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CHORISTE is a co-formulation of mesotrione and nicosulfuron for the moderate control of perennial grass weeds, and the control of annual grass and broad-leaved weeds in maize

CROP SPECIFIC INFORMATION
Timing and Rates of Use
CHORISTE should be applied to the maize crop from the 2 leaf stage of the crop to no later than the 8 leaf stage. Refer to maximum weed growth stage limits approved. Apply CHORISTE at 1.5 litres per hectare.

FOLLOWING CROPS AND RECULTIVATION
Recultivation
Forage maize and grain maize can be re-seeded immediately after ploughing in the case of crop failure.

Rotational crops
Autumn
Winter wheat and winter barley can follow a forage maize and grain maize crop treated with CHORISTE provided the soil has been ploughed to a depth of 15cm.

Spring
Forage maize and grain maize, ryegrass, spring wheat and spring barley may be sown in the spring following application of CHORISTE, do not sow any other crop at this time.

MIXING AND SPRAYING
Preparation of the spray solution
Shake thoroughly the CHORISTE container. Half fill the spray tank with clean water and begin agitation. Add the required quantity of CHORISTE to the tank and complete filling. Continue agitation until spraying is completed.

Application
Application of CHORISTE will be achieved by using conventional ground spraying equipment at water volumes of 200-400 L/ha. Apply using a medium quality spray (BCPC) at a pressure of at least 2 bar.
Even cover of weeds is essential.

After Use
Disposal of spray tank washings should be in accordance with local, state or national legislation.
Tank cleaning procedure
The following cleaning procedure is recommended:
1. Drain tank completely then flush tank, boom and hoses with clean water. Drain again.
2. Half fill the tank with clean water and add a detergent (e.g. Bonus - 100 mL/200L water) or a sodium hypochlorite based solution. Flush through boom and hoses and then allow standing for 10 minutes with agitation. Drain completely.
3. To remove traces of detergent, rinse the tank with clean water and flush through booms and hoses.
4. Repeat step 2.
5. Nozzles and filters must be removed and cleaned separately with the detergent solution at the same concentration as above.
6. Any contamination on the outside of the spraying equipment should be removed by washing with clean water.