Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Navel orangeworm: Field control of walnut pest in northern California aided by restrictive measures

Authors

A. E. Michelbacher
Norman Ross

Authors Affiliations

A. E. Michelbacher is Associate Professor of Entomology, University of California, Berkeley; Norman Ross is Farm Advisor, Stanislaus County, University of California.

Publication Information

Hilgardia 9(3):4-4. DOI:10.3733/ca.v009n03p4. March 1955.

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Abstract

The naval orangeworm has been increasing as a pest of walnuts and almonds.

Michelbacher A, Ross N. 1955. Navel orangeworm: Field control of walnut pest in northern California aided by restrictive measures. Hilgardia 9(3):4-4. DOI:10.3733/ca.v009n03p4

Also in this issue:

Costs of field packing lettuce: Comparative study made of three methods of field packing lettuce in Salinas-Watsonville area for interstate shipments

Prices and marketing margins: Studies show how retail stores price their fresh citrus, and what it means to growers, distributors, and consumers

Russeting of bartlett pears: Investigation in two areas showed copper dusts applied for blight control not cause of russeting in orchards studied

Burning and soil fertility: Greenhouse tests with lettuce and barley indicate nutrient content of forest soils increased by prescribed burning

Khapra beetle control studies: Preliminary results of tests with fumigants and dust give promise of effective treatments against destructive pest

Water quality in rice fields: Studies of possible causes of poor rice stands indicate level of total salts content of water influences growth and yield

Crown and root rot of alfalfa: New disease of alfalfa caused by water mold found to be component of the crown and root rot complex

Westside dust plots: Test plantings show some promise as means of reducing dust problem

Index of orange fruit maturity: Compositional changes in the juice of Washington navel and Valencia oranges studied during development and ripening

Fluorine toxicity in citrus: Growth retardation and leaf tip-burn accompanied increased fIuorine concentrations in experimentaI laboratory cultures

Copper content of citrus leaves and fruit in relation to exanthema and fumigation injury

Physiological gradients in citrus fruits

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