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#1
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Small black beetle types on swede seedlings
Hi All,
I think that this is my first posting here, though I have been lurking on and off for a couple of years. I am not a knowledgeable gardener by any means, though I used to assist my father many years ago. I took on an overgrown allotment the autumn before last, was late working it last year and most of what I planted was swamped by weeds, the exception being broad and runner beans, which both did very well. So I spent many hours last year hoeing, occasionally spraying with agri grade roundup, and using an enormous flamegun to cook both weeds and hopefully their weeds. This year I am well in front of where I was last year, the weeds at present are relatively few, and easily kept in check with the hoe, and most of the allotment is planted. I have spent some of the past three or four days admiring the allotment, as plants have started to grow, one of which was a row of swede, first breaking though, then getting taller and stronger. Until today... All of the seedlings that are through are covered with very small black beetle type bugs, and they appear to be nibbling on the leaves of the seedlings, and/or sucking their contents out, leaving the seedlings looking pretty poorly. Is this a known problem, and is it readily treated? All help appreciated... -- Regards, Will. |
#2
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Small black beetle types on swede seedlings
This is the ultra common Flea-beetle aka Turnip Fly. Dusting with BHC used
to be the precaution as soon as emerging~~repeated weekly until the rough leaf stage. This pest is only serious in dry weather and spraying with water each evening [after sunset] is a good deterrent. Talk to other allotment holders~~they can be most helpful. Best Wishes Brian. "Will" wrote in message ... Hi All, I think that this is my first posting here, though I have been lurking on and off for a couple of years. I am not a knowledgeable gardener by any means, though I used to assist my father many years ago. I took on an overgrown allotment the autumn before last, was late working it last year and most of what I planted was swamped by weeds, the exception being broad and runner beans, which both did very well. So I spent many hours last year hoeing, occasionally spraying with agri grade roundup, and using an enormous flamegun to cook both weeds and hopefully their weeds. This year I am well in front of where I was last year, the weeds at present are relatively few, and easily kept in check with the hoe, and most of the allotment is planted. I have spent some of the past three or four days admiring the allotment, as plants have started to grow, one of which was a row of swede, first breaking though, then getting taller and stronger. Until today... All of the seedlings that are through are covered with very small black beetle type bugs, and they appear to be nibbling on the leaves of the seedlings, and/or sucking their contents out, leaving the seedlings looking pretty poorly. Is this a known problem, and is it readily treated? All help appreciated... -- Regards, Will. |
#3
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Small black beetle types on swede seedlings
On Mon, 10 May 2004 23:08:09 +0100, "Brian"
wrote: This is the ultra common Flea-beetle aka Turnip Fly. Dusting with BHC used to be the precaution as soon as emerging~~repeated weekly until the rough leaf stage. This pest is only serious in dry weather and spraying with water each evening [after sunset] is a good deterrent. Talk to other allotment holders~~they can be most helpful. Another deterrent is to place a few old marg tubs around the plants and fill the tubs with a little old cooking oil ( up to a depth of, say, 5mm ) The flea beetle gets around by hopping ( hence the name ) and these traps will catch a fair few of the buggers. Once they're in the oil, they're caught. It's very satisfying to walk past the crop and watch the beetles pile into the traps. As oil floats on water these traps will tolerate a fair bit of rain too. Just empty onto your compost heap when done. Regards, -- Stephen Howard - Woodwind repairs & period restorations http://www.shwoodwind.co.uk Emails to: showard{who is at}shwoodwind{dot}co{dot}uk |
#4
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Small black beetle types on swede seedlings
On Mon, 10 May 2004 23:32:50 +0100, Stephen Howard
wrote: On Mon, 10 May 2004 23:08:09 +0100, "Brian" wrote: This is the ultra common Flea-beetle aka Turnip Fly. Dusting with BHC used to be the precaution as soon as emerging~~repeated weekly until the rough leaf stage. This pest is only serious in dry weather and spraying with water each evening [after sunset] is a good deterrent. Talk to other allotment holders~~they can be most helpful. Another deterrent is to place a few old marg tubs around the plants and fill the tubs with a little old cooking oil ( up to a depth of, say, 5mm ) The flea beetle gets around by hopping ( hence the name ) and these traps will catch a fair few of the buggers. Once they're in the oil, they're caught. It's very satisfying to walk past the crop and watch the beetles pile into the traps. As oil floats on water these traps will tolerate a fair bit of rain too. Just empty onto your compost heap when done. Regards, Thanks to both respondents for your help, I've treated the seedlings (or what's left of them) with both spray and dust, so hopefully that will do the trick. Oddly enough, there were none in evidence this morning, though it was fairly cool hereabouts - I get the feeling they had retreated a safe distance to watch... -- Regards, Will. |
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