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New bug attacking garlic and onions?

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Salmo

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  • Location: Peterborough
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New bug attacking garlic and onions?
« on: April 03, 2009, 23:49 »
Did anyone see tonights Gardeners World? What were they talking about?

I got called out of the room and when I returned they were just finishing talking about a new bug attacking garlic and onions?
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harrymac

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  • Location: Tyneside
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Re: New bug attacking garlic and onions?
« Reply #1 on: April 04, 2009, 00:29 »
http://www.bbc.co.uk/programmes/b006mw1h. Starting 55:00 mins into the video.
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zazen999

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Re: New bug attacking garlic and onions?
« Reply #2 on: April 04, 2009, 09:00 »
Allium Leaf Miner.....

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mikem

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  • Location: North Yorkshire
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Re: New bug attacking garlic and onions?
« Reply #3 on: April 04, 2009, 09:22 »
RHS web site shows:-

"Allium leaf miner (Phytomyza gymnostoma)
The allium leaf miner is a pest of Allium crops, particularly onions, spring onions, garlic and chives and potentially of ornamental Allium plants. It mines the leaves and bulbs, making the plants soft and susceptible to bacterial and fungal infections, such as white rot. Heavy infestations completely destroy plants. Adult flies are about 3mm long with a black and yellow underside and black legs with yellow ‘knees’.

The pest is causing widespread damage to crops in an increasing number of European countries. The first UK outbreak was discovered in December 2003 in Wolverhampton. A further 12 outbreaks have since been found locally."

Covering the crop seems to be the way to control it but as they are only 3mm long a very fine net would be required.
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Salmo

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Re: New bug attacking garlic and onions?
« Reply #4 on: April 04, 2009, 12:14 »
Black legs with yellow knees!!

Thanks I shall watch out for that.
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mikem

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  • Location: North Yorkshire
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Re: New bug attacking garlic and onions?
« Reply #5 on: April 04, 2009, 12:19 »
Quote from: Salmo on April 04, 2009, 12:14
Black legs with yellow knees!!

Thanks I shall watch out for that.

You had better get a microscope, at 3mm long how can you see it's yellow knees! :D
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Stripey_cat

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  • Location: Oxfordshire
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Re: New bug attacking garlic and onions?
« Reply #6 on: April 05, 2009, 10:27 »
Good eyesight?
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« Broad bean plant plugs | Mixed Salad Leaves »

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