Grower acceptance of economic thresholds for weed management in Illinois

George F. Czapar, Marc P. Curry, Loyd M. Wax

Research output: Contribution to journalArticlepeer-review

Abstract

Although economic thresholds are often used to make insect control decisions, the use of thresholds for weed management has been limited. Surveys of growers, agricultural chemical dealers, and farm managers/rural appraisers helped identify limitations to grower acceptance of economic thresholds for weed management. Most growers were concerned about harvest problems due to weeds, with 64% identifying this factor as a major limitation. Landlord perception and weed seed production were identified by 38% of the growers as major limitations, while 36% of the growers listed general appearance of the field as reasons. In contrast, 75% of the agricultural chemical dealers and 63% of the farm managers surveyed listed field appearance as a major reason limiting grower acceptance of economic thresholds for weed management. Since grower concerns involve risk management and future profitability, economic weed thresholds that address long-term costs and benefits of weed control decisions may be more fully accepted.

Original languageEnglish (US)
Pages (from-to)828-831
Number of pages4
JournalWeed Technology
Volume11
Issue number4
StatePublished - Oct 1 1997
Externally publishedYes

Keywords

  • Economic thresholds
  • Integrated pest management

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science

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