Large-Scale Operations Management Test (LSOMT) of Insects and Pathogens for Control of Waterhyacinth in Louisiana. Volume 2. Results for 1982-1983.
Abstract
During 1979-1983, a Large-Scale Operations Management Test (LSOMT) was conducted to determine the potential for biological control of waterhyacinth in Louisiana using insects and plant pathogens. Biocontrol agents were found to be a viable, long-term, low-cost alternative for waterhyacinth control. Primarily due to biocontrol agent activity, the waterhyacinth population in Louisiana decreased from an average of 1,250,000 acres in 1974-1978 to acres in 1980. This decrease was attributed principally to effects produced by the mottled waterhyacinth weevil (Neochetina eichhorniae Warner). By 1983, the plant population had increased to 657,000 acres, suggesting a cyclical relationship between waterhyacinth and Neochetina populations, in which the waterhyacinth populations, in which the waterhyacinth population declines in the presence of large Neochetina populations, redevelops as Neochetina populations decline, and then declines as Neochetina populations redevelop. Keywords: Aquatic plant control; Cercospora rodmanii conway; Sameodes albiguttalis Warren.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1986
- Accession Number
- ADA176436
Entities
People
- Dana R. Sanders Sr.
- Edwin A. Theriot