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Cauliflower leaves turning red/yellow
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Posted by
battery841 IL (
My Page) on
Sun, Jul 6, 14 at 16:07
| My cauliflower leaves are turning red and yellow over the past few days. What is the cause of this? https://www.dropbox.com/s/r4baciqruh20dfm/Photo Jul 06 9 03 20 AM.jpg |
Follow-Up Postings:
RE: Cauliflower leaves turning red/yellow
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RE: Cauliflower leaves turning red/yellow
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| The plants aren't happy, but the possible causes are several. |
RE: Cauliflower leaves turning red/yellow
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| Here is a photo. I was on my iPad so I couldn't upload. |
RE: Cauliflower leaves turning red/yellow
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link not working.
Drought stress?
Root problem? |
RE: Cauliflower leaves turning red/yellow
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| Is the image not showing up in the thread? I uploaded an image so it should be there. I'm in the midwest with plenty of rain so I don't believe it's drought. Certainly could be a root problem but I don't know what. |
RE: Cauliflower leaves turning red/yellow
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| Cauliflower is subject to a number of soil borne problems. One thing it cannot tolerate is heat. Depending on whether you are central or up the Canadian border, heat stress could be your problem. |
RE: Cauliflower leaves turning red/yellow
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| I'm in Chicago. We've had a warm but not a ridiculously hot summer. How can I look for soil problems? |
RE: Cauliflower leaves turning red/yellow
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| Most obvious is to examine roots. Cabbage root maggots will be tiny white worm like larvae that eat tunnels through the under ground stem. Club root will be extensive galling of the root. Nematodes Phytophthora root rot All of these cause extensive damage to the root system. |
RE: Cauliflower leaves turning red/yellow
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| Tug on the plant. If it seems loose in the soil, pull it out and look at the roots. |
RE: Cauliflower leaves turning red/yellow
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| Cauliflower is a cool season crop. When did you plant? I'm north west of Chicago, and it's too warm now. Even if the plant survives I don't think it will produce a head of cauliflower |
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