• PRO

    Obvious question but has there been a dog around recently?

    • ....... rather a lot of wee for a dog to produce over 24 hours......... I guess he could have invited his mates over:)

  • At this time of year and based on the weather we have been having I would put my money on Red Thread. It is very prevalent in humid summers but not especially serious. You will need a magnifying glass to see it. The brown grass will have tiny red threads coming out of it in places, although hot dry weather may have reduced how many you can now find.

    As I said it's not serious but it is common. The general advice is to feed the lawn and it's best not to water much as Red Thread likes humidity.

    I have very often had Red Thread on newly turfed areas from the combination of stress on the turf (having been cut and relaid) and lots of water, therefore humidity. A liquid feed quickly knocks it back and gets the grass to green again.

    Very brown spots might be a fox peeing on the lawn.

  • PRO

    For me, the conumdrum here is that it's appeared over just 24hrs. It could be some of the middle patches look fusarium like, but I'd need better pictures. Likewise, some could be later stage red thread. Neither of these would be from good lawn to this 24hrs later.

    Dog/urine damage would show some greener rings around the edges.

    Without better pictures of some of the patches, my instinct at the moment is to go with the customer has spot-sprayed roundup to get weeds or boiling water for ants. Both of these could show such damage after 24 hrs.

    Are you really sure on the 24hr point?

  • Questions on lawn patches come up every year. The peculiar one I sent last year turned out to be caused by forking through a highly compacted subsoil resulting in regular reticulated shapes with green outlines where the fork had penetrated. In the current case it looks like some kind of chemical spillage (or hot water as suggested) or perhaps wee from a pack of female dogs or one that returns frequently to the lawn.

  • PRO
    Agree on needing more photos to show close up detail and confirmation the damage was 24 hours. Until then I suggest it's caused by spot treated weed kill (glyphosate based) or other chemical. Seen two customer damaged lawns this summer exactly like that.
  • I believe this is Dry Patch.

    I would question if it all suddenly appeared within 24hrs though.
    • My first thought was to double check the 'suddenly appearing in 24 hours'.  

  • PRO

    This time of the year it's more likely to be anthracnose

This reply was deleted.

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