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Rust Warning for Northern Crops

24 August 2011

AUSTRALIA - As news of the first cereal rust outbreaks in southern Australia reach the University of Sydney's Plant Breeding Institute (PBI), northern region growers are reminded to be vigilant in crop monitoring this season.

Professor Robert Park, Australian Cereal Rust Control Program director located at PBI says last year’s wet season and the resultant green bridge of volunteer plants and weeds have favoured inoculum build-up of cereal rust.

“Significant inoculum loads have survived through the green bridge period between crops and early detection gives greater opportunities for timely intervention,” Professor Park said.

“Stem rust has been observed in stubble regrowth situations in the southern regions of eastern Australia since January.

“Wheat leaf rust and barley leaf rust have been recorded in eastern Australia at low levels since April.

“The first report of wheat stripe rust for 2011 has been made in early July from southern NSW, along with oat crown rust and oat stem rust frequently observed since April in crop regrowth and from weedy oat populations.”

TheCropSite News Desk

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