New seed treatment offers good control

29 Mar, 2012 01:00 AM
Swan Hill agronomist Kent Wooding.
Swan Hill agronomist Kent Wooding.

BAYER is releasing an updated version of its bunt control seed treatment Raxil, with Raxil Pro availably commercially.

Bayer has been researching the addition of its new generation fungicides to a traditional active ingredient (tebuconazole) in Raxil, and when they added the new generation prothioconazole, they found the product provided excellent disease control.

Not only was there good control, but crops appeared greener and more vigorous during early development, and seedlings treated with the combination were typically more advanced than untreated crops.

Swan Hill agronomist Kent Wooding, Agrivision Consultants, said the product had showed promise in trials in irrigated and dryland situations.

“It outperforms the basic seed treatments in terms of disease suppression and crops grown from seed treated with Raxil Pro appear to be healthier right from the critical establishment phase.

Mr Wooding said, critically, he thought the product was competitively priced.

“It’s a similar price to the other seed treatments but it offers better results. Everything we do has to offer a good economic advantage for the grower and Raxil Pro is a good return on investment.”

Bayer seed treatment product manager, James Catherall, said information released at recent Innovation Forums held across Australia clearly defined the economic benefits.

When yield results for barley seed treatment trials VD06, VA19 and WA19 were averaged, there was a net yield gain of 250 kg/ha for Raxil Pro over the untreated, compared with a 40 kg/ha for Raxil T.

Mr. Catherall said Bayer had evaluated the economic benefit, or return on investment of using Raxil Pro. That assessment took into consideration both grain yield and quality.

Trial data over the past three years had shown Raxil Pro was a clear winner in both wheat and barley, substantially outperforming Dividend and Raxil T, where control of smut diseases was targeted.

He advised Raxil PRO is active on covered smut (bunt) and loose smut in wheat, barley and oats and flag smut (seed and soil borne) in wheat.

“Another key feature with this exciting new product is that just 15 mL will treat 100 kg of seed. Water should be added to Raxil Prp before application to help evenly spread the solution over the seed. Such a low dose rate minimises container transport and storage requirements, which of course is a lot better for the environment,” said Mr. Catherall.


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