UNT Libraries Government Documents Department - 24 Matching Results

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Life history of the wireworm Melanotus longulus (Lec.) in southern California.

Describes in detail the life cycle of the Melanotus Longulus wire worm, and in brief: the natural methods for its control, and the threat it poses to crops in southern California.

Date: January 1944

Creator: Stone, M. W., (Marshall Weddell) & Howland, A. F.

Item Type: Book

open access

Nature and extent of mormon cricket damage to crop and range plants.

Describes the threat of the Mormon cricket and the extensive damage it can cause to plant life in the northwestern United States.

Date: 1944

Creator: Swain, Ralph B. (Ralph Brownlee), 1912-

Item Type: Book

open access

Life history and habits of the peachtree borer in the Southeastern states.

Describes the studies of the peach tree borer at different stages of life, its history, and the damage it causes to peach trees.

Date: November 1943

Creator: Snapp, Oliver I. & Thomson, J. R. (James Randolph), 1903-

Item Type: Book

open access

The beet leafhopper and its control on beets grown for seed in Arizona and New Mexico.

Describes the threat of the beet leafhopper, and methods to control the pest in order to protect beets grown for seed.

Date: September 1943

Creator: Romney, Van E.

Item Type: Book

open access

Life history and control of the tomato pinworm.

Describes the history and life cycle of the tomato pinworm, the types and extent of damage that it causes, and steps that farmers can take to control it.

Date: September 1943

Creator: Elmore, J. C. (John Clifford), 1896- & Howland, A. F.

Item Type: Book

open access

Studies of methyl bromide in greenhouse and vault fumigation.

Describes the results of scientific research regarding the effectiveness of methyl bromide as an insecticide in greenhouse and vault fumigation.

Date: September 1943

Creator: Richardson, Henry H. (Henry Howe), 1906-; Johnson, A. C. (Alpha Cornelius), b. 1889; Bulger, Jacob Work, 1887-; Casanges, A. H. & Johnson, George V. (George Victor), 1910-

Item Type: Book

open access

The ecology of the principal summer weed hosts of the beet leafhopper in the San Joaquin Valley, California.

Describes the results of a scientific study on the effect of summer weeds on crops (mainly sugar beets and tomatoes) and the use of the beet leafhopper to reduce their growth in the San Joaquin Valley in California.

Date: June 1943

Creator: Lawson, Francis R. (Francis Raymond), 1906- & Piemeisel, R. L.

Item Type: Book

open access

Hibernation of the corn earworm in the central and northeastern parts of the United States

Describes a scientific investigation into the hibernation patterns of the born earworm and emergence as moths in the central and northeastern United States.

Date: December 1942

Creator: Blanchard, R. A.

Item Type: Book

open access

Further studies on the removal of spray residues from eastern-grown apples.

Describes the variety of residues found on apples, the amount of residue, and different ways to wash the apples and remove residue.

Date: August 1942

Creator: Haller, M. H. (Mark Hughlin), 1897-; Cassil, C. C. (Carroll Clayton), 1911-; Gould, Edwin & Schrader, Albert Lee, 1896-

Item Type: Book

open access

Life history, habits, and control of the beanstalk weevil (Sternechus paludatus) in the Estancia Valley, New Mexico.

Describes the life cycle of the beanstalk weevil, its habits, and the damage it causes to plants in the Estancia Valley of New Mexico.

Date: July 1942

Creator: Shaw, J. G. (John Gilbert), 1908- & Douglass, J. R. (James Robert)

Item Type: Book

open access

Strains of field corn resistant to the survival of the European corn borer.

Describes a series of scientific tests conducted over ten years to identify the strains of corn that were resistant to the threat of European corn borers, and provides the results of these tests.

Date: May 1942

Creator: Patch, L. H.; Holbert, J. R. & Everly, R. T.

Item Type: Book

open access

Insecticidal efficiency of some oils of plant origin

Describes the results of scientific research examining the effect of plant oils as insecticides.

Date: February 1942

Creator: Cressman, A. W. & Dawsey, Lynn H.

Item Type: Book

open access

Relative effectiveness of acid lead arsenate and other materials as stomach poisons for the larvae of the Japanese beetle.

Provides the results of experiments conducted from 1929 to 1936 to test the efficacy of acid lead arsenate and other insecticides for control of Japanese beetles.

Date: January 1942

Creator: Fleming, Walter E. (Walter Ernest), 1899-

Item Type: Book

open access

Field studies of insecticides used to control cabbage caterpillars in the South.

Describes the damage that cabbage caterpillars can cause to plants, and provides the results of scientific research on insecticides to control the caterpillars in the southern United States.

Date: November 1941

Creator: Reid, W. J. (William John), 1902-; Smith, Charles Egan, 1887-; Reed, L. B. (Lucius Brown), 1906- & Thomas, W. A. (William Andrew), 1883-

Item Type: Book

open access

Hibernation of the corn earworm in southeastern Georgia.

Discusses the results of a study of the hibernation of the corn earworm in Chatham County, Georgia from 1930 to 1933. The study was conducted in an effort to understand seasonal occurences of earworm infestation.

Date: October 1941

Creator: Barber, G. W. (George W.)

Item Type: Book

open access

The biology and control of the sorghum midge.

Describes the life cycle of the sorghum midge, its history in the United States, the damage it can cause to plants, and the steps farmers can take to control the pest and its damage.

Date: July 1941

Creator: Walter, E. V. (Elmer Valentine), 1891-

Item Type: Book

open access

The yellow chapote, a native host of the Mexican fruitfly.

Describes the yellow chapote tree that grows in southern Texas and Mexico, its uses and benefits, and the damage that the Mexican fruitfly causes to the tree.

Date: July 1941

Creator: Plummer, C. C.; McPhail, M. & Monk, J. W.

Item Type: Book

open access

Structure and development of the alimentary canal of the southern armyworm larva.

Describes a scientific research study of southern army larvae. Describes in detail the alimentary canal of the larva.

Date: March 1941

Creator: Woke, Paul A.

Item Type: Book

open access

Experiments with Trichogramma Minutum Riley as a control of the sugarcane borer in Louisiana.

Describes the scientific study of Trichogramma Minutum Riley and its effects on the sugarcane borer at different stages of life.

Date: January 1941

Creator: Jaynes, H. A. (Harold Andrus), 1900- & Bynum, E. K.

Item Type: Book

open access

Three species of the genus Lygus and their relation to alfalfa seed production in southern Arizona and California.

Describes the characteristics of a variety of Lygus and its habits which lead to damaged alfalfa seed in southern Arizona and California.

Date: November 1940

Creator: Stitt, Loyd L.

Item Type: Book

open access

Investigations of the parasites of Popillia japonica and related scarabaeidae in the Far East from 1929 to 1933, inclusive.

Describes the results of scientific research of parasites of the Japanese beetle at various stages of the beetle life cycle. The studies were carried out from 1929 to 1933 in Japan, Chosen (Korea), India, and Taiwan.

Date: October 1940

Creator: Gardner, T. R. (Theodore Roosevelt), b. 1899 & Parker, L. B. (Lawrence Bemis), 1901-

Item Type: Book

open access

Biology of the seed-corn maggot in the coastal plain of the South Atlantic states

Describes the seed-corn maggot of the south Atlantic states at different stages of life, its history, and its habits.

Date: June 1940

Creator: Reid, W. J. (William John), 1902- & Hall, D. G.

Item Type: Book

open access

Prevention of damage by the seed-corn maggot to potato seed pieces.

Uses results from a scientific study to describe how to best protect potato seed pieces from damage by the seed-corn maggot.

Date: February 1940

Creator: Reid, W. J. (William John), 1902-; Wright, R. C. (Robert Claude), b. 1885. & Peacock, Walter M.

Item Type: Book

open access

Timber Growing and Logging Practice in the Northeast: Measures Necessary to Keep Forest Land Productive and to Produce Full Timber Crops.

Discusses timber-growing in the different regions of the northeastern United States. Provides recommendations for maintaining productivity in forested areas.

Date: March 1930

Creator: Dana, Samuel Trask, 1883-

Item Type: Book

UNT Libraries Government Documents Department - 24 Matching Results

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Life history of the wireworm Melanotus longulus (Lec.) in southern California.

Nature and extent of mormon cricket damage to crop and range plants.

Life history and habits of the peachtree borer in the Southeastern states.

The beet leafhopper and its control on beets grown for seed in Arizona and New Mexico.

Life history and control of the tomato pinworm.

Studies of methyl bromide in greenhouse and vault fumigation.

The ecology of the principal summer weed hosts of the beet leafhopper in the San Joaquin Valley, California.

Hibernation of the corn earworm in the central and northeastern parts of the United States

Further studies on the removal of spray residues from eastern-grown apples.

Life history, habits, and control of the beanstalk weevil (Sternechus paludatus) in the Estancia Valley, New Mexico.

Strains of field corn resistant to the survival of the European corn borer.

Insecticidal efficiency of some oils of plant origin

Relative effectiveness of acid lead arsenate and other materials as stomach poisons for the larvae of the Japanese beetle.

Field studies of insecticides used to control cabbage caterpillars in the South.

Hibernation of the corn earworm in southeastern Georgia.

The biology and control of the sorghum midge.

The yellow chapote, a native host of the Mexican fruitfly.

Structure and development of the alimentary canal of the southern armyworm larva.

Experiments with Trichogramma Minutum Riley as a control of the sugarcane borer in Louisiana.

Three species of the genus Lygus and their relation to alfalfa seed production in southern Arizona and California.

Investigations of the parasites of Popillia japonica and related scarabaeidae in the Far East from 1929 to 1933, inclusive.

Biology of the seed-corn maggot in the coastal plain of the South Atlantic states

Prevention of damage by the seed-corn maggot to potato seed pieces.

Timber Growing and Logging Practice in the Northeast: Measures Necessary to Keep Forest Land Productive and to Produce Full Timber Crops.