Tomato insect studies: DDD and DDT in three-year tests with chlorinated hydrocarbons
Authors
A. E. MichelbacherW. W. Middlekauff
N. B. Akesson
Authors Affiliations
A. E. Michelbacher is Assistant Professor of Entomology and Associate Entomologist in the Experiment Station, Berkeley; W. I. Middlekauff is Assistant Professor of Entomology and Assistant Entomologist in the Experiment Station, Berkeley; N. B. Akesson is Instructor in Agricultural Engineering and Junior Agricultural Engineer in the Experiment Station, Davis.Publication Information
Hilgardia 4(5):11-12. DOI:10.3733/ca.v004n05p11. May 1950.
PDF of full article, Cite this article
Abstract
Excellent control of tomato insects with DDT and DDD was achieved during the three-year period, 1946-1949. DDT and DDD were used safely on canning tomatoes and, when properly applied, gave excellent control without creating an objectionable residue problem.
Michelbacher A, Middlekauff W, Akesson N. 1950. Tomato insect studies: DDD and DDT in three-year tests with chlorinated hydrocarbons. Hilgardia 4(5):11-12. DOI:10.3733/ca.v004n05p11
Also in this issue:
Lamb consumption: Varies according to population group and to size of family annual incomeDairy industry, 1949: Progress report of research conducted by members of the staff of the Division of Dairy Industry at Davis
Fruit size and leaf composition: Concentration of potassium in orange leaves found to be associated with fruit sizes
New sugar beet pest: 100% control of sugar beet crown borer achieved in 1949 tests
Wax sprays for sweet cherries: Fail to increase size of fruit in experimental tests in Davis in 1946 and in San Joaquin County in 1949
Walnut aphid control: Aphicide in May codling moth spray effective in northern California
Alfalfa caterpillar control: Treatment of fields by airplane application of spray advances destruction of pest
Cantaloupe mosaic insect vectors of virus disease resist insecticides in field tests
Tomato spacing: Close spacing increased early yields in 1946–1949 experiments
Harvesting asparagus: Comparative effects on yield of cutting and of snapping studied
Housing lumber: Depends upon family income, cost of ownership, population growth
The medullated wool fiber