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Roundup

Timings


Roundup conditioning must be well-timed and managed for the greatest value and harvesting efficiency
  • Treat crops only once the Roundup timing has been reached
  • Employ coarse droplets and use low drift nozzles to safeguard margins and hedgerows
  • Adjust sprayer boom so the spray pattern correctly covers the target
  • Spray early in the day to optimise uptake in dry weather
  • Leave crops for the statutory minimum of 14 days before harvesting
  • Delay harvesting for up to 21 days post-treatment in unfavourable weather
Check pods to determine the correct timing
Correct timing for application
  1. Select an area of the crop which is representative of the field as a whole.  Pick, at random, a total of 20 pods from the main raceme
  2. Open each pod.  If a colour change from green to brown is seen in at least two thirds* of the seeds per pod, in at least fifteen of the pods picked, the earliest correct stage for spraying has been reached
  3. Repeat the procedure in other areas of the crop to check that the assessment is applicable to the entire field
  4. If the majority if the crop has reached the correct stage, spray within 4 days, unless the weather is very cool, then the window can be extended to 7 days.
*If approximately half of the seeds are turning brown, the crop should be ready to spray in 3 days but repeat the procedure to check that the correct stage has been reached.

NB. Spraying too early will lead to poor desiccation