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cabbage root fly
My radish (and possibly carrots) have been affected by cabbage root fly and
my ref. book suggests I should spray with a nematode based insecticide. Can anyone suggest a brand? Also can I replant using derris or anything else, when I will cover with enviromesh(better late----) |
#2
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cabbage root fly
I think your carrots may have carrot root fly. Have the leaves gone a
reddish tinge, and the carrots have little drill holes through them? Radish don't usually suffer from anything like that as they're hardly in the ground long enough but the do get flea beetle which gives them lots of holes in the early leaves. I'm not entirely sure about the nematode spray, I thought that was more active in a greenhouse but someone else may know better. When I sow my seeds I put a puffer around, can't remember the name but it'll be in the shops. Not worked too well with the carrots this year as they are showing signs of carrot fly and so are some parsnips. The solution must be to put this fleece right around them which I will try next year all being well. There is always an idea going around that if you put a foot high physical barrier around them that this will stop the fly but that doesn't work either I find miklol wrote: : My radish (and possibly carrots) have been affected by cabbage root : fly and my ref. book suggests I should spray with a nematode based : insecticide. Can anyone suggest a brand? Also can I replant using : derris or anything else, when I will cover with enviromesh(better : late----) Robert The Devil's Advocate www.pafc.co.uk |
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