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PRO

Welcome any guidance on this issue;

A long banked area, currently planted with very, very mature Cotoneaster Repens / Coral Beauty, has an 'infestation' of grass growing up through dense coverage and making itself obvious.

Impractical to hand weed due to density and location, so wanted to find a pesticide solution. What chemical controls could we use ?

Have looked at Kerb granules, but unsure if this would be the answer and have likely missed window.

Anyone have experience/suggestions for a liquid/foliage applied solution (is there one - post emergent ) ?

Thanks, Frustrated of Surrey :-(

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  • PRO Supplier

    Hi - we've had a discussion in the office. Sadly it looks like all the usual suspects (Kerb Flo, Pan Isoxaban used with Prova) are outside your window as you say. I think tragically it may well be a case of careful use of a weedwipe with glyphosate- up to a maximum 1 part glyphosate to 2.25 of water. Sorry not a massive help but we will keep our thinking caps on.

    www.progreen.co.uk

  • PRO

    Many thanks for that....and Darn, darn, darn !

    This area is so hard to access as it's above a retaining wall along a business park access road, so not a nice place to be manually 'weedin'

    Thinking ahead for next season, can Kerb Flo et al be 'applied' thru dense-ish foliage (ie shrubs shaken to get granules to soil) and what is possible effect if some granules get caught up in shrubs ?


    Louise Boothman said:

    Hi - we've had a discussion in the office. Sadly it looks like all the usual suspects (Kerb Flo, Pan Isoxaban used with Prova) are outside your window as you say. I think tragically it may well be a case of careful use of a weedwipe with glyphosate- up to a maximum 1 part glyphosate to 2.25 of water. Sorry not a massive help but we will keep our thinking caps on.

    www.progreen.co.uk

  • PRO Supplier

    Hi

    If granules gets caught (usually on cup shaped leaves) it may cause mottling or leaf kill in some circumstances - this is unlikely in cotoneaster due to its leaf shape, also the time of application will mean that it is pretty dormant so any uptake should be minimal. The real key as always is read the label before application etc. Best of luck!

  • You could try this on a test area.
    Spray area with glyphosate at normal rate.
    Spray area lightly with water.
    Alternately spray when raining lightly
    Rain/water will wash off Cotoneaster leaves but run herbicide into grass nodes.
    If you get it right it will have little effect on Cotoneaster, but should get a high proportion of the grass.

  • Hi Gary,

    What about 'Festival' (see Pitchcare site). We use it for ornamental borders. Always does a good job.

  • PRO Supplier

    Hi Phil - good call on Festival as it has the equivalent active ingredient to Ronstar liquid which both are sadly only available for sale until 30th June 2014 (we've sold out of Ronstar) These both have a use up period of twelve months.

    Unfortunately it doesn't look there are any alternatives at present - however that is not to say there isn't one coming and we've not heard about it as yet....

  • Have you considered manual wiping of grass - Ive used this with good success;

    Latex gloves on hands, one hand a normal work glove, the other a glove with an abosrbant padd attached / saftey pinned onto the palm. (I could not find any gloves on the market that do this).

    Then I spray the pad until it is comfortablly damp with glyph solution and use the non herbicide hand to hold back folliage, and then visually select plant I wish to kill - then simply grab it with herbicide handn by the base and pull upwards gently covering it with solution.

    Time consuming but very thorough and two weeks later a follow up to get any missed grass.

  • PRO
    That's a good suggestion that is worth trying especially if we let the grass take off for a short while (given the weather it seems to be growing as we look at it !).

    David Cox said:

    Have you considered manual wiping of grass - Ive used this with good success;

    Latex gloves on hands, one hand a normal work glove, the other a glove with an abosrbant padd attached / saftey pinned onto the palm. (I could not find any gloves on the market that do this).

    Then I spray the pad until it is comfortablly damp with glyph solution and use the non herbicide hand to hold back folliage, and then visually select plant I wish to kill - then simply grab it with herbicide handn by the base and pull upwards gently covering it with solution.

    Time consuming but very thorough and two weeks later a follow up to get any missed grass.

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