Pesticide mode of action codes to aid ornamental growers in developing control programs to manage pest resistance

Elzie Mccord, Jr., James F. Price, Curtis A. Nagle


The development of resistance to pesticides has caused problems in producing high quality, economically competitive ornamental plants in Florida. Presently, there are approximately 65 pesticide active ingredients involving at least 25 different modes of action available for arthropod control on ornamental crops in Florida. Resistance management requires growers to consider product mode of action as a major factor in rotational schedules. Mode of action information is not usually found on product labels or in informational fact sheets, thus preventing many growers from developing individualized control programs with emphases on arthropod resistance management. A coding system has been developed to identify pesticide modes of action. Pesticides of different modes of action should be selected to apply in a rotation to a single arthropod community, thus avoiding selection within that community for resistant individuals.


ornamentals; insecticides; pesticides; insects; ipm

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Proc. Fla. State Hort. Soc.     ISSN 0886-7283