Field application of biopolymercoated <i>Beauveria bassiana</i> F418 for clover root weevil (<i>Sitona lepidus</i>) control in Waikato and Manawatu

Authors

  • M. Brownbridge
  • T.L. Nelson
  • D.L. Hackell
  • T.M. Eden
  • D.J. Wilson
  • B.E. Willoughby
  • T.R. Glare

DOI:

https://doi.org/10.30843/nzpp.2006.59.4481

Abstract

Clover root weevil (CRW) (Sitona lepidus) continues to have a severe impact on white clover in pastures in the North Island of New Zealand Trials were established in October 2005 as part of a continuing evaluation of the insectpathogenic fungus Beauveria bassiana F418 strain for management of this pest F418 was applied as a rice biopolymer formulation targeting CRW larvae in the clover root feeding zone (35 cm below the surface) Overall there was a reduction in CRW numbers at all of the test sites The number of larvae recovered was significantly lower in F418treated than control plots after 3 weeks and the number of pupae was similarly lower in F418 than control plots after 6 weeks Higher levels of fungal propagules were recovered from 06 cm in the soil profile than 610 cm

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Published

2006-08-01

How to Cite

Brownbridge, M., Nelson, T., Hackell, D., Eden, T., Wilson, D., Willoughby, B., & Glare, T. (2006). Field application of biopolymercoated <i>Beauveria bassiana</i> F418 for clover root weevil (<i>Sitona lepidus</i>) control in Waikato and Manawatu. New Zealand Plant Protection, 59, 304-311. https://doi.org/10.30843/nzpp.2006.59.4481

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