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Octavian Met

Octavian Met is a new option for weed control in winter barley and winter wheat. Available to use at pre-emergence and as a residual top up it provides a good option for black-grass, brome and broad-leaved weed control.

It is a three-way coformulation of metribuzin, flufenacet and diflufenican. The addition of metribuzin to flufenacet provides improved grass weed and broad-leaved weed control compared to Liberator.

The metribuzin component is primarily root acting but also has some activity against shoot which means it is a strong candidate to use for top up applications. The addition of metribuzin provides up to 10% more black-grass control at the full rate compared to straight Liberator.

Octavian Met is a simple, way to apply three effective actives for weed control throughout the autumn.

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Why Octavian Met?

Using a range of actives in the autumn programme boosts weed control and manages resistance risk. Octavian Met delivers an entirely new active for UK cereals – metribuzin – as well as the reliable performers flufenacet and diflufenican as found in Liberator. It is a flexible option as it is suitable for early drilled crops and top up applications until the end of November.

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Getting the best from Octavian Met

There are two application rates for Octavian Met, 1l/ha until 30 September or 0.5 l/ha until 30 November. The 1l/ha is a very good option for weed control in early drilled cereals including winter barley. The wide spectrum of grass weed and broad-leaved weeds controlled mean it can keep things tidy and allow crops to establish well in a range of situations. In later drilled crops, the 0.5l/ha rate is most useful as a top up rather than the main pre-emergence herbicide. The shoot activity means it provides some control of established weeds as well as preventing further germination.

For pre-emergence applications, apply within 48 hours of drilling to get the best results. For all applications, ensure the seedbed is in good condition and free of clods and trash to get the best results.

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Important things to remember

  • 1l/ha rate approved until end of September
  • 0.5l/ha rate approved until end of November
  • Use in winter barley and winter wheat
  • Very good option for post emergence top up applications
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ALWAYS READ THE LABEL BEFORE USE.

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