Written by Charlotte Cunningham
The use of the residual herbicide Avadex is expected to increase this autumn, as growers grapple to resolve blackgrass issues, according to crop production firm Gowan. Charlotte Cunningham reports. According to the firm, Avadex usage has increased year on year for the past eight years and demand is expected to increase once again this autumn. “Avadex (triallate) applied pre-emergence is regarded as the essential start to any black-grass programme in cereals,” explains Dominic Lamb, country head for UK and Ireland for Gowan. “Its use in a programme along with flufenacet-based herbicide can add on average 15% control of this very difficult and competitive grass-weed.” The increased uptake of granular application by contractors has also plaid an important role in the growth of the herbicide, he adds. “Gowan continue to maintain a current list of contractors, listed by counties, on their website.” Calibrate correctly To get the best from Avadex granules, it is vital that the applicator is calibrated correctly when applying 15kg/ha and that the granules are applied evenly across the boom width, says Dominic. “The correct amount of herbicide granule must be delivered down each pipe and a patternation test carried out along with the calibration. Black-grass is such…
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