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Catalogue: GRDC Factsheets
Growers in high rainfall zones should be proactive and develop a Barley Yellow Dwarf Virus (BYDV) management plan which includes crop monitoring, green bridge management, foliar pesticide sprays and pre-sowing seed treatment... Trial results have found that the oat and rose grain aphid are found on wheat and barley and the corn aphid favours barley and is rarely found on wheat... Even where there have been large yield losses due to BYDV, trial results have not shown any difference in protein content between sprayed and untreated plots...
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Catalogue: GRDC Factsheets
Growers in high rainfall zones should be proactive and develop a Barley Yellow Dwarf Virus (BYDV) management plan which includes crop monitoring, green bridge management, foliar pesticide sprays and pre-sowing seed treatment... Trial results have found that the oat and rose grain aphid are found on wheat and barley and the corn aphid favours barley and is rarely found on wheat... Even where there have been large yield losses due to BYDV, trial results have not shown any difference in protein content between sprayed and untreated plots...
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Catalogue: GRDC Factsheets
Growers in high rainfall zones should be proactive and develop a Barley Yellow Dwarf Virus (BYDV) management plan which includes crop monitoring, green bridge management, foliar pesticide sprays and pre-sowing seed treatment... Trial results have found that the oat and rose grain aphid are found on wheat and barley and the corn aphid favours barley and is rarely found on wheat... Even where there have been large yield losses due to BYDV, trial results have not shown any difference in protein content between sprayed and untreated plots...
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Catalogue: GRDC Media
Herbicide application around the time of cold weather can further exacerbate the development of yellowing and physiological spotting as it slows the rate that the cereal crop can metabolise the chemical... The chemical tends to concentrate in the leaf tips where it can become phytotoxic resulting in yellowing and spotting (Figure 1 and 2)... Figure 2: Yellowing of barley leaf tips following cold weather and frosts at Condobolin in 2014 and production of brown physiological spots...
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Catalogue: GRDC Media
Herbicide application around the time of cold weather can further exacerbate the development of yellowing and physiological spotting as it slows the rate that the cereal crop can metabolise the chemical... The chemical tends to concentrate in the leaf tips where it can become phytotoxic resulting in yellowing and spotting (Figure 1 and 2)... Figure 2: Yellowing of barley leaf tips following cold weather and frosts at Condobolin in 2014 and production of brown physiological spots...
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Catalogue: GRDC Updates (West)
Crop Updates is a partnership between the Department of Agriculture and Food, Western Australia and the Grains Research & Development Corporation 49.. The wetter than normal conditions over summer may cause the early spore production from the 2008 stubble posing the risk of major spore showers coinciding with the susceptible seedling stage of the crop... Cultivars that lack the receptor gene are easily identified using either molecular markers or the reaction to the ToxA protein and are more resistant to SNB and YS. We suggest that growers avoid using cultivars that contain the receptor gene and are more susceptible to SNB/YS...
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Catalogue: GRDC Final Reports
" Distribution and survival of wheat curl mite (Aceria tosichella), vector of Wheat Streak Mosaic Virus, in the WA grainbelt during 2008... Volunteer wheat collected during April to July, which was at the heading growth stage, were 100% infested with wheat curl mite (Aceria tosichella; WCM)... For such situations we propose the control of volunteer wheat and other grass hosts by ensuring this material is dead or removed by grazing by at least two weeks prior to germination of the sown wheat crop...
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Catalogue: Ground Cover
Wheat breeders could soon play a key role in combating two of the country's most damaging wheat diseases through research that will enable them to more accurately select for resistant cultivars... Australia's most damaging wheat disease - tan (yellow) spot - annually causes national losses of $212 million, while the third most damaging wheat disease, Stagonospora (septoria) nodorum blotch, results in annual losses estimated at $108 million... Before the new marker is available, Professor Oliver urges growers to choose wheat varieties resistant to tan spot and septoria if they farm in areas prone to the diseases...
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