|
Australian cereal rust report: Wheat stripe rust pathogen population in Eastern Australia
Sydney, New South Wales, Australia
October 1, 2009
Cereal Rust Report - Season 2009
Wheat stripe rust pathogen population in Eastern Australia
September 2009
Colin Wellings
The University of Sydney, Plant Breeding Institute
(on secondment from NSW Department of Primary Industries)
The early occurrence of wheat stripe rust in 2009 and the subsequent disease evelopment in winter indicated that an epidemic of similar magnitude to the historic severe outbreak in 2008 could be expected. However, rainfall has been erratic in the latter part of winter and early spring and this has lowered yield potential in certain regions and concurrently reduced stripe rust development. In other regions where environmental conditions have been more suited to wheat and the stripe rust pathogen, proactive spray programs in varieties known to be vulnerable have served to mitigate potential crop losses. The ‘WA Yr17’ pathotype appears to have doubled in frequency in 2009, although the ‘Jackie’ pathotype continues to dominate.
Click HERE for full rust report.
Archive of reports:
http://www.agric.usyd.edu.au/plant_breeding_institute/cereal_rust/reports_forms.shtml
More news from: University of Sydney / Plant Breeding Institute
Website: http://www.usyd.edu.au Published: October 1, 2009 |
|
The news item on this page is copyright by the organization where it originated
Fair use notice |
