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Mould everywhere
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Topic: Mould everywhere (Read 4064 times)
wetandcold
Half Acre
Posts: 110
Mould everywhere
«
on:
February 03, 2004, 12:23:15 »
In my unheated greenhouse some of my overwintering plants are suffering a bit from a strange grey mould :'(
Any dead / dying plant leaves, lavender seedlings, winter lettuce etc. quickly get covered in a fine grey powder and lots of tiny spores. As soon as I see the mould I put the plants outside and this seems to eventually kill it (and sometimes the plant dies too) but when I even touch a plant I can see all the little spores wafting off into the distance...
I have tried ventilating the greenhouse but it didn't help. Is there anything that can be done or is it a symptom of the dark damp winters up here in Glasgow? I had cleaned out the greenhouse with soapy water about two months ago - is there anything better I should be using that might help?
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Last Edit: January 01, 1970, 01:00:00 by 1077926400
»
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Doris_Pinks
Hectare
Posts: 5,430
Re: Mould everywhere
«
Reply #1 on:
February 03, 2004, 12:52:36 »
Sound like you have botrytis W&C! I have it in my greehouse too, though I do ventilate, but not as often as I should! I think prevention is the best way, remove dead leaves etc, before the problem starts, though I do this every year and still seem to get it!
I think that maybe it is symptomatic of an unheated greenhouse over here! I do puff my cannas, and geraniums with sulphur when I cut them, this seems to help, Dottie P.
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Last Edit: January 01, 1970, 01:00:00 by 1077926400
»
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We don't inherit the earth, we only borrow it from our children.
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The gardener
Acre
Posts: 378
In gardening-Effort in generally equals effort out
Re: Mould everywhere
«
Reply #2 on:
February 03, 2004, 15:48:40 »
My guess is; it is
still damp air
and ventilation helps.
Is it possible to put a fan (not necessarily a hot aired one) in the greenhouse? to get the air moving around.
I appreciate you want to keep the greenhouse as warm as is possible and opening windows and doors is not always practical.
Is it possible to slide a couple of panes of glass up a couple of inches thus causing a bit of a draught. This would at least keep the air in motion.
Other than that short of using fungicides I can't suggest anything else.
«
Last Edit: January 01, 1970, 01:00:00 by 1077926400
»
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The Gardener
cleo
Hectare
Posts: 2,641
I love Allotments 4 All
Re: Mould everywhere
«
Reply #3 on:
February 03, 2004, 18:18:08 »
Yes it is ventilation for sure. Get rid off all the dead/dying stuff and open the doors/vents during the day.
I know it is a pain but if you have bubble wrap over the windows take it down during the day to let the air circulate a bit.
Cleo
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Last Edit: January 01, 1970, 01:00:00 by 1077926400
»
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allotment_chick
Hectare
Posts: 504
comfrey is cool....
Re: Mould everywhere
«
Reply #4 on:
February 04, 2004, 18:28:44 »
Hi guys - fellow sufferer here too! Overwatering seems a contributory factor too, so easy on the can!
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Last Edit: January 01, 1970, 01:00:00 by 1077926400
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Guardian of around 2,950 sq ft of the planet Earth
tim
Hectare
Posts: 18,607
Just like the old days!
Re: Mould everywhere
«
Reply #5 on:
February 04, 2004, 20:11:20 »
As said - a fan is a huge help. Otherwise, right or wrong, after sterilising with Armillatox, I always use a Sulphur candle. This is in an empty 'house.
One wonders whether a smoke would be a help at this stage?? = Tim
PS Just looked up sulphur on the net, and it seems to say CLEAR the 'house first. So why can you happily dust things with it??
«
Last Edit: January 01, 1970, 01:00:02 by -1
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