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Can someone please tell me what is causing this?


 
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monkeynic
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PostPosted: Mon Apr 26, 2010 7:55 pm    Post subject: Can someone please tell me what is causing this? Reply with quote

On my cauliflower and sprouts the leaves are becoming yellow and brittle. They have enough water and light. Just worried they are gong to die off. Can anyone advise please?
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MacFistycuffs
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PostPosted: Mon Apr 26, 2010 11:03 pm    Post subject: Reply with quote

If it is the two lower seedling leaves which are becoming yellow and brittle then this is normal, they provide energy for the plant at seedling stage and then fall off once no longer needed. If it is the true leaves which are becoming yellow then it is possibly a mineral deficiency.
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michael brenock
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PostPosted: Tue Apr 27, 2010 9:57 am    Post subject: Reply with quote

a picture would be very useful but from your description it sounds like a temperature effect , not being hardened off properly. As long as centre of plant is still green and growing there is nothing seriously wrong.
michael brenock horticultural advisor (retired)
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monkeynic
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PostPosted: Tue Apr 27, 2010 1:07 pm    Post subject: Reply with quote

Thanks for the advice. It could be a hardening off problem, but my cabbages haven't suffered the same, its just the sprouts and cauliflower (the caulflower more so). I have tried uploading photo but they are too big. Sad Will try taking another photo this evening.
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michael brenock
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PostPosted: Tue Apr 27, 2010 10:40 pm    Post subject: Reply with quote

I think it is the low temperature that is the cause, cauliflower is more susceptible than cabbage. if cauliflower is subjected to low temperature at the young plant stage it will cause buttoning or bolting, heads only half inch in diameter, sprouts are a little hardier and cabbage is good.
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monkeynic
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PostPosted: Wed Apr 28, 2010 11:02 am    Post subject: Reply with quote

Thanks, I looked again and seems to be a lot of lower leaves mainly. Is there may chance they will survive? They were left outside a few days before planting in their final bed to try and harden the up maybe I should have left it longer.
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