Migrating aphids on walnuts: Regimentation of aphid-free orchards a constant threat from infested orchards on windward side
A. E. Michelbacher, University of california
O. G. Bacon, University of California
California Agriculture 7(6):8-8. DOI: 10.3733/ca.v007n06p8.
A. E. Michelbacher is Associate Professor of Entomology, University of california, Berkeley; O. G. Bacon is Assistant professor of Entomology, University of California, Berkeley;
Not available – first paragraph follows:
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.