little black slugs on plums

cosmicgardenerDecember 18, 2005

I noticed today some little black leech like sluggie beasts on my plum tree leaves. They are quite small about 10mm long and shiny black. They appear to be eating the leaves some of which are skeletonised. Any clues what they are and how to eradicate them?

Linda

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Spatzbear

They are the dreaded pear and cherry slugs which attack cherry and plum trees. I spray with pyrethrum. Works a treat. I noticed yesterday that they had arrived on our cherry trees. Must spray tomorrow.
Good luck!

    Bookmark   December 18, 2005 at 2:06AM
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cosmicgardener

Thanks Spatz - when this roaring gale settles I'll get out with the pyrethrum. It's currently 11 degrees outside and light sleet in the rain! Probably won't have any plums left on the tree!

Linda

    Bookmark   December 18, 2005 at 3:06AM
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adamus

But it's Summer in Australia??? It can't be sleeting.
Yeah Right. We had a frost on New Years Eve a couple of years ago. it's still the talk of the town.

    Bookmark   December 18, 2005 at 5:41AM
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kiwiman

Linda, You can also throw handfuls of dust or fine sand over the tree--it dries the slugs out and you dont kill anything else. Merry Xmas Stewart

    Bookmark   December 21, 2005 at 3:39AM
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cosmicgardener

That might be a plan - it's so windy here that I haven't managed the pyrethrum because it just blows away. Sand I can manage, although tomorrow I've got 100 kg of pulverised cow poo to chuck around - if its still windy that might do the trick! Linda

    Bookmark   December 21, 2005 at 5:58AM
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Spatzbear

Would wood ash work?

    Bookmark   December 21, 2005 at 7:27AM
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paradisi

don't spray! a handfull of dry dirt thrown at the grubs causes them to drop off they have a very thin skin and can't stand the roughness of dirt or fine sand and will drop off the try rather than put up with the grit. I got rid of mine in Canberra by a handfull of dirt in the morning on the way to work and the same again in the afternoon.

    Bookmark   December 22, 2005 at 12:27AM
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cosmicgardener

Went out with my copious dregs from the coffee machine and had fun throwing it on the tree. Now its raining so the tree will be watered with weak coffee, maybe the slugs will get hyperactive! Didn't use dirt because we only have balls of clay. Will report on the coffee success or not. Linda

    Bookmark   December 23, 2005 at 6:16AM
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cosmicgardener

Well the coffee seems to have worked - no slugs today - either that or the gale force North Westerlies, hail and torrential rain has sent them into hibernation! Cheers Linda

    Bookmark   December 23, 2005 at 11:54PM
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Spatzbear

The wood ash works well so far, too. It's extremely windy here, too, that's why I looked like a chimney sweep after dousing the trees with ash. Torrential rain!? I better pack more warm clothes then.

    Bookmark   December 24, 2005 at 12:00AM
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paradisi

wel done comicgardner - coffee ir ash or dirt is much cheaper than any chemical

    Bookmark   December 24, 2005 at 11:29PM
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Jamus_S

Thanks for the tip guys, we had cherry slug too. I like the wood ash idea Spatz, it's very fine and would be easy to spread.

    Bookmark   December 25, 2005 at 5:34PM
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bullkelper

A handfull of garden or builders lime in a bucket of water sprayed on the tree will mostly wipe out cherry and pear slugs without hurting anything else. Keep the mix stirred, the lime doesn't all dissolve.Will only last until it rains. If you haven't got rid of them by now you probably have a see through tree. cheers Peter

    Bookmark   December 27, 2005 at 5:16AM
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cosmicgardener

The coffee seems to have got rid of them. but it's been raining ever since so they will get an extra dose as soon as the sun has shone for a day - 4th January looks like being a good one! Linda

    Bookmark   December 27, 2005 at 5:12PM
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