Spider mite on walnuts: Promising results obtained with three miticides tested in control experiments in infested walnut orchard at San Jose
AuthorA. E. Michelbocher
Author AffiliationsA. E. Michelbacher is Professor of Entomology, University of California, Berkeley.
Hilgardia 11(11):11-11. DOI:10.3733/ca.v011n11p11. November 1957.
The most destructive species of spider mites—found in localities where experimental investigations were conducted in 1956—was the European red mite. Infestations of the Pacific spider mite and the two-spotted spider mite were limited and noneconomic.
Also in this issue:Trends in citrus marketing: Differential trends in production and utilization of citrus predominantly tied to the industry's fresh-shipping market
Rapid pack system for oranges: Designed for lemon packing and adapted for oranges, method is essentially a result of long term motion and time analyses
Organic chemicals on citrus: Stimulation of tree growth resulted from addition of certain pure compounds to nutrient cultures in glasshouse studies
High and low budding of citrus: Malformation of bud union of citrus trees on Sampson tangelo, and Cleopatra mandarin stock seems related to budding height
Grocery stores in California: Analytical study of representative retail grocery stores made to determine factors affecting store characteristics
Natural food flavor intensity: Apricot, peach, and pear nectars studied to determine the sweetness-acid-flavor relationship in a natural food product
Use of geese for grass control: Amount of grass, available water, field size, type of crop, among factors affecting use of naturally selective weeders
Sewage sludges for agriculture: Production of high value specialty crops, nursery stock and similar crops possible disposal outlet for treated sewage
Labor field-transit machines: Planting, thinning, weeding, other hand operations in some row crops facilitated by within-field transportation for labor
Host-determined morphological variations in Lecanium corni
The orange tortrix, Argyrotaenia citrana