Aphid control on potatoes: Experimental plots near Arvin and Shafter used to test effectiveness of insecticides
AuthorEdward S. Sylvester
Author AffiliationsEdward S. Sylvester is Instructor in Entomology and Junior Entomologist in the Experiment Station, Berkeley.
Hilgardia 2(9):14-14. DOI:10.3733/ca.v002n09p14. September 1948.
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.
Also in this issue: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