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Old 18-07-2011, 05:26 PM posted to uk.rec.gardening
Alan \(BigAl\) Alan \(BigAl\) is offline
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First recorded activity by GardenBanter: Jun 2011
Posts: 10
Default What is this pest and how to combat it?

I grew a row of turnips this year. They have a lovely healthy top to them,
and I have been delighted by the way they have developed from marble to golf
ball to tennis ball and bigger. I thought I would sample one today, as they
will benefit from thinning anyway.

http://s1102.photobucket.com/albums/...t=PICT3032.jpg

On washing and peeling it, I was dismayed to find that it was unusable, as
it had been attacked by a series of small grubs that had bored into it and
introduced a network of brown rotten trails through it.

I have not checked the rest of the row, but if it is the turnip equivalent
of carrot fly, I suspect that I may as well rip them all out and chuck them
in the compost bin.

Any thoughts please? Am I too late to do anything to rescue some crop?

cheers
Alan