first off i am new here so hi to all.
I have a question that i hope some of you might be able to help with
over the past few days, it looks like ravens, have been attacking m
lawn leaving hugh patches of grass torn up and scatered all over th
place. I believe this is because they are after grubs of some sort.
My question is does anyone know of a way to prevent this happening, an
what would be the best course of action to replace the bare patches
reseed or place turf in the holes as some are at least 90 sqr cm.
hi to all again and hope to hear from yo
On Oct 6, 12:56 pm, simon garfield <simon.garfield.
Having animals tear up turf is indeed a classic sign of grubs. If you
want to kill the grubs now, per Steveo's advice, Dylox is the
recommended agent. Next year, apply one of the season long grub
controls. Or if you want to go the organic route, you can try
nematodes, though I think they take a couple seasons to be effective.
Impossible to answer without knowing climate where you're located or
how many of these spots you have covering what size area, etc.
Guessing and it sounds like you're in the UK, so you probably can
still seed. Normally, I'd use a slice seeder for any larger work,
but if the turf has limited roots, that would probably do more damage
to the grass that's left, so I'd probably do it by hand.
The ravens are most likely to be digging for 'chafer grubs
(http://tinyurl.com/ynsfty ) or 'leatherjackets
(http://tinyurl.com/25xavh ) (daddy long legs grubs). You can trea
before the end of october with a nematode which will usually kill th
grubs within 2 or 3 weeks. You may need to retreat next season as well
The damage can be repaired either with turf or by overseeding. See
will still germinate before winter, but if the temperatures ar
consistently below 12 degrees C then you'd be best waiting until sprin
I'm no expert on using nematodes to kill grubs, but from what I think
is correct, I see a couple of problems with this.
Nematodes are most effective when the grubs are still very small,
which would have been a couple months ago, like Jul/Aug. Second, if
he's having extensive turf damage from animals right now, he's looking
at 2-3 weeks of more damage, unitl the nematodes work, if they will
work at all this late in season. While I think nematodes can be fine
for prevention, I think at this stage, he needs something quick and
powerful, ie insecticide.
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