Migrating aphids on walnuts: Regimentation of aphid-free orchards a constant threat from infested orchards on windward side
Authors
A. E. MichelbacherO. G. Bacon
Authors Affiliations
A. E. Michelbacher is Associate Professor of Entomology, University of california, Berkeley; O. G. Bacon is Assistant professor of Entomology, University of California, Berkeley.Publication Information
Hilgardia 7(6):8-8. DOI:10.3733/ca.v007n06p8. June 1953.
PDF of full article, Cite this article
Abstract
A single treatment—with one of the several available insecticides—could control aphids on walnuts for an entire season if migrating aphids could be kept from the orchard.
Michelbacher A, Bacon O. 1953. Migrating aphids on walnuts: Regimentation of aphid-free orchards a constant threat from infested orchards on windward side. Hilgardia 7(6):8-8. DOI:10.3733/ca.v007n06p8
Also in this issue:
Cotton acreage adjustment: Major changes in San Joaquin Valley land use pattern in prospect for cotton areas in 1954Marketing of hops analyzed: Influence of the control program on the hop marketing situation in California studied
Almond harvesting: Mechanization promising in reducing harvesting costs
New almond variety released: A good pollinizer for Nonpareil with good nut quality, tree growth, yield, available for general propagation
Walnuts in Southern California: Control of codling moth by treatment with new materials evaluated during 1952 season
Fertilizer sources for cotton: Fertilizer materials supplying nitrogen and phosphate tested for crop producing efficiency
Purple scale control: Imported parasites give promise of ultimate biological control
Vinegar fly in tomato fields: Series of experimental tests indicates solution of control problem may be in field treatments
Oriental fruit fly studies: Mass culture of natural enemies of destructive fly possible after two years of laboratory research
Orchard plow-pans: Obstacle to root distribution and water penetration can be reduced
Commercially grown carnations: Studies in soil fertility control made to determine optimum fertilization for production of ornamentals
Spinach at retail: Study of fresh packaged and bulk spinach compared quality and price
Vaccination of swine against tuberculosis with Calmette-Guérin culture, BCG