Chemical attractants for navel orangeworm moths
AuthorsD. W. Price
J. A. Mazrimas
F. M. Summers
Authors AffiliationsD. W. Price is Senior Laboratory Technician II, Department of Entomology, University of California, Davis; J. A. Mazrimas is Biochemist, Lawrence Radiation Laboratory, U. C., Livermare; F. M. Summers is Professor of Entomology at Davis.
Hilgardia 21(11):10-11. DOI:10.3733/ca.v021n11p10. November 1967.
The navel orangeworm, Paramyelois transitella (Walker), is a sporadic pest of almonds in California. Crop damage caused by this pest tends to increase and persist at an economically significant level for a few years in a particular locality, and then to drop to a low, chronic level for an indefinite period. The factors causing these changes in infestation are not known. Since this moth does not attack an almond crop until the nuts begin to ripen, the grower usually does not appreciate the extent of its damage until harvesting begins. A system to detect and assess changes in the pest population would enable growers to adjust harvest operations, if necessary, to minimize damage; for example, to harvest and fumigate susceptible soft-shell varieties as early as possible. These studies were to determine the value of chemical attractants in a detection program.
Also in this issue:Baled vs. cubed alfalfa hay, for ewes and lambs
Effects of relative humidity on Irish potatoes in storage
Effects of irrigation practices on safflower yield in San Jbaquin Valley
Sunken mottle of Honey Dew melons
Irrigation and nitrogen for cotton… a yield surface and optimum combinations on a Panoche loam soil
Insect damage to sesame… and control possibilities
Effects of 2,4-D and related substances on fruit-drop, yield, size, and quality of Valencia oranges