New insecticides: Effectiveness and limitations of chlorinated hydrocarbon insecticides not yet fully determined
AuthorsA. E. Michelbacher
W. W. Middlekauff
Authors AffiliationsA. E. Michelbacher is Assistant Professor of Entomology and Assistant Entomologist in the Experiment Station, Berkeley; W. W. Middlekauf is Assistant Professor of Entomology and Assistant Entomologist in the Experiment Station, Berkeley.
Hilgardia 3(6):6-12. DOI:10.3733/ca.v003n06p6. June 1949.
Of all the new chlorinated hydrocarbon insecticides, DDT has been the one investigated most thoroughly—and despite a vast amount of research, all of its limitations have not been ascertained.
Also in this issue:California spinach: Economic status in 1948 reviewed and trends in marketing considered
Raisin grapes: Study shows way to reduce picking operations and speed up harvest
Sulfur burn in citrus: Radioactive sulfur used in studies to distinguish between fruit-contained and applied sulfur
Longer-lived alfalfa: Transference of resistance to bacterial wilt gives promise of greater productivity
Storage of citrus fruits: Studies indicate use of 2,4-D and 2,4,5-T sprays on trees prolong storage life of citrus fruits
Dairy cattle nutrition: Eneray, Protein, Mineral and vitamin requirements for maintenance and production
Milk production records: Continued dairy herd improvement possible when breeding program i s based on adequate records
Almond hulls: Tested as feed for dairy cattle and lambs showed promise and limitations in value
New pomegranate mite: Russeting and cracking of peel characterize injury responsible for much culling
Cannibalism in poultry: Causes of problems complex and probably involve nutrition, genetics and management
Sweet corn hybrids: Effects on hybrid varieties when 2,4-D is used in sprays for weed control
The action of Phomopsis californica in producing a stem-end decay of citrus fruits