Evaluating the benefits of doseresponse bioassays during aerial pest eradication operations

Authors

  • B. Richardson
  • M.K. Kay
  • M.O. Kimberley
  • J.G. Charles
  • B.A. Gresham

DOI:

https://doi.org/10.30843/nzpp.2005.58.4248

Abstract

Between January 2002 and May 2004 a series of aerially applied sprays of Btk (Bacillus thuringiensis var kurstaski) were made to areas of Auckland and Hamilton New Zealand The purpose of the sprays was to eradicate the painted apple moth (PAM; Teia anartoides) from Auckland and the Asian gypsy moth (AGM; Lymantria dispar) from Hamilton In both operations bioassays were used to test the effectiveness and consistency of spray applications Bioassays were undertaken by placing foliage samples (Acacia mearnsii) at a selection of locations in the spray zone next to cards on which spray deposition was measured After spraying PAM larvae were placed on each plant and mortality recorded Results indicated that there was a strong relationship between droplet density on cards and PAM mortality on plants Once this relationship was determined further bioassays were of limited additional value to simply measuring deposition on cards

Downloads

Published

2005-08-01

How to Cite

Richardson, B., M.K. Kay, M.O. Kimberley, J.G. Charles, and B.A. Gresham. “Evaluating the Benefits of Doseresponse Bioassays During Aerial Pest Eradication Operations”. New Zealand Plant Protection 58 (August 1, 2005): 17–23. Accessed October 17, 2021. https://journal.nzpps.org/index.php/nzpp/article/view/4248.

Issue

Section

Papers

Most read articles by the same author(s)

1 2 3 4 5 > >>