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Rate:Application post-emergence of weed 2.5 l/ha

Critical Comments:Maximum susceptible growth stage of weed-Pre-em ;

 

(S = Susceptible MS = Moderately Susceptible MR = Moderately Resistant R = Resistant Pre-em = Pre-emergence of weed)

 

Strains of some annual grasses (e.g. black-grass, wild-oats, and Italian rye-grass) have developed resistance to herbicides, which may lead to poor control. A strategy for preventing and managing such resistance should be adopted. Guidelines have been produced by the Weed Resistance Action Group (WRAG) and copies are available from the HGCA, CPA, your distributor, crop adviser or product manufacturer.

Repeated use of herbicides with the same mode of action can increase the risk of strains of weeds developing resistance to these compounds, leading to poor control. In order to minimise the risk, a strategy for preventing and managing such resistance should be adopted. Use products with different modes of action and from different chemical groups in sequence or tank-mix, in conjunction with effective cropping rotation and cultivation techniques. In all cases the recommended rate of use should be adhered to. Follow WRAG guidelines.

Key elements of the resistance management strategy for Katamaran Turbo:  Always follow WRAG guidelines for preventing and managing herbicide resistant weeds. Maximise the use of cultural control measures wherever possible (e.g. crop rotation, ploughing, stale seedbeds, delayed drilling, etc). Use tank mixes or sequences of effective herbicides with different modes of action within individual crops, or successive crops. For the control of herbicide resistant grass weeds, always use KatamaranTurbo in sequence with other effective graminicides with different modes of action. Monitor fields regularly and investigate the reasons for any poor control.

 

Katamaran Turbo can be used on all varieties of winter oilseed rape.

Katamaran Turbo may be applied pre- or post-emergence of the crop but for optimum activity application must be preemergence or early post-emergence of the weeds. Extreme care must be taken to avoid spray drift onto non-crop plants outside the target area.

Pre-crop emergence applications:- should be made before the crop seed chits, which in optimum conditions may occur within 48 hours of drilling. should only be made on medium and heavy soils (as defined by the ADAS Soil Texture (85) System).

DO NOT USE Katamaran Turbo pre-crop emergence when any of the following conditions apply:- When crop has been broadcast. The crop seed has started to germinate (i.e. 48 hours after drilling) Seed is not covered with 15 mm of soil; When heavy rain is forecast; Dry, cloddy or open seedbeds; Late drilled crops – as a guide these are crops drilled later than the first week in September in Northern England and Scotland and later than mid-September in the rest of the UK; Stony soils, i.e. stones, flints or chalk are readily visible on the soil surface.

Post-crop emergence applications can be made in the following circumstances: When the majority of the crop has two fully expanded cotyledons and up to the sixth true leaf growth stage (GS 16); On light, medium and heavy soils (as defined by the ADAS Soil Texture (85) System); When seedbed conditions are not ideal for pre-emergence use; When the seed is not covered with 15 mm of soil (as with broadcast crops);  To light, stony, brashy or gravely soils, particularly if heavy rainfall was forecast for the period following drilling;  When late-drilled crops are to be treated.

Apply 2.5 litres/hectare Katamaran Turbo in a minimum of 200 litres of water per hectare. Qualified minor use recommendation Katamaran Turbo may be applied at 2.5 l/ha in 100 litres of water per hectare however this recommendation has not been supported by effectiveness or crop safety data.

 

For all situations following or rotational crops must not be planted until four months after application of ‘Katamaran Turbo’.

Any crop can follow normally harvested winter oilseed rape treated with Katamaran Turbo. Ploughing is not essential before sowing a following cereal crop, but is required for all other crops.

In the event of a crop failing in the autumn or winter, the listed crops can be drilled four months after the application of Katamaran Turbo:  cereals (excluding durum wheat), spring oilseed rape,  peas and field beans.

 

 

Apply as a MEDIUM spray, as defined by BCPC. Katamaran Turbo should be applied in a minimum water volume of 200 litres/ hectare.

Never prepare more spray solution than is required. Fill the spray tank three quarters full with water and start the agitation. To ensure thorough mixing of the product, invert the container several times before opening. Add the required quantity of Katamaran Turbo to the spray tank while re-circulating. Fill up the tank with water and continue agitation until spraying is completed. On emptying the product container, rinse container thoroughly by using an integrated pressure rinsing device or manually rinsing three times. Add washings to sprayer at time of filling and dispose of container safely.

Wash sprayer thoroughly immediately after use, using clean water and following the sprayer cleaning guidance provided by the equipment manufacturer.