• Agronomy and Tools

wintersolWinter Solutions

With a product portfolio covering wheat and canola crops, Advanta Seeds is focussed on providing value and returns for growers across winter rotations.  Under the Innovative Crop Solutions banner, we use our plant breeding and technical expertise to  bring solutions for growers into the market, whether that be through research into IWM benefits of the crops in rotation, or new and innovative herbicide tolerance traits bred into our products, our strong research and development focus means growers are able to access the latest seed technology for their farm and access reliable information.  

Research shows canola’s allelopathic potential against annual ryegrass

 

CSUresearchprofessorinagricultureJimPratley

A recent study by Charles Sturt University at Wagga Wagga has demonstrated the canola plant’s potential to naturally suppress annual ryegrass growth through chemical interference – also known as allelopathy.

The research, headed by CSU research professor in agriculture Jim Pratley and funded by Advanta Seeds, established allelopathy as a potential future supplement to synthetic herbicides.

“The introduction of herbicide tolerant canola varieties is a significant advance for the crop and the farmers who grow them, but the risk of herbicide resistance is enhanced as key herbicides, notably glyphosate, are transformed in use from the first herbicide in a cropping season to the last and perhaps the only herbicide,” Prof Pratley said.

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CropLife Australia 2016 Guidelines for Group B Herbicides – Clearfield® Technology High Resistance Risk

Group B resistance exists in Australia in annual ryegrass, barley grass, brome grass, wild oats, paradoxa grass and crabgrass and in at least seventeen broadleaf weeds including wild radish, common sowthistle, black bindweed, charlock, Indian hedge mustard, prickly lettuce, Mediterranean (wild) turnip and  turnip weed. Resistance has developed in broadacre, rice and pasture situations.  In respect to rice three broadleaf weeds, namely dirty dora, arrowhead and starfruit, are known to have Group B resistant populations.

Research has shown that as few as four applications to the same population of annual ryegrass can result in the selection of resistant individuals and as few as six applications for wild radish. A population can go from a small area of resistant individuals to a whole paddock failure in one season.

A significant challenge facing growers managing Group B resistance is the control of brome grass and barley grass in winter cereal crops. Group B herbicides are presently the only in-crop herbicides that provide effective control of these grass weeds and this poses a severe risk of Group B resistance for growers with cereal dominant rotations.

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