Government Documents A to Z Digitization Project -
24 Matching Results
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.
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.
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.
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.
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.
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.
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.
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.
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.
Insecticidal efficiency of some oils of plant origin
Describes the results of scientific research examining the effect of plant oils as insecticides.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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