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The potential of two electrostatic powders as the basis for an autodissemination control method of Plodia interpunctella (Hu¨bner)

The potential of two electrostatic powders as the basis for an autodissemination control method of Plodia interpunctella (Hu¨bner)
The potential of two electrostatic powders as the basis for an autodissemination control method of Plodia interpunctella (Hu¨bner)
A comparison of the retention, horizontal transmission and effect on mating of two electrostatic powders (Entomag™ and Entostat™) was made to evaluate their potential as a component of an autodissemination method for the control of Plodia interpunctella. Both powders were shown to have some effects on mating behaviour and the ability of treated males to locate a pheromone source when applied in high doses. However, no effects were observed at rates consistent with the amount of powder that was actually taken up when the moths visited a prototype autodissemination device. Male and females lost 69.9% and 64.3% by weight, respectively, of Entomag by 48 h after exposure but lost more Entostat, 89.8% and 75.9%, over the same period. Critical to the efficacy of autodissemination is the transfer of powder from males to females and on average a 49% greater weight of Entostat was transferred than Entomag. Due to the different densities of the powders, it was calculated that a 49% increase in transfer of powder equated to over three times more Entostat than Entomag particles being passed from male to female. It was concluded that Entostat would appear to be the carrier of choice for a prototype P. interpunctella autodissemination system.
Plodia interpunctella, autodissemination, powder, dispenser
0022-474X
152-161
Jackson, C. W.
ab14e7be-1b25-4425-9e8f-6ccee5b984a8
Baxter, Ian H.
1d028199-1710-48a2-8851-6e8f713cd76e
Howard, Nicola
46b344fc-3076-4381-8155-ce56aa2cd644
Armsworth, Clare
921b72a0-11ec-490f-b5c1-47078811b1d3
Barton, Lucy
8ae121cd-89bc-4156-9b37-14f797a092b6
Jackson, C. W.
ab14e7be-1b25-4425-9e8f-6ccee5b984a8
Baxter, Ian H.
1d028199-1710-48a2-8851-6e8f713cd76e
Howard, Nicola
46b344fc-3076-4381-8155-ce56aa2cd644
Armsworth, Clare
921b72a0-11ec-490f-b5c1-47078811b1d3
Barton, Lucy
8ae121cd-89bc-4156-9b37-14f797a092b6

Jackson, C. W., Baxter, Ian H., Howard, Nicola, Armsworth, Clare and Barton, Lucy (2008) The potential of two electrostatic powders as the basis for an autodissemination control method of Plodia interpunctella (Hu¨bner). Journal of Stored product Research, 44 (2), 152-161. (doi:10.1016/j.jspr.2007.08.004).

Record type: Article

Abstract

A comparison of the retention, horizontal transmission and effect on mating of two electrostatic powders (Entomag™ and Entostat™) was made to evaluate their potential as a component of an autodissemination method for the control of Plodia interpunctella. Both powders were shown to have some effects on mating behaviour and the ability of treated males to locate a pheromone source when applied in high doses. However, no effects were observed at rates consistent with the amount of powder that was actually taken up when the moths visited a prototype autodissemination device. Male and females lost 69.9% and 64.3% by weight, respectively, of Entomag by 48 h after exposure but lost more Entostat, 89.8% and 75.9%, over the same period. Critical to the efficacy of autodissemination is the transfer of powder from males to females and on average a 49% greater weight of Entostat was transferred than Entomag. Due to the different densities of the powders, it was calculated that a 49% increase in transfer of powder equated to over three times more Entostat than Entomag particles being passed from male to female. It was concluded that Entostat would appear to be the carrier of choice for a prototype P. interpunctella autodissemination system.

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Published date: 2008
Keywords: Plodia interpunctella, autodissemination, powder, dispenser
Organisations: Environmental

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Local EPrints ID: 354732
URI: http://eprints.soton.ac.uk/id/eprint/354732
ISSN: 0022-474X
PURE UUID: 5e928562-554a-4515-82f1-e2934d1284af

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Date deposited: 18 Jul 2013 13:04
Last modified: 14 Mar 2024 14:23

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Contributors

Author: C. W. Jackson
Author: Ian H. Baxter
Author: Nicola Howard
Author: Clare Armsworth
Author: Lucy Barton

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