Dip Treatment of Tropical Ornamental Foliage Cuttings in Fluvalinate to Prevent Spread of Insect and Mite Infestations

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Abstract:

Cuttings of tropical ornamental foliage plants were dipped in fluvalinate at rates of 0.84, 1.68, and 3.36 g (AI)/100 liters of water for the control of Tetranychus urticae Koch, Phenacoccus solani Ferris, Myzus persicae (Sulzer), and Trialeurodes vaporariorum (Westwood). When cuttings were dipped for 1 min in the 1.68-g rate of fluvalinate, populations of all pest species were reduced by at least 70%. Phytotoxicity studies were also conducted with the following plant species: Dieffenbachia maculata (Lodd.) G. Don. Dracaena margtnata Lam., Codiaeum variegatum (L.) Blume, Cissus rhombifolia Vahl, Cordyline terminalis (L.) Kunth, Epipremnum aureum (Linden & André) Bunt., Ficus pumila L., Hedera helix L., Hoya carnosa (L.f.) R. Br., Maranta leuconeura E. Morr. kerchoviana, Peperomia obtusifolia (L.) A. Dietr., and Philodendron scandens oxycardium (Schott) Bunt. No noticeable foliar damage was observed for any of the species tested. Significant reductions in number of roots or root weight were obtained for C. rhombifolia and C. terminalis when they were dipped in fluvalinate at the 3.36-g rate for 2 min. All other species had normal to increased root development as a result of dipping. Concentration of fluvalinate in the dip solution had more effect on the expression of phytotoxicity in C. terminalis than did the amount of time cuttings were in the dip solution.

Document Type: Research Article

Publication date: April 1, 1986

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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