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Catalogue: GRDC Updates
By screening and field testing the resistance and tolerance of wheat and barley cultivars, relevant information can be supplied to allow growers to incorporate cultivars into rotations that limit the populations of and damage caused by nematodes... Significant yield impacts occurred for wheat varieties assessed in Toodyay 2012 when comparing yield to nematode numbers at anthesis (Table 2)... Coupled with resistance data, these results indicate Emu Rock may be only moderately susceptible but very intolerant to P. teres while the other varieties are intolerant but range in levels of susceptibility to the pest...
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Catalogue: GRDC Factsheets
WESTERN, NORTHERN AND SOUTHERN REGIONS QUANTIFY THE RISK, PADDOCK BY PADDOCK Blackleg can cause severe yield loss, but can be successfully managed... If you have: high or increasing levels of blackleg in your crop (from monitoring disease levels each year); used the management practices outlined in Step 3; and sown cultivars from the same resistance group in close proximity (within 2km) for three or more years, then sow a cultivar from a different resistance group (see page 4 - Blackleg Resistance Groups)... To facilitate the process, all cultivars have been placed into groups (A to H) based on their resistance genes inTable 3...
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Catalogue: GRDC Updates (West)
" Pratylenchus teres- WA's home grown Root Lesion Nematode (RLN) and its unique impacts on broadacre crops.. By screening and field testing the resistance and tolerance of wheat and barley cultivars, relevant information can be supplied to allow growers to incorporate cultivars into rotations that limit the populations of and damage caused by nematodes... Significant yield impacts occurred for wheat varieties assessed in Toodyay 2012 when comparing yield to nematode numbers at anthesis (Table 2)...
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Catalogue: GRDC Research Summaries
The fungal disease 'blackleg' is the most severe disease of canola in Australia, causing yield loss and in some circumstances total crop failure... Blackleg is primarily controlled by breeding disease resistance into canola cultivars prior to release to industry... The project will assess the level of blackleg resistance in all canola cultivars enabling growers to select a cultivar that is suitable for their farming system and climatic region...
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Catalogue: GRDC 2014 Research Summaries
Dual-purpose cereal crops are an integral part of the mixed farming system in New South Wales... Whilst the recent industry focused grazing programs has been on optimising grazing management, only limited work has been undertaken on species and cultivar differences and understanding what these differences have on DM and livestock performances in mixed farming systems... Studies by NSW DPI have shown that selecting the right species and cultivar can significantly increase overall production of grazing crops in a mixed farming system, with differences between species potentially adding 750kg DM/ha and between cultivar within species choice 780kg DM/ha...
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Catalogue: Broadacre Field Crops DAFF QLD
Publication description: Includes cultivar response tables.. Research in southern Queensland has shown that herbicide tolerance differed among the barley and wheat cultivars grown in the Northern Region... Field experiments were at weed-free sites, where yields were compared between those sprayed with registered herbicides at the recommended and double rates with untreated controls for each cultivar...
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Catalogue: Broadacre Field Crops DAFF QLD
Publication description: Includes cultivar response tables.. Research in southern Queensland has shown that herbicide tolerance differed among the barley and wheat cultivars grown in the Northern Region... Field experiments were at weed-free sites, where yields were compared between those sprayed with registered herbicides at the recommended and double rates with untreated controls for each cultivar...
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Catalogue: Broadacre Field Crops DAFF QLD
Publication description: Includes cultivar response tables.. Research in southern Queensland has shown that herbicide tolerance differed among the barley and wheat cultivars grown in the Northern Region... Field experiments were at weed-free sites, where yields were compared between those sprayed with registered herbicides at the recommended and double rates with untreated controls for each cultivar...
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Catalogue: GRDC Updates
Sustainable management of most cereal diseases can be achieved by avoiding susceptible and very susceptible cultivars... A graphical representation of the relative effect of increasing pre-sowing crown rot inoculum levels, as determined using PredictaB, on grain yield loss (%) in three cereals in seasons with below average combined September and October rainfall (left) and above average rainfall for the same period (right) using 26 data sets collected in Victoria and South Australia during the years 2005 to 2010 (Hollaway et al. 2013)... There will be a greater need to monitor and apply foliar fungicides in wetter seasons...
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Catalogue: GRDC Final Reports
In addition to testing a large number of wheat, barley and canola genotypes for K efficiency, we measured growth and K uptake and partitioning with respect to K supply in the topsoil and subsoil plus the impact of topsoil drying, which frequently occurs in the second part of the season in the Mediterranean climate of the Western Australia wheatbelt... It is absolutely clear that there is a substantial difference in K efficiency among current commercial cultivars and advanced breeding lines of wheat, barley and canola and there is need for targeted field testing of this superb germplasm in connection with established breeding programs to increase the level of K efficiency in the locally-adapted germplasm... K application increased the number of heads/m2 (p<0.01) but not the number of grains per head or the harvest index at West Moora...
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