Hilgardia

1925 - 1996

From California Agricultural Experiment Station
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Volume 16, issue 12, 1945

Additional ornamental flowering plants naturally infected with California aster yellows

Henry H. P. Severin and Julius H. Freitag

California aster yellows on vegetable and seed crops

Henry H. P. Severin and Norman W. Frazier

Weed-host range of California aster yellows

Norman W. Frazier and Henry H. P. Severin

Volume 16, issue 11, 1945

Measuring food values for dairy cows

Max Kleiber, W. M. Regan and S. W. Mead

Volume 16, issue 10, 1945

Movement of carbon disulfide vapor in soils as affected by soil type, moisture content, and compaction

H. A. Hannesson

Toxicity of certain herbicides in soils

A. S. Crafts

Studies on the activation of herbicides

A. S. Crafts and H. G. Reiber

Volume 16, issue 9, 1945

Comparative behavior of ammonia and ammonium salts in soils

H. Jenny, A. D. Ayers and J. S. Hosking

Utilization of ammonia supplied to peaches and prunes at different seasons

Harold I. Forde and E. L. Proebsting

Volume 16, issue 8, 1945

Poison-hemlock-ringspot virus and its transmission by aphids to celery

Henry H. P. Severin and Julius H. Freitag

Transmission of celery-yellow-spot virus by the honeysuckle aphid, Rhopalosiphum conii (Dvd.)

Henry H. P. Severin and Julius H. Freitag

Insect transmission, host range, and properties of the crinkle-leaf strain of western-celery-mosaic virus

Henry H. P. Severin and Julius H. Freitag

Volume 16, issue 7, 1945

Certain symptoms resembling those of curly top or aster yellows, induced by saliva of Xerophloea vanduzeei

Henry H. P. Severin, F. Douglas Horn and Norman W. Frazier

Effect of downy mildew on productivity of sugar beets, and selection for resistance

L. D. Leach

Volume 16, issue 6, 1944

Relation of mortality to amounts of hydrocyanic acid recovered from fumigated resistant and nonresistant citrus scale insects

D. L. Lindgren and Walton B. Sinclair

The picric acid method for determining minute amounts of hydrocyanic acid in fumigated insects

Walton B. Sinclair and R. C. Ramsey

Volume 16, issue 5, 1944

Bionomics and control of the nigra scale, Saissetia nigra

Ralph H. Smith

Volume 16, issue 4, 1944

Natural sources, habitats, and reservoirs of insects associated with stored food products

E. Gorton Linsley

A new aphid on guayule and notes on other species of Cerosipha

E. O. Essig

Volume 16, issue 3, 1944

Effects of rootstock and environment on the composition of oranges and grapefruit

Walton B. Sinclair and E. T. Bartholomew

Volume 16, issue 2, 1944

Omphalia root rot of the date palm

Donald E. Bliss

Volume 16, issue 1, 1944

Biases encountered in large-scale yield tests

O. C. Riddle and G. A. Baker

Volume 15, issue 7, 1944

Addition of extractives of rotenone-bearing plants to spray oils

Walter Ebeling, Francis A. Gunther, J. P. LaDue and J. J. Ortega

Volume 15, issue 6, 1944

Composition and Quality of Musts and Wines of California Grapes

M. A. Amerine and A. J. Winkler

Volume 15, issue 5, 1943

The California State Land Settlements at Durham and Delhi

Roy J. Smith

Volume 15, issue 4, 1943

Some natural factors limiting the abundance of the alfalfa butterfly

A. E. Michelbacher and Ray F. Smith

Volume 15, issue 3, 1943

Ontogeny of the vascular bundle in Zea Mays

Katherine Esau

Vascular differentiation in the pear root

Katherine Esau

Volume 15, issue 2, 1943

Thermodynamics of soil moisture

N. E. Edlefsen and Alfred B. C. Anderson

Volume 15, issue 1, 1943

Origin, dispersal, and variability of the lima bean, Phaseolus lunatus

W. W. Mackie

Volume 14, issue 11, 1943

Onion downy mildew

C. E. Yarwood

Volume 14, issue 10, 1942

Viroses of annual larkspurs

Henry H. P. Severin

The susceptibility of perennial delphiniums to six viruses

Henry H. P. Severin

Leaf variegations of perennial delphiniums

Henry H. P. Severin

Volume 14, issue 9, 1942

Pythiaceous fungi on citrus

Vincent A. Wager

Phytophthora Cinnamomi and wet soil in relation to the dying-back of avocado trees

Vincent A. Wager

The effect of certain added materials on bordeaux mixture in the control of peach blight and leaf curl

Edwaed E. Wilson

Volume 14, issue 8, 1942

Perennial-delphinium ringspot

Henry H. P. Severin and R. C. Dickson

Celery calico on perennial delphiniums and certain other host plants

Henry H. P. Severin

Infection of perennial delphiniums by California-aster-yellows virus

Henry H. P. Severin

Volume 14, issue 7, 1942

Measurements on hydrocyanic acid absorbed by citrus tissues during fumigation

E. T. Bartholomew, Walton B. Sinclair and D. L. Lindgren

Volume 14, issue 6, 1942

The effect of pretreatment and subsequent drying on the activity of grape oxidase

A. A. Hussein, E. M. Mrak and W. V. Cruess

The relation of maturity of the grapes to the yield, composition, and quality of raisins

H. E. Jacob

Some factors affecting the burning of sulfurs used in sulfuring fruits

C. S. Bisson, H. W. Allinger and H. A. Young

Volume 14, issue 5, 1942

Relation between auction prices and supplies of California fresh Bartlett pears

Sidney Hoos and S. W. Shear

Volume 14, issue 4, 1941

The effects of sulfur deficiency on citrus

H. D. Chapman and S. M. Brown

The effects of phosphorus deficiency on citrus

H. D. Chapman and S. M. Brown

Species of Stigmina and Stigmella occurring on Platanus

Donald J. Smith and Clayton O. Smith

Volume 14, issue 3, 1941

Chemical composition of water in the Putah Creek basin

C. S. Bisson and Martin R. Huberty

Hydrologic studies of the Putah Creek area in the Sacramento Valley, California

Martin R. Huberty and C. N. Johnston

Volume 14, issue 2, 1941

Movement of carbon disulfide vapor in soils

R. M. Hagan

Chlorate distribution and the effect of nitrate concentration on chlorate toxicity in soil columns

R. S. Rosenfels and A. S. Crafts

Volume 14, issue 1, 1941

Fig characteristics useful in the identification of varieties

Ira J. Condit