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nematode species

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Catalogue: GRDC Research Summaries
In many cropping soils of south-eastern Australia the presence of nematodes limits field crop production... Recent reports by Murray and Brennan (2009 a & b) estimated that in south-eastern Australia alone, nematodes are currently reducing wheat and barley production by 4.9% ($98 million) and 5.1% ($42 million) respectively, with losses in excess of 20% possible in the absence of appropriate control strategies... Growers can minimise yield loss caused by the nematodes in two ways...
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Catalogue: GRDC Research Summaries
In many cropping soils of south-eastern Australia the presence of nematodes limits field crop production... Recent reports by Murray and Brennan (2009 a & b) estimated that in south-eastern Australia alone, nematodes are currently reducing wheat and barley production by 4.9% ($98 million) and 5.1% ($42 million) respectively, with losses in excess of 20% possible in the absence of appropriate control strategies... Growers can minimise yield loss caused by the nematodes in two ways...
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Catalogue: GRDC Final Reports
At least 60% of Western Australian (WA) cropping paddocks are infested with Root Lesion Nematode (RLN - Pratylenchus spp.)... Nematode levels from plots were measured following sowing and again in mid spring... The method can distinguish oat and lucerne races of Stem Nematode, which has not previously been possible...
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Catalogue: GRDC Updates (West)
x Make use of available testing services to determine nematode species and levels, but be aware that PreDicta-B cannot currently detect some of the nematodes present in WA crops... Crop Updates is a partnership between the Department of Agriculture, Western Australia and the Grains Research & Development Corporation 72.. Overall, lupin was resistant, but Mandelup and Belara resulted in a nematode multiplication rate > 1...
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Catalogue: GRDC Publications
Growers do not have access to varieties with resistance to the key exotic pests and disease... The project will proceed in two phases... The project is about optimizing pesticide sprayapplications by: identifying spray technologies and spray settings with low risk of spraydrift, applying pesticides in accordance with latest knowledge about pest behaviour in response to pesticides andtherefore minimizes the risk of target pests developing resistance, and by using pesticides with documented efficacyagainst target pests...
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Catalogue: GRDC YouTube channel
" GRDC Grains Research Updates 6-7 March, 2012, Northern Region, Goondiwindi QLD. Kirsty Owen 17 September 2013 Kirsty Owen, DEEDI, discusses root-lesion nematodes: distribution, wheat yield and crop sequence impacts on mycorrhiza... Wheat varieties with tolerance will out-yield intolerant varieties, but you need to know which nematode species is present in your paddock ' Test your soil for nematodes before choosing a tolerant wheat variety... Recorded at GRDC Crop Updates 6-7 March 2012, Northern Region, Goondiwindi QLD..
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Catalogue: GRDC Final Reports
Root-lesion nematodes ( Pratylenchus thornei and Pratylenchus neglectus ) are persistent, destructive pests that invade and damage the roots of susceptible crops causing yield losses... A four-year crop rotation experiment on a P. thornei infested site showed that the yields of a susceptible wheat variety are affected by crops grown three years previously... Glasshouse experiments in the previous Cropping Options project showed that for wheat, resistance and tolerance to P. thornei is not necessarily indicative of resistance or tolerance to P. neglectus , and that some grain sorghum varieties also appeared susceptible to P. neglectus ...
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Catalogue: GRDC Final Reports
" ATTACHMENT TO PROJECT NO DAQ00107 CROPPING OPTIONS TO LIMIT ROOT-LESION NEMATODES Abstracts from the 5 thInternational Congress of Nematology 2008 Crop rotation for the management of root-lesion nematodes in the northern grains regions of Australia... Root-lesion nematodes, Pratylenchus thornei and P. neglectus are widely distributed in the northern grain region of Australia which encompasses inland northern NSW and south-east Queensland... The presence of root-lesion nematodes (Pratylenchus thornei and P. neglectus) and stunt nematode (Merlinius brevidens) in some parts of the northern grain region has been known since the 1960s and yield loss in wheat caused by P. thornei has been demonstrated since the late 1970s...
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