You are here

wheat rust

Catalogue: GRDC Updates
Variation in NFNB is on the increase and making resistance ratings for varieties more complicated... After the demise of Skiff in 1999 only low levels of the disease were observed in barley crops, mainly on Barque on the lower Yorke Peninsula, and apparently only one pathotype was present... The differences within the rust population go unnoticed in annual surveys conducted by the University of Sydney but can lead to very significant differences in crop damage...
Related categories:
Catalogue: Ground Cover
Cereal rust strains provide clues to resistance.. Cereal rust pathotypes - which are races or strains of the disease that vary in their ability to overcome resistance genes in cereal varieties - are common in most Australian wheat, barley, oat, rye and triticale crops... All barley cultivars carrying this resistance gene are currently resistant to leaf rust in Western Australia, while in eastern Australia, some are moderately susceptible to susceptible...
Related categories:
Catalogue: GRDC YouTube channel
" Victorian growers urged to plan ahead for cereal diseases in 2014 23 April 2014 Victorian Department of Environment and Primary Inductries (DEPI) Senior Plant Pathologist Cereals, Dr Grant Hollaway, discusses the wheat rust forecast for Victoria in 2014 and cereal disease management... Technology to reduce spray drift GCTV: Drift Reducing Technology..
Related categories:
Catalogue: GRDC Final Reports
Studies within the project have shown that some of the newly identified slow rusting genes have pleiotropic effects on multiple diseases... In the first phase of this project, this partnership led to the cloning of the first adult plant resistance gene, Lr34/Yr18/Pm38 and the development of a gene-based molecular marker that is routinely being used by many breeding programs worldwide... In 2012, Australian wheat, durum and triticale varieties were also evaluated for stripe rust, as well as for leaf rust in Mexico with prevalent races that constitute an important threat to wheat production if introduced to Australia...
Related categories:
Catalogue: GRDC Final Reports
With the appearance and spread of mutants of the Ug99 lineage originating in Africa, most of the stem rust resistance genes used in Australian wheats are now vulnerable to stem rust... Progeny tests showed that six plants were Lr resistant and two plants were susceptible... Stocks with several hundred critical seeds carrying the 6Ae chromosome in a ph1bph1b genotype have been produced...
Related categories:
Catalogue: Ground Cover
Of the three rust diseases affecting wheat crops, leaf rust is often overlooked because it is thought to be less damaging than stem rust and stripe rust... The new pathotype found in WA last year has a DNA fingerprint identical to isolates of the '76 group' from eastern Australia, clearly showing it has spread from east to west in Australia... Some wheat varieties, such as King Rock , Fortune and Zippy , have additional leaf rust resistance that is expected to remain effective, meaning a lesser shift in their resistance ratings from moderately resistant (MR) to MS. LongReach Cobra , Mace and Carnamah varieties have shown varying responses to the new pathotype, so further tests are underway to more accurately determine how they might react...
Related categories:
Catalogue: Ground Cover
Of the three rust diseases affecting wheat crops, leaf rust is often overlooked because it is thought to be less damaging than stem rust and stripe rust... The new pathotype found in WA last year has a DNA fingerprint identical to isolates of the '76 group' from eastern Australia, clearly showing it has spread from east to west in Australia... Some wheat varieties, such as King Rock , Fortune and Zippy , have additional leaf rust resistance that is expected to remain effective, meaning a lesser shift in their resistance ratings from moderately resistant (MR) to MS. LongReach Cobra , Mace and Carnamah varieties have shown varying responses to the new pathotype, so further tests are underway to more accurately determine how they might react...
Related categories:
Catalogue: GRDC Updates
Introduction Within south-eastern Australia, rusts are the most widespread and potentially damaging diseases of cereal crops... For example, leaf rust of wheat does not attack barley... A good example is WyalkatchemA. Growers using such cultivars must plan to protect their crops from stripe rust before the onset of effective APR to minimise rust build up...
Related categories:
Catalogue: Ground Cover
Professor Park investigated the genetic basis of resistance to rust diseases in cereals at CDL, with a particular focus on how Australian wheat cultivars respond to the dangerous family of stem rust isolates, Ug99... Professor Park tested more than 700 Australian cereal lines using stem rust isolates from Kenya, Ethiopia, Yemen and the US... In addition to research, Professor Park visited other cereal pathology and breeding groups at the University of Minnesota, the University of California, Davis, Washington State University, Pullman Washington, the Virginia Bioinformatics Institute, the Broad Institute and North Carolina State University...
Related categories:
Catalogue: GRDC Media
Bust the rust in wheat this season.. While stem rust has the potential to inflict large-scale crop losses in the northern region if conditions are favourable, epidemics have largely been kept in check through the selection of varieties with adequate rust resistance... Headed up by Professor Robert Park, the ACRCP program has provided the industry with vision and leadership when it comes to assisting Australian cereal breeders incorporate genetic resistance to rust diseases into varieties to achieve effective long-term disease management...
Related categories:

Pages