Low Volume And Ultralow Volume Sprays Of Malathion And Methyl Parathion For Control Of Three Lepidopterous Cotton Pests

Methyl parathion in low-volume (LV) spray was more effective than malathion against larvae of tobacco budworm and bollworm in the laboratory. In topical applications, malathion and methyl parathion were more toxic than malaoxon and methyl paraoxon to the tobacco budworm and the bollworm. Topical applications of malathion, malaoxon, methyl parathion, and methyl paraoxon killed greater percentages of larvae of the bollworm than of the tobacco budworm.

Annotation Twenty-one peer-reviewed papers from the Tenth Symposium on [title] held in Denver, Colo., October 1989. They're organized into three categories: perspectives on pesticide risks, formulation technology and characteristics of uptake, and application systems. Annotation copyrighted by Book News, Inc., Portland, OR.

"Provides a detailed summary of pest management principles and techniques, outlining a broad selection of critical issues regarding current practice and future technology in this area. Discusses the role of soils, weather, and surrounding habitats in regulating pest occurrence and severity."

No detailed description available for "Recent Stage and Prospects of Agricultural Mechanization in Developing Countries".