The 2005 ESA Annual Meeting and Exhibition
December 15-18, 2005
Ft. Lauderdale, FL

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Thursday, December 15, 2005 - 10:42 AM

BAS 320 metaflumizone: a new tool for insect management in vegetable crops

David G. Riley, and James E. Taylor, University of Georgia, Department of Entomology, Coastal Plain Experiment Station, Rainwater Rd, S. Entomology Dr, Tifton, GA

A new insecticide, BAS 320 I - metaflumizone from BASF Corporation (tolerance for residues on cabbage 5 ppm and on tomato 1 ppm), was evaluated for efficacy against Lepidoptera pests in cabbage and tomato. Metaflumazone is a relatively safe compound (oral LD50 > 5,000 mg/kg) with known activity on various Lepidoptera crop pest species. The species targeted in these trials were (in cabbage) diamondback moth, Plutella xylostella, cabbage looper, Trichoplusia ni, imported cabbage worm, Pieris rapae, (in tomato) beet armyworm, Spodoptera exigua, tobacco hornworm, Manduca sexta and others. In cabbage, BAS 320 was one of the better treatments for the Lepidoptera complex and was comparable to the efficacy of other standard treatments, Avaunt, Spintor and a Novaluron + Avaunt combination. In tomato, BAS 320 significantly controlled beet armyworm, tobacco hornworm, and cabbage looper, but there was a negative effect of certain adjuvants on BAS 320 efficacy at the 18.3 fl oz/a rate. The highest level of efficacy of all treatments in the test in terms of low Lepidoptera larval numbers and low damage to fruit were the 22.3 fl oz/a rate of BAS 320 plus Ag oil 1% or Laytron B1956 5 fl oz/a.

Species 1: Lepidoptera Plutellidae Plutella xylostella (Diamondback Moth)
Species 2: Lepidoptera Noctuidae Trichoplusia ni (Cabbage Looper)
Species 3: Lepidoptera Noctuidae Spodoptera exigua
Keywords: Insecticide, Efficacy

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