henry H. P. Severin

Volume 17, issue 17, 1947

Spinach yellow dwarf

Henry H. P. Severin and Donald H. Little

Location of curly-top virus in the beet leafhopper, Eutettix tenellus

Henry H. P. Severin

Weeds experimentally infected with beet-mosaic virus

Henry H. P. Severin and Roger M. Drake

Volume 17, issue 16, 1947

Longevity of noninfective and infective leafhoppers on a plant nonsusceptible to a virus

Henry H. P. Severed

Characters, distribution, and food plants of newly discovered vectors of California aster-yellows virus

Henry H. P. Severin and Dwight M. DeLong

Newly discovered leafhopper vectors of California aster-yellows virus

Henry H. P. Severest

Volume 17, issue 15, 1947

An evaluation of nine backcross-derived wheats

Coit A. Suneson

Volume 17, issue 14, 1947

Rate of pigment degradation in the phloem of dehydrated Red Core Chantenay carrots

Elliot Weier

Volume 17, issue 13, 1947

Mass culture of Macrocentrus ancylivorus and its host, the potato tuber moth

Glenn L. Finney, Stanley E. Flanders and Harry S. Smith

Volume 17, issue 12, 1947

The branch wilt of Persian walnut trees and its cause

E. E. Wilson

Volume 17, issue 11, 1947

A physiological study of boron deficiency in plants

Howard S. Reed

Volume 17, issue 10, 1947

Some problems in the use of artificial light in crop protection

William B. Herms

Volume 17, issue 9, 1947

Distribution of the native grasses of California

Alan A. Beetle

Volume 17, issue 8, 1947

Sod webworms and other lawn pests in California

Richard M. Bohart

Volume 17, issue 7, 1947

A study of Tranzschelia pruni-spinosae on Prunus species in California

Clayton O. Smith

Volume 17, issue 6, 1947

Snapdragon downy mildew

C. E. Yarwood

Depositional and weather-resisting qualities of some copper fungicides affecting the control of peach blight

E. E. Wilson

Volume 17, issue 5, 1947

Plant symptoms induced by feeding of some leafhopper species

Henry H. P. Severin

Taxonomy, distribution, and food plants of Acinopterus angulatus

Dwight M. DeLong and Henry H. P. Severin

Acinopterus angulatus, a newly discovered leafhopper vector of California aster-yellows virus

Henry H. P. Severin

Volume 17, issue 4, 1946

Lygus bug injury and its effect on the growth of alfalfa

Lee R. Jeppson and G. F. MacLeod

The Willamette mite on grapes

Norman W. Frazier and Leslie M. Smith

Volume 17, issue 3, 1946

Taxonomy, distribution, and food plants of Gyponana hasta, a leafhopper vector of California aster-yellows virus

Henry H. P. Severin and Dwight M. DeLong

Transmission of California aster-yellows virus by the first reported leafhopper vector in Gyponinae

Henry H. P. Severin

Longevity, or life histories, of leafhopper species on virus-infected and on healthy plants

Henry H. P. Severin

Volume 17, issue 2, 1946

Morphology of reproduction in guayule and certain other species of Parthenium

Katherine Esau

Volume 17, issue 1, 1945

Evidence of nonspecific transmission of California aster-yellows virus by leafhoppers

Henry H. P. Severin

Characters, distribution, and food plants of phlepsid leafhopper vectors of California aster-yellows virus

Henry H. P. Severin and Dwight M. DeLong