Forwarded from Crop Biotech Update 1 August 2003
CSIRO: 75% REDUCTION IN PESTICIDES FROM GM COTTON
Three years of field trials of genetically modified (GM) cotton in
Australia, particularly Bollgard II, has shown that pesticide use can be
reduced by as much as 75 percent compared to conventional cotton. This was
revealed by Australia's Commonwealth Scientific and Industrial Research
Bollgard II is commercially available for planting in Australia this year.
Greg Constable, CSIRO Plant Industry cotton breeder, says that the
introduction in 1996 of the GM cotton, Ingard, resulted in pesticide
reduction by about 50 percent compared to conventional cotton. Australian
farmers will now experience further reduction in pesticide use by using
The Office of the Gene Technology Regulator approved the general release of
Bollgard II last year and in 2003-2004 it will comprise about 15% of the
total cotton crop. By 2004-2005, Bollgard II could be 80% of the cotton crop
and Ingard, the original GM cotton, will not be grown at all after the
2003/04 season to minimize the risk of insects developing resistance to Bt.
Bollgard II varieties were developed by CSIRO Plant Industry, using genes
under license from Monsanto, and will be sold by Cotton Seed Distributors.
More of CSIRO at
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Dr Anton Doroszenko, Editor, organic-research.com
CAB International, Wallingford, Oxon, OX10 8DE, UK.
Tel: +44-(0)1491-829366 Fax: +44-(0)1491-833508