Root maggots

zodiac(Z2b QC)September 18, 2005

I have a problem with root maggots in my green onions and carrots. This is the 2nd year I plant my garden, but the first time I plant green onions. I have researched a bit and have already heard that I could try ashes to treat the soil. I have been seriously thinking of starting over (digging up my entire garden area and putting down a fresh load of black earth as well as manure and fertilizer). Any chance that this could eliminate the root maggots as well or will they come back (let's say I don't get all of the affected soil dug up?)

Thanks for any help.

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Nushka_IA(4b IA)

No, it won't work. Root maggots are the larvae of a fly that will come back and lay its eggs in whatever soil you have in that spot. Try crop rotation and floating row covers.

    Bookmark   September 19, 2005 at 4:20PM
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zodiac(Z2b QC)

I kind of figured that they would come back because of the damn fly. I wonder why my neighbors don't have the same problem. Our gardens are separated by a simple wooden fence and they had plenty of onions planted right next to it. Their garden has been established for years.

My garden area is quite small (I can barely use an entire packet of seeds when I plant) so I doubt that rotating will be very effective. What about wood ashes, how effective are they really? As for ground covers, I've read up about it but I'm still not sure about how to do it. I'd need to see a few really good pics (I'm a visual person).

Anyone know of any products available in Canada for this type of problem?

    Bookmark   September 19, 2005 at 11:33PM
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I wet the row with a mixture of vinegar and water for onions before planting. No maggots in my onions. Haven't tried it on carrots tho'.I am from central alberta.

    Bookmark   February 8, 2012 at 11:29PM
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I plant onion sets just deep enough so as the tips are sticking out of the ground. When the plants have begun to nicely established themselves, the soil is carefully pulled away to the base of the bulbs, yes some of them will then flop, though most will soon right themselves. We never again have had maggots in the onions when using this method. This also works quite well for turnips.


    Bookmark   March 31, 2012 at 10:32PM
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