Derris as a Toxic Supplement to Oil Emulsions for the Control of Purple Scale*
- 1 August 1939
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 32 (4) , 587-595
- https://doi.org/10.1093/jee/32.4.587
Abstract
Since oil sprays do not possess a high degree of true toxicity to scale insects but are dependent on the physical properties of a persistent oil film for their effectiveness, investigators have endeavored for a number of years to incorporate constituents into oil sprays that would increase their toxicity.This publication has 2 references indexed in Scilit:
- The Toxicity of Derris to Larvae of the Citrus WhiteflyJournal of Economic Entomology, 1939
- Orchard Trials of Dinitro-O-Cyclo-Hexylphenol in Petroleum Oil for Control of Rosy Apple Aphis and San Jose ScaleJournal of Economic Entomology, 1936