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The pre-emergence timing is absolutely essential for effective black-grass control. Adding Proclus to Liberator provides a valuable improvement in control.

At the pre-em timing, it is common to tank-mix two or more products. This season (2020/21) Proclus is an additional and effective tank mix partner but in future seasons, Bayer expect to have a three-way co-formulation of aclonifen, flufenacet and diflufenican available. This will give farmers a highly effective pre-em herbicide in one can, easy to plan and easy to use.

The first season is an opportunity for farmers and agronomists to start using aclonifen and learn about the active before the co-formulated products become available.

Another attractive feature of Proclus is that it is a different mode of action to other common cereal grass weed herbicides and it has a low resistance risk. As a result, it is an important addition to ensure the long-term activity of flufenacet.

CROP SPECIFIC INFORMATION
Good weed control depends on burying any trash or straw before or during seedbed preparation.
Seedbeds must have a firm, fine tilth. Loose or cloddy seed beds must be consolidated otherwise crop damage may result due to inadequate seed cover. For pre-emergence treatments, seed should be covered with a minimum of 32 mm of settled soil.
Apply Proclus pre-emergence of the crop, at a maximum rate of 1.4 litres of product per hectare on winter wheat, or 1.0 litres of product per hectare on winter barley. Apply via a horizontal boom sprayer, in 200 to 400 litres of water per hectare as a MEDIUM spray (BCPC category). A spray pressure of at least 2 bars is advised. Good, even spray coverage of soil and weeds is essential. Ensure that spray swaths do not overlap. To prevent damage, care must be taken to avoid drift onto neighbouring crops.
Cultivation after spraying will encourage weed germination and reduce the residual activity of Proclus. On mineral soils with a high organic matter content and on peaty or organic soils the residual activity of Proclus may be reduced. Only one application of Proclus should be made to the crop.

MIXING
Shake the container well before use. Half fill the spray tank with clean water, begin agitation and add the required amount of Proclus. Wash out the container and add the washings to the spray solution, before topping up with clean water. Continue agitation until spraying is completed. Do not leave the sprayer filled with the spray solution standing for long periods. Wash out the sprayer thoroughly after use using a wetting agent or proprietary tank cleaner.