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By Annw

West Midlands, United Kingdom Gb

I have just taken over an allotment with known onion fly about,have covered my onions,shallots and garlic with fine mesh.BUT,if the fly overwinters in the soil and pupates,won,t it or could be under the mesh ??



I think I read that you should plant African marigolds or tagetes alongside so that the smell confuses the fly - it might have been advice for carrot fly but its worth a try.

5 May, 2011

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