Inka Max SX

Registered until
Registration number
Active materials

A water soluble granule formulation containing 250 g/kg tribenuron methyl and 250 g/kg thifensulfuron methyl, both sulfonylureas, for weed control in wheat and barley, oats, rye and triticale.

IMPORTANT: This information is approved as part of the Product Label. All instructions within this section must be read carefully in order to obtain safe and successful use of this product.

Do not apply to any crop suffering from stress as a result of drought, waterlogging, low temperatures, pest or disease attack, nutrient or lime deficiency or other factors reducing crop growth.
Do not apply to crops undersown with grass, clover or other legumes or any other broad-leaved crop.
Do not apply more than once to any cereal crop.
Do not apply within seven days of rolling the crop.
Contract agents should be consulted before using on crops grown for seed.
Due to the high level of activity of the herbicide, special care must be taken to avoid damage by drift onto broad-leaved plants outside the target area, or onto ponds, waterways or ditches. Thorough cleansing of equipment is also very important - see below.
Only the following sulfonylurea and other ‘ALS inhibiting’ herbicides can be applied in sequence with Inka™ Max SX®: Lexus Class Pacifica

Weed Control 

Inka Max SX contains thifensulfuron-methyl and tribenuron-methyl, sulfonylurea (ALS inhibitor) herbicides that work predominantly by foliar action with some root activity. It controls a wide range of broad-leaved weeds and is most effective if applied when the weeds are small and actively growing. Good spray cover of weeds must be obtained and since larger weeds often become less susceptible, it is important to note the size of each weed at the time of application. Susceptible plants cease growth almost immediately after post-emergence treatment and symptoms can be seen about two weeks after spring application. It is also important to identify the weeds occurring in the crop and refer to the weed table to ensure that the weeds present are those susceptible to Inka Max SX. The susceptibility ratings of weeds in the following table refer to good spray cover and good growing conditions.

Weed Resistance
When herbicides with the same mode of action are used repeatedly over several years in the same field, selection of resistant biotypes can take place. These can propagate and may become dominating. A weed species is considered resistant to a herbicide if it survives a correctly-applied treatment at the recommended dose.
Development of resistance within a weed species can be avoided or delayed by sequencing or tank-mixing with suitable products having a different mode of action. For control of Corn Marigold or Chickweed this product must always be applied with an alternative mode of action product at recommended rates.
A strategy for preventing and managing resistance should be adopted. Further details and advice on how to implement such a strategy may be obtained from your crop advisor or chemical supplier. The Herbicide Resistance Action Committee (HRAC) also produces guidelines which may be consulted for additional information.

Soil and weather 

Inka Max SX can be used on all soil types. Weed control may be reduced when conditions are very dry.

Volume and application
Application should be made in 200 litres of water per hectare using suitable ground equipment to give good spray cover of the weeds. Use a conventional field crop sprayer at a pressure of 2 - 3 bars and apply as a MEDIUM spray (as defined by BCPC). Care should be taken not to overlap spray swaths.

Quarter fill the spray tank with clean water, start the agitation and add the required
quantity of Inka Max SX directly to the tank without prior creaming. Continue agitation while topping up the tank and while spraying. ) Follow the Good practice guide for empty pesticide containers.

In any tank-mix add Inka Max SX to the tank first and ensure it is fully dispersed before adding the partner product. Products should only be tank-mixed if each product can be applied within the label recommendations for its use. For further information contact your DuPont distributor.

Inka Max SX can be used on all varieties of winter and spring wheat and barley, oats, rye and triticale.

Inka Max SX should be applied from the three-leaf stage up to and including the flag leaf ligule/collar just visible (GS 39).

Apply Inka Max SX at 60 g/ha.

Following Crops
Cereals, field beans or oilseed rape may be sown in the same calendar year as harvest of a cereal crop treated with Inka Max SX. Before sowing, soil should be ploughed and cultivated to a depth of at least 15cm.
In the event of a crop failure for any reason, sow only a cereal crop within three months of application of Inka Max SX After three months field beans and oilseed rape may also be sown.


Registered for culturesRateBBCH
Winter wheat60 g1 - 39
Spring wheat60 g1 - 39
Winter barley60 g1 - 39
Spring barley60 g1 - 39
Spring oats60 g1 - 39
Winter oats60 g1 - 39
Winter rye60 g1 - 39
Spring rye60 g1 - 39
Winter triticale60 g1 - 39
Spring triticale60 g1 - 39