K2
- Manufacturer
- TAMINCO
- Category
- Growth regulators
- Registered until
- N/A
- Registration number
- 04742
A soluble concentrate plant growth regulator formulation (pH buffered) containing 620 g/L (54%w/w) chlormequat and metabolic adjuvants for use on spring and winter wheat, spring and winter barley and spring and winter oats for improved yields and lodging control
DIRECTIONS FOR USE
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
The application of K2 can result in yield increase and a reduction in early lodging from a spring application. This control of lodging is more consistent in wheat than in barley
K2 APPLICATION RATES AND TIMING
Winter wheat
Single application 1.0 l/ha Apply K2 at GS30–39 to reduce lodging and plant height and increase stem diameter 1.8 l/ha Use this rate where there is a high risk of lodging
Split dose application 0.8 to 1.0 l/ha followed by 0.8 to 1.0 l/ha Apply K2 at up to GS39 ensuring that the maximum total dose of 1.8 l/ha is not exceeded
Winter barley
Single application 2.3 l/ha Apply K2 at GS30–39 to reduce lodging and plant height and increase stem diameter
Split dose application 1.3 l/ha followed by 1.0 l/ha Apply 1.3 l/ha of K2 at GS30-32 followed by further application of 1.0 l/ha of K2 before GS39.
Spring wheat
0.9 l/ha Apply K2 during tillering but before the first node is detectable on half of the main stems. This will generally mean treating the crop between 15 and 35 days after 50% emergence, especially in late drilled spring crops.
Spring barley
1.25 l/ha Apply K2 at 2-4 leaves unfolded (GS12-14) for maximum possible yield increase.
Winter and Spring oats
Single application 2.3 l/ha Apply K2 from just before the beginning of stem elongation (GS 30) until no later than flag leaf sheath extended stage (GS 39)
Split dose application 1.15 l/ha followed by 1.15 l/ha Apply 1.15 l/ha K2 from just before the beginning of stem elongation (GS 30) followed by a further application of 1.15 l/ha until no later than flag leaf sheath extended stage (GS 39)
APPLICATION VOLUME
Apply the recommended rate of K2 in at least 200 litres of water per hectare.
MIXING
SHAKE WELL BEFORE USE. Add K2 to a half-filled spray tank. Top up the tank to the required volume and ensure thorough mixing before and during spraying.
CLEANING APPLICATION EQUIPMENT
After each days work, drain the sprayer, wash thoroughly with water and liquid detergent and spray out completely. Ensure that all liquid is removed from the spray tank, pump and hoses and ensure nozzles and nozzle filters are clean. Remove nozzles, open tank and drain pump to allow free access of air to all parts of the system.
APPLICATION CONDITIONS
Do not apply K2 to crops under significant stress from water-logging, drought or nutrient deficiency. In hot, dry weather a better result might be obtained from application in the early morning or evening.
UNDERSOWN CROPS
K2 may be used on crops undersown with clovers and grasses.
VARIETAL RESTRICTIONS
There are no varietal restrictions on the use of K2
CAUTION
Although K2 may be used under normal seasonal temperatures (down to 1°C) and ground conditions, it should not be sprayed onto plants covered with frost and requires two hours before rain or frost for a good effect to be obtained. Do not allow K2 to drift onto neighbouring crops. The use of poultry manure or slurry on crops may significantly reduce the lodging control obtainable with K2
USE OF STRAW
Do not use straw from K2 treated cereals as a horticultural growth medium or as a mulch.
COMPATIBILITY
Provided that all product recommendations are followed, K2 is compatible with a range of commonly used plant protection products, including other plant growth regulators. For up to date details of compatible tank-mixes contact your distributor/the manufacturer/your agronomist. When using K2 with a foliar fertiliser, thoroughly mix K2 before adding the fertilizer to the spray tank. Do not use in tank mixtures with liquid nitrogen fertilizer. Most chelated or complexed forms of trace elements are compatible with K2 but some inorganic forms, especially those of manganese (such as manganese sulphate), can cause problems in tank mixture.
Registered for cultures | Rate | BBCH |
---|---|---|
Winter wheat | 1.8 l | 1 - 39 |
Spring wheat | 0.9 l | 1 - 39 |
Winter barley | 2.3 l | 1 - 39 |
Spring oats | 2.3 l | 1 - 39 |
Winter oats | 2.3 l | 1 - 39 |
Winter rye | 2.3 l | 1 - 39 |
Spring rye | 2.3 l | 1 - 39 |
Winter triticale | 2.3 l | 1 - 39 |
Spring triticale | 2.3 l | 1 - 39 |
Spring barley | 1.25 l | 1 - 14 |