Insect problems in forest recreation areas pine needle scale… mosquitoes
AuthorsD. L. Dahlsten
J. E. Prine
Authors AffiliationsD. L. Dahlsten is Associate Professor of Entomology and Associate Entomologist, Division of Biological Control, University of California, Berkeley; R. Garcia is Lecturer and Assistant Research Entomologist in the Agricultural Experiment Station, Division of Biological Control, University of California, Berkeley; J. E. Prine is Assistant Vector Control Specialist, Bureau of Vector Control and Solid Waste Management, State Department of Public Health, Sacramento; R. Hunt is Forest Entomologist, State Division of Forestry, Sacramento.
Hilgardia 23(7):4-6. DOI:10.3733/ca.v023n07p4. July 1969.
Man's exploitation of his surroundings with disregard for nature's interrelationships has led to serious environmental problems including pollution of the air, water, and land. All of man's activities influence his environment in one way or another. The problem is to find ways to minimize this influence and make sure that these activities disrupt the environment as little as possible.
Also in this issue:Keeping California beautiful
“Space” chamber U.C. Berkeley
Weed control in nonbearing citrus
SW44 nondormant alfalfa with stem nematode resistance released to plant breeders
A progress report… citrus response to removed terminal buds and leaves
Effects of Ethrel on fruit ripening of tomatoes… greenhouse, field and postharvest trials
Response of eckespoint C-1 poinsettia to growth retardants
Control of thrips on chrysanthemums grown for cut flowers
Irrigated pastures compete favorably with other field crops in California
Chromotropic acid method for determining 2,4-D residues in rinses