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EVALUATION OF SELECTED INSECTICIDES AGAINST LOOPERS AND BEET ARMYWORM (BAW)

EVALUATION OF SELECTED INSECTICIDES AGAINST LOOPERS AND BEET ARMYWORM (BAW) (E73) SWEET POTATO: Ipomoea batatas L., 'Beauregard' EVALUATION OF SELECTED INSECTICIDES AGAINST LOOPERS AND BEET ARMYWORM (BAW) E. Burris LSU Agricultural Center Northeast Research Station PO Box 438 St. Joseph, LA 71366 Tel: (318) 766-4607 Fax: (318) 766-4278 eburris@agctr.lsu.edu R. Costello K. Sanders Soybean looper (SBL): Pseudoplusia includens (Walker) Cabbage looper (CL): Trichoplusia ni (Hübner) Beet armyworm (BAW): Spodoptera exigua (Hübner) Large plots (ca. 5 acres) were established at the Macon Ridge branch of the Northeast Research Station near Winnsboro, LA. Treatments were applied using a John Deere 6700 hi-cycle calibrated to deliver 10 gpa. Treatment efficacy was determined 23 Aug by counting the number of insects in 25 sweeps taken in eight randomly chosen locations in each plot. Insecticide treatments were compared with a pre-count taken on 21 Aug. Sample locations represented treatment replications. Data were subjected to ANOVA and means separated using DMRT. All treatments reduced loopers compared with the untreated. Although no BAW were found on 21 Aug, on 23 Aug more looper larvae were found in the plot treated with Larvin compared with Tracer or Intrepid. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

EVALUATION OF SELECTED INSECTICIDES AGAINST LOOPERS AND BEET ARMYWORM (BAW)

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Oxford University Press
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© Published by Oxford University Press.
eISSN
2155-9856
DOI
10.1093/amt/28.1.E73
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Abstract

(E73) SWEET POTATO: Ipomoea batatas L., 'Beauregard' EVALUATION OF SELECTED INSECTICIDES AGAINST LOOPERS AND BEET ARMYWORM (BAW) E. Burris LSU Agricultural Center Northeast Research Station PO Box 438 St. Joseph, LA 71366 Tel: (318) 766-4607 Fax: (318) 766-4278 eburris@agctr.lsu.edu R. Costello K. Sanders Soybean looper (SBL): Pseudoplusia includens (Walker) Cabbage looper (CL): Trichoplusia ni (Hübner) Beet armyworm (BAW): Spodoptera exigua (Hübner) Large plots (ca. 5 acres) were established at the Macon Ridge branch of the Northeast Research Station near Winnsboro, LA. Treatments were applied using a John Deere 6700 hi-cycle calibrated to deliver 10 gpa. Treatment efficacy was determined 23 Aug by counting the number of insects in 25 sweeps taken in eight randomly chosen locations in each plot. Insecticide treatments were compared with a pre-count taken on 21 Aug. Sample locations represented treatment replications. Data were subjected to ANOVA and means separated using DMRT. All treatments reduced loopers compared with the untreated. Although no BAW were found on 21 Aug, on 23 Aug more looper larvae were found in the plot treated with Larvin compared with Tracer or Intrepid.

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Arthropod Management Tests – Oxford University Press

Published: Jan 1, 2003

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