Pest Management in the United States Greenhouse and Nursery Industry: V. Insect and Mite Control

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  • 1 Associate professor and extension entomologist, University of Georgia, P.O. Box 1209, Tifton, GA 31793.
  • | 2 Associate professor and extension horticulturist, University of Georgia, P.O. Box 1209, Tifton, GA 31793.
  • | 3 Professor and extension entomologist, Georgia Experiment Station, University of Georgia, Griffin, GA 30223.
  • | 4 Associate professor, University of Florida Research and Education Center, Route 4, Box 4092, Monticello, FL 32344-9304.
  • | 5 Emeritus professor of plant pathology, Central Florida Research and Education Center, University of Florida, Apopka, FL 32703.
  • | 6 Professor, Department of Statistical and Computer Service, Coastal Plain Experiment Station, Tifton GA 31793.

A national survey of the greenhouse and nursery industry provided data on insecticide/miticide use in 1993. Respondents reported using 46 different compounds, and the industry used an estimated 2.8 million pounds of active ingredients to control insect and mite pests. The most frequently used material was acephate: 52% of the respondents reporting use in 1993. The most heavily used material was a miticide, dienochlor, with an estimated 643,281 lb (292,400 kg) applied, or 28% of the total. Only three other compounds represented more than 5% of the total use—carbaryl (498,073 lb or 22%) (226,397 kg), diazinon (326,131 lb or 14%) (148,242 kg), and propargite (143,888 lb or 6%) (65,404 kg). Of the top four products, two (dienochlor and propargite) are miticides. Together these represented 34% of the total estimated insecticide/miticide use, demonstrating the importance of mites as pests in the industry.

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