Black scale control: Supply of natural enemy developed by using pest a s foster host on noneconomic plants

Flanders, S

Black scale control: Supply of natural enemy developed by using pest a s foster host on noneconomic plants

Author

Stanley E. Flanders

Author Affiliations

Perry T. Cupps is Assistant Professor of Animal Husbandry and Assistant Animal Husbandman in the Experiment Station, Davis.

Publication Information

Hilgardia 3(5):7-14. DOI:10.3733/ca.v003n05p7. May 1949.

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Abstract

Oleanders planted along the side of a citrus orchard—toward the prevailing midday winds—can serve as insectaries for the production of the African parasite, Metaphycus helvolus, a natural enemy of black scale introduced into California in 1937 by the University of California.

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Supervised control of insects: Utilizes parasites and predators and makes chemical control more efficient

Codling moth on apricots: Field investigations of problem started in 1948 are to be continued during current season

Wireworms in lima beans: Control by seed treatment with high gamma benzene hexachloride-BHC-investigated

Plant breeding: Disease resistant genes of nonagricultural wheat transferred to commercial bread wheat

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Table grape quality factors: Causes of late maturing in 1946-47 and suggested procedure to improve quality in 1949

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Irrigated pasture costs: Studies revealed costs per animal-unit month varied from $1.00 to over $7.00

Breeding of mares: Management and accurate records may increase percentage of live foals

Shape of the water table in tile drained land