Ventilating forum threads by gardenersworld.com

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Talkback: Dealing with red spider mite

The cucumber plants in my greenhouse were growing well but started to develop "powdery mildew" which I was told was due to the atmosphere being too moist.I tried to increase ventilation and water carefully.I now have mildew and red spider mite which by Jackers

19/08/2012 13:16:20

by Jackers

Grapes

Thanks Ian Hi, I had the problem in my GH real bad this year I believe it was due to the lack of sunshine and warmth. Inadequate ventilation can be a probable cause. Hope 2013 is better! 2013 has to be better. PLEASE by tropicalboy

17/11/2012 12:02:33

by nutcutlet

tomatoes

, must be the cold. Thanks for the info will leave them alone. You should shade the greenhouse from direct sunshine and ventilate as much as possible-that will help with fluctuating temperatures. My greenhouse isn't glass so doesn't get the full force by Angela4

172

07/06/2012 15:05:19

by Angela4

Mildew/Red spider mite

19/08/2012 14:32:56

by Italophile

still very cold

and cut the bottom off and place it over the new shoot this seems to do the trick .hope this is of use to anyone Make sure you take the screw top off to provide ventilation i forgot to mention you need to take the lids of thanks for reminding me by colin tumber

31/03/2013 10:53:41

by colin tumber

DIY Cold frame

will be affected. Is K glass any good for using in a coldframe? Thanks I don't foresee much of a problem-the light levels will be marginally lower the insulation will definitely be better-it will be heavier of course- and you may need to ventilate more-but other by Tessa777

22/08/2012 10:01:39

by sotongeoff

Talkback: Grey mould

.....by keep on ventilating whenever possible! I have had quite some success with just pots of soil and droping seeds in and have slowly got more ambitious over the last few years trying to grow more. i used a propogator last year and created such a moist by dreamer

28/11/2011 18:41:25

by JamoPepper

tomatoes and mould

conditions and not enough ventilation especially at night. You can also get a black sticky mould caused by pests such as white fly. Thanks for reply, I think its the second one you described. When I start to pick the fruit there is 'clouds' of dust everywhere by ELLY

224

16/03/2012 13:43:04

by ELLY

Heating a greenhouse

about is the effect of the paraffin on seedlings and plants. There is a faint odour of paraffin in the greenhouse even though there is ventilation as advised in the instructions, when I open the door and obviously if the wick smokes at all it can leave a by Roly2

09/04/2013 21:56:41

by Rick greenfingers

Hard wood cuttings...

. I keep mine in a well-ventilated cold frame. Discussion here http://www.gardenersworld.com/forum/tools-and-techniques/hardwood-cuttings/49523.html I usually leave mine outside, as we haveno cold frame. I posted a question on the 9th and got some by Zoomer44

194

25/11/2012 13:00:04

by Zoomer44

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