I've treated Ragwort in a field with Blaster Pro Herbicide from Headland (120ml in 20l Knapsack). Unfortunately the Ragwort plants were quite mature and in full bloom.
I've been back for an inspection and was quite dissapointed in the results, the plants are still yellow and in bloom, some of the smaller ones have wilted over but the more mature ones are still standing strong although they are showing the effects of damaged leaves, either wilted or dried up.
Has anyone else dealt with large areas of ragwort, on a very steep hilly area that prevents me using my quad bike sprayer. Is Ragwort quite resistant to Blaster Pro? What do others use and results you get?
Wilted Leaves
Spray has obliterated surrounding nettles
Ragword still looking lively and yellow
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Replies
You need to hit it early while in the rosette stage, the mature plants will die but take much much longer.
Was aware the earlier the better, but unfortunately this job came in wanting the mature plants dealt with.
The way forward then is pulling them out.
Is it too big an area to pull them out by hand as they do pull out easily?
It's probably around a 15 acre field, with a good spread of Ragwort unfortunately.
To my knowledge and experience, all ragwort sprays state control at ''rosette stage only". It's usually stated as such on the product label too. Ragwort is a pain and short of cut and collecting, or pulling by hand, drying and burning them, there is little that can be done to control mature plants.
Blaster pro doesn't state ragwort control on its product label or field of use to the best of my knowledge either. Would have been better off earlier in the year with an adjuvant and either Thrust or Headland polo (although that's boom spray only) as these both work well at the small rosette stage.
I have 12 acres of my own equine grazing/hay meadows and have done a good amount of weed control for other people in similar scenarios.
With established plants, you have to break the cycle, the only solution with what you have there realistically is to hand pull it and spray next year. 15 acres can be done in this way, it's very time consuming but it is possibly the best way of getting on top of it.