| Colex-D Post Webinar Quiz |
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Q1. Colex-D Herbicide contains ...
A) 2,4-D amine with added adjuvants to mask odour, eliminate volatility and reduce drift
B) 2,4-D choline, a patented novel active that has Ultralow 2,4-D Odour, Near-Zero Volatility and formulated with Built in Drift Technology
C) 2,4-D ester with a specific adjuvant package that eliminates volatility
D) 2,4-D amine plus 2,4-D choline mixed
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Q2. Colex-D is a 2,4-D you can apply with confidence as it …
A) Allows growers to spray upwind of sensitive crops without any risk that the 2,4-D active will cause damage to sensitive crops such as cotton, vines and other horticultural crops
B) Has Drift reduction technology, Near-Zero Volatility and Proven Compatibility allowing growers when following the label and best management practices to mitigate risk of off target damage
C) Can be applied using aerial application as long as you follow existing 2,4-D buffer zones
D) Has an Ultra-low 2,4-D odour
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Q3. Colex-D is different to other 2,4-D products on the market because ...
A) It contains 2,4-D choline
B) The active ingredient is highly refined to remove impurities that contribute to odour
C) The active ingredient is more chemically stable in solution which virtually eliminates volatility
D) The formulation has been designed to minimise the driftable portion of the droplet spectrum when applied according to the label guidelines.
E) All of the above
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Q4. When setting up the sprayer for Colex-D, the applicator needs to consider which variables to mitigate the risk of off target damage? Choose the best answer.
A) Tank mix Partners, and spraying conditions
B) Nozzle, Pressures, and spraying conditions
C) Tank mix Partners and Nozzle
D) Nozzle, Pressures, Tank mix Partners, and spraying conditions
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Q5. Which of the following statements about compatibility is true for Colex-D? Choose the best answer.
A) As long as the mixture is physically compatible, I can apply and get the full benefits of the drift reduction technology
B) Colex-D is compatible with all Glyphosate formulations
C) Before planning and applying growers, applicators and advisors should check the Corteva Colex-D label compatibility
D) Most 4 way mixes are physically compatible with Colex-D
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Q6. What do you do if a potential tank mix partner is not listed on the Colex-D label?
A) Contact your Corteva Agriscience representative for the most up-to-date compatibility information
B) Go ahead and spray
C) Mix Colex-D with what ever you like
D) None of the above
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Q7. Which of these statements is true about volatility?
A) As long as conditions are ideal at the time of spraying, I do not need to worry about off target damage with all 2,4-D formulations
B) The Choline salt complex in Colex-D formulation remains stable in solution, resulting in near-zero volatility
C) If the vapour pressure is marked as non-volatile, then the 2,4-D formulation is non volatile
D) Damage to sensitive crops is all dependent on drift management, I do not need to worry about volatility
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Q8. True of False - Colex-D offers the same level of activity (per gram of active ingredient) as traditional Amine formulations and has a reduced rate for Cow vine control.
A) True
B) False
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Q9. When reading the nozzle selection table on the Colex-D label to determine how to utilise the reduced buffer zones, you should ...
A) Use this as a guide only, any nozzles with a similar output claim are ok to use
B) Use a mix of nozzles, just pick the correct maximum operating pressure
C) Follow the label carefully to use only the specific nozzles listed
D) Use my existing nozzles and reduce the pressure in the boom, this will adjust the droplet spectrum for me anyway
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Q10. Which of the following statements is NOT correct about Colex-D?
A) The DRT and near-zero volatility of Colex-D allows application during a hazardous inversion event.
B) Colex-D contains 456 g/L of 2,4-D present as the choline salt.
C) AMS is an essential tank mix partner for all Colex-D applications into fallow.
D) Colex-D is registered to be applied via Optical Spot Spraying Technology eg. Via camera sprayer.
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