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Phosphine fumigation of cool grain

Daglish, G.J. and Holloway, J. C. and Newman, C.R. and Burrill, P.R. (2008) Phosphine fumigation of cool grain. Project Report. Cooperative Research Centre for National Plant Biosecurity.

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Article Link(s): http://legacy.crcplantbiosecurity.com.au/sites/all...

Abstract

The biosecurity problem addressed was the need to understand and evaluate phosphine fumigation of cool grain (i.e. 20°C or less) as a means of controlling resistant biotypes of insect pests of stored grain which are major EPPs threatening the grain industry. The benefits of cooling and phosphine fumigation are that cooling preserves grain quality and reduces insect population growth, and phosphine kills insects and has a residue free status in all major markets.

The research objectives were to:

- conduct laboratory experiments on phosphine efficacy against resistant insects in cool grain, and determine times to population extinction.
- conduct laboratory experiments on phosphine sorption in cool grain and quantify.
- complete fumigation trials in three states (Queensland, WA and NSW) on cool grain stored insealed farm silos.
- make recommendations for industry on effective phosphine fumigation of cool grain.

Phosphine is used by growers and other stakeholders in the grain industry to meet domesticand international demands for insect-free grain. The project aim was to generate new information on the performance of phosphine fumigation of cool grain relevant to resistant biotypes. Effective control of resistant biotypes using phosphine to fumigate cool grain will benefit growers and other sectors of the grain industry, needing to fumigate grain in the cooler months of the year, or grain that has been cooled using aeration.

Item Type:Monograph (Project Report)
Corporate Creators:Department of Primary Industries & Fisheries, Queensland
Subjects:Agriculture > Agriculture (General) > Agricultural education
Plant culture > Field crops > Grain. Cereals
Plant pests and diseases > Pest control and treatment of diseases. Plant protection
Deposited On:11 Nov 2011 05:35
Last Modified:12 Apr 2016 22:51

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