Research by the Western Australian No-Tillage Farmers Association (WANTFA) shows effective use of pre-emergent herbicides when sowing wheat early in dry conditions can help the crop out-compete weeds and lift yields... Dr Minkey says the research indicated that Sakura and Boxer Gold helped control weeds when wheat was dry-seeded early, but the effectiveness of trifluralin was limited on heavy soils. ".. Overall, Sakura was the most effective in controlling germination of annual ryegrass in both early and late-sown wheat," Dr Minkey says...
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Research conducted by the WA No-Tillage Farmers Association (WANTFA) shows that early, dry seeding of wheat can help the crop out-compete weeds and boost yields, but only where pre-emergent herbicide application is effective... The research compared wheat seeded under dry conditions on April 21, with wheat seeded on May 31 under wet conditions after a knockdown herbicide was applied... "Early, dry seeded wheat where Sakura was applied yielded 3.5 tonnes per hectare, compared with yields of 2.5t/ha where wheat was seeded on May 31 with Sakura after the use of a knockdown herbicide."..
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The choice of fungicide treatments at seeding is very important for managing diseases on farm as well as across a region... A particular concern with NFNB is the continuing rapid evolution of virulence in this pathogen with Keel, Maritime , Fleet and Oxford showing rapid falls in resistance rating in recent years... Extensive testing of isolates of the fungus taken across SA in recent years has shown that none of the strains tested have combined virulence on Fleet and Maritime so in some areas Maritime may have appeared as quite resistant...