Aphid control on potatoes: Experimental plots near Arvin and Shafter used to test effectiveness of insecticides

Sylvester, E

Aphid control on potatoes: Experimental plots near Arvin and Shafter used to test effectiveness of insecticides

Author

Edward S. Sylvester

Author Affiliations

Edward S. Sylvester is Instructor in Entomology and Junior Entomologist in the Experiment Station, Berkeley.

Publication Information

Hilgardia 2(9):14-14. DOI:10.3733/ca.v002n09p14. September 1948.

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Abstract

Aphid control on potatoes by the use of some of the newer organic chemical compounds as aphicides was studied in the spring of 1948 in two series of small replicated plots in Kern County.

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Farm tenancy: Practices changing in relationship between farm owner and tenant

Citrus pest control: Studies made of results from the addition of 2,4-D to oil sprays

Fertilization of celery: Adequate supply of nitrogen required for best yields

Alternate bearing of avocado: May be corrected eventually by one of two possible solutions to problem

Abscission: Chemical control of shedding or dropping of plant parts

Fruit-stem die-back: Reduction is extra benefit of application of 2,4-D to citrus for fruit drop control

Weed control: Effectiveness of soil treatment compared with contact sprays in rank growing crops

Control of rats and mice: Effectiveness requires continuous application of proven methods

Onion seed yields increased: By adequate supply of irrigation water

Wood pocket: May be result of virus or toxin in parent tree in certain strain of Lisbon lemon

Sulfa drugs tested: For control of coccidiosis, pullorum, typhoid and cholera in chickens

Swine production: Development of bacon-type hog considered by California growers

A preliminary study of petroleum oil as an insecticide for citrus trees