TakronPlant Protection Product ComparisonPlant Protection Product ComparisonReport inaccuraciesReport inaccuracies

A suspension concentrate containing 430 g/l (36.1% w/w) chloridazon.

A herbicide for the control of annual weeds in sugar beet, fodder beet and mangels.

Takron is a soil acting herbicide which controls germinating weeds by root absorption, during or shortly after weed emergence.

 

A maximum total dose of 2.6 kg chloridazon/hectare may only be applied every third year on the same field.

Takron is suitable for use on all soil textural classes except ‘coarse sand‘, ‘sand‘ and ‘fine sand‘ as defined in the Soil Texture (85) System and also excepting soils of high organic content, fen peat and moss soils. The soil type should be accurately diagnosed since the recommended rates of use of Takron applied pre-drilling and pre-emergence are dependent on soil type.

For optimum results the soil must be sufficiently moist at the time of application for the product to form an active herbicidal layer in the soil.

Adequate weed control depends upon sufficient rain falling before emergence to at least maintain this level of moisture.

Takron is a selective beet herbicide which is safe to the crop and can be used at any seed spacing. Depression in crop vigour (with or without a reduction in stand) may however occur if Takron is applied to crops suffering stress conditions such as those described below:

 When rapid increase in the transpiration rate of the beet causes a sudden increase in the rate of uptake of Takron as, for example, occurs when a sharp rise in temperature follows a period of low temperature, or a period of heavy rainfall.

 Where the crop is suffering from trace element deficiency, e.g. manganese.

 When the recommended rate is exceeded, particularly on sandy soils, or when conditions are not conducive to even distribution of Takron in the soil, such as inadequate soil moisture and poor tilth.

 When rates of nitrogen in excess of those generally recommended are applied immediately before drilling. Where higher rates of fertiliser are considered necessary these must be applied not less than three weeks before drilling.

 When the crop is retarded or damaged due to harrowing or excessive consolidation of the soil by the press wheel.

 When the crop is drilled at the incorrect depth.

 When conditions at emergence reduce seedling vigour (e.g. encrustation or „capping“ of the soil).

 Where there is heavy loading of seed dressing on individual seeds.

 Overdosing by overlapping should be avoided.

Heavy rain falling shortly after spraying may check the growth of the crop particularly when water has stood in surface depressions.

Under conditions of low pH, a reduction in herbicidal effectiveness may be noticed.

 

Susceptibility of Weeds to Takron

Weed:Black bindweed

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Charlock

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Chickweed, Common

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Cleavers

Rate:6 litres product/hectare

Critical Comments:MR

 

Weed:Dead nettle, Red

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Fat hen

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Fumitory, Common

Rate:6 litres product/hectare

Critical Comments:MS

 

Weed:Groundsel

Rate:6 litres product/hectare

Critical Comments:MS

 

Weed:Hemp nettle, Common

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Knotgrass

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Marigold, Corn

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Mayweed spp.

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Meadow grass, Annual

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Nettle, Small

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Nightshade, Black

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Orache, Common

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Pansy, Field

Rate:6 litres product/hectare

Critical Comments:MR

 

Weed:Penny cress, Field

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Pimpernel, Scarlet

Rate:6 litres product/hectare

Critical Comments:MS

 

Weed:Poppy, Common

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Radish, Wild

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Redshank

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Shepherd‘s purse

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Sow thistle, Prickly

Rate:6 litres product/hectare

Critical Comments:MS

 

Weed:Sow thistle, Smooth

Rate:6 litres product/hectare

Critical Comments:MR

 

Weed:Speedwell, Common Field

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Speedwell, Ivy leaved

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Spurges

Rate:6 litres product/hectare

Critical Comments:MR

 

Weed:Spurrey, Corn

Rate:6 litres product/hectare

Critical Comments:S

 

Weed:Vetches

Rate:6 litres product/hectare

Critical Comments:MR

 

Weed:Wild oat

Rate:6 litres product/hectare

Critical Comments:R

 

(S – Susceptible MS – Moderately Susceptible MR – Moderately Resistant R – Resistant)

 

Takron may be applied pre drilling and incorporated or pre emergence to sugar beet, fodder beet and mangels.

Application of Takron overall followed immediately by soil incorporation of the spray is particularly recommended to ensure good weed control in the following situations:

• where dry conditions prevail at the time of drilling

• where the crop is drilled late (after mid April)

In these situations dry soil conditions or high temperatures may result in rapid weed establishment before the chemical reaches the root zone of the germinating weeds. Incorporation of Takron will enhance the herbicidal action where surface sprays may not give satisfactory weed control.

Apply Takron to the final seedbed before drilling. The spray must be applied overall and incorporated into the soil as soon as possible.

When applying Takron pre-drilling, use a minimum water volume of 100 litres of water per hectare.

When variability in soil type occurs in one field, use the rate of Takron recommended for the lightest soil type present. This may result in poorer weed control on the areas of heavier soil type.

Textural Groupa:Sands 

Textural Classa:Loamy coarse sand

Rate of Takron – litres/hectare:2.5

 

Textural Groupa:Very light soils Loamy sand ;Loamy fine sand

Textural Classa:Loamy sand ;Loamy fine sand

Rate of Takron – litres/hectare:2.5

 

Textural Groupa:Very light soils Loamy sand

Textural Classa:Coarse sandy loam 

Rate of Takron – litres/hectare:4.2–4.7b

 

Textural Groupa:Light soils 

Textural Classa:Sandy loam Fine sandy loam

Rate of Takron – litres/hectare:4.2–4.7b

 

Textural Groupa:Light soils

Textural Classa:Sandy silt loam Silt loam (85)

Rate of Takron – litres/hectare:6

 

Textural Groupa:Medium soils 

Textural Classa:Sandy clay loam ;Clay loam; Silty clay loam

Rate of Takron – litres/hectare:6

 

Textural Groupa:Heavy soils 

Textural Classa:Sandy clay; Clay; Silty clay

Rate of Takron – litres/hectare: Not recommended

 

(a As defined in the Soil Texture (85) System. b 4.7 litres to be used only on the heavier soils in this category. )

Uniform incorporation into the top 25 mm layer of the final seedbed is essential using two harrowings at right angles to each other. Spring tine or zigzag harrows should be used with not more than 100 mm stagger set to penetrate to a maximum depth of 75 to 100 mm into the soil.

Choice of type and weight of harrow are dependent on soil texture. Harrows with broken, uneven or missing tines should not be used. Take particular care with spring tine harrows which tend to penetrate too deeply.

Incorporation deeper than 25 mm causes dilution of the herbicidal layer and may, therefore, result in inadequate weed control.

Beet should be drilled as quickly as possible after incorporation to achieve the best results.

Dilution of the chemical may occur if high amounts of rainfall occur just after incorporation. In these circumstances, efficiency of the treatment may be reduced.

Apply Takron at the time of drilling or immediately afterwards on a seedbed which is fine, moist, firm and free from clods. Should spraying be delayed for any reason, application must be made as soon as possible whilst the soil is still moist and before any emergence of the beet. To obtain adequate weed control significant rainfall between application and crop emergence is essential to maintain soil moisture. If dry soil conditions or high temperatures are expected the incorporated pre¬ drilling application of Takron is recommended.

See Table 1 above for overall rates of application and below for band spraying. When applying Takron pre-emergence, use a minimum water volume of 100 litres of water per hectare.

Takron can be applied pre emergence either as an overall treatment or as a band spray.

When band spraying, set up the band sprayer according to the manufacturer‘s instructions. Use the nozzle tips and pressures recommended and at the correct speed on a 180 mm band, the volume of water applied will be 240 litres per sprayed hectare. For band application add the dose rate per hectare recommended for overall application (see Table 1) to 240 litres of water. The area of crop treated based on a 180 mm band width varies with the crop row width as follows:

Row Width mm:460   

Area Treated hectares:2.6 

The effects of Takron persist in the soil for several weeks. Fields which have been sprayed but where the crop has failed may be re-drilled with sugar beet, fodder beet, mangels or maize after cultivation. They should not be re-drilled with any other crops.

Any spring sown crop may follow sugar beet, fodder beet or mangels harvested in the usual way. Winter cereals may be sown in the autumn after ploughing.

The spraying equipment should be clean and free from traces of other chemicals.

Ensure the correct nozzles are fitted:

(a) For the correct water volume for overall sprayers.

(b) For the correct drilling speed for band sprayers.

Check the delivery from each nozzle for uniformity and replace worn tips to ensure uniform output.

Calibrate the sprayer and use it according to the manufacturer‘s instructions.

Cross check the band sprayer calibration in the field as follows:

(a) Select a nozzle on the sprayer giving the nearest output to the average and with the drill in operation collect the spray from this nozzle for a distance of 60 metres. This should be exactly 225 ml. As the spray is collected over a given distance, the quantity will be the same irrespective of the make of nozzles used and this is a volume rate of 240 litres per sprayed hectare on a 180 mm band.

(b) Repeat as necessary, adjusting the tractor speed until this output is achieved over this distance.

(c) Make sure that the observations are made when the band sprayer is working smoothly and not immediately on starting.

Important

(d) The final setting of the width of the spray band to 180 mm must be made in the field when the drill is in operation and not on a hard surface or headland. It is essential that the band width is exactly 180 mm, otherwise the rate of application will be incorrect. A narrower band may cause crop damage and a wider band will result in poorer weed control. The setting should be checked in each field treated and also at the beginning of each day‘s work because of the possible effect of weather on soil conditions.

Never prepare more spray solution than is required.

Three quarters fill the tank with clean water and start the agitation. To ensure thorough mixing of the product, invert the container several times before opening. Add the required quantity of Takron to the spray tank while re-circulating. Add the remainder of the water and continue agitation until spraying is complete.

When tank mixes are to be used, take due note of any instructions given as to the order of mixing. Each product should be added separately to the spray tank and fully dispersed before the addition of any further product(s).

Rinse empty containers thoroughly, using an integrated pressure rinsing device or by manually rinsing three times. Add washings to tank at time of filling and dispose of container safely.

Use a minimum water volume of 100 litres per hectare, whether Takron is applied pre-drilling or pre-emergence..

Water volume for tank mixtures applied pre-emergence should not be less than 220 litres/hectare. Volumes up to 450 litres/ hectare should be used when soil conditions are drier.

Apply as a MEDIUM spray, as defined by BCPC

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

Takron is a BASF registered trademark.