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resistant wild oat

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Catalogue: GRDC Publications
The important factors in getting pre-emergent herbicide to work effectively while minimising crop damage are: to understand the position of the weed seeds in the soil; the soil type (particularly amount of organic matter and crop residue on the surface); the solubility of the herbicide; and its ability to be bound by the soil... Weed seeds will most likely absorb herbicide if the herbicide is at or below the seed in the soil profile... Only some of the mutations provide resistance to both groups of herbicides...
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Catalogue: GRDC Updates
The cropping area west of the Warrumbungle ranges has many challenges, in the form of herbicide resistance... Trial results showed that inter-row spraying of Gramoxone in wide row chickpeas could be useful, if it were to be registered for this use. . The same principles apply to canola which enables the inclusion of atrazine trifluralin, Avadex Xtra and Dual Gold... Double knock on glyphosate resistant plants: In March 2007, the first experiment (at Bellata) conducted on glyphosate resistant barnyard grass investigated basic combinations of glyphosate followed by either paraquat or Spray...
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Catalogue: Ground Cover
With annual ryegrass resistance on the rise and wild oats resistance now widespread in the northern grains region, growers are being urged to be vigilant about seeking out any small patches of resistant weeds on their property... Patches of resistant weeds can evolve near fencelines or tracks where glyphosate and other herbicides are used to keep the area clear of weeds... "Growers need to take that patch out of production and promote weed growth and then stop the weeds from setting seed," Mr Cook says...
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