Strip-treatment with chemicals: Satisfactory commercial control achieved in orange orchard program designed to conserve natural enemies of citrus pests
Authors AffiliationsPaul DeBach is Entomologist in Biological Control, University of California, Riverside; John Landi is Laboratory Technician in Biological Control, University of California, Riverside.
Hilgardia 13(8):14-15. DOI:10.3733/ca.v013n08p14. August 1959.
Based on results of an eight-year study, a 12-month alternation strip-treatment seems to be a feasible control program throughout Orange County areas where purple scale–Lepidosaphes beckii (Newm.)–is the primary pest on oranges.
Also in this issue:Irrigation districts: Payment complex of land assessment and water tolls key tool for pricing policy
Frost protection in peaches: New model under-tree wind machine tested with and without burners in orchard near Wheatland during winter of 1958–59
New winter rye: Productive winter annual cereal grain has high fertility in California tests
High phosphorus for alfalfa: Plant analysis used to evaluate phosphorus status of alfalfa fields as guide to fertilizing for better yields and returns
Lime effect on soil properties: Studies made on the effect of massive lime applications on physical properties of five types of Sacramento Valley soils
Rice water weevil: Beetle pest in rice growing areas of southern states discovered in California
Corn earworm in grain sorghum phosdrin and thiodan: Show promise as substitutes for DDT in two experiments with aerial applications to infested fields
Subtropical insects: Reference on subtropical fruit pests and control measures now in one volume
Inclusions in guard cells of tobacco affected with mosaic
Phloem anatomy of tobacco affected with curly top and mosaic