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Tomatoes - Fungus/Lichen in growbag?
in Fruit & veg
I have 18 Tomato plants in grow bags in the conservatory - I am having terrible trouble controlling daytime temperatures with the windows (can't leave the door open when out at work) but I thought I had managed to avoid making it humid.
This week a white-yellow growth has appeared on the compost of one of the grow bags - I can't decide if it is fungus or lichen but given that most plant diseases seem to be fungal I'm worried!
I tried removing the affected compost but the growth has returned.
How can I tell if this is going to harm my plants and/or get rid of it?
Do I need to get another grow bag and transplant them? (no fruits yet, quite late sowing the seeds)
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The type of fungi which grow in soil are very different to those which infect plant tissue and are generally nothing to worry about. You would cause far more harm trying to transplant them than anything the fungus in the growbag will do. It may even be beneficial as fungi break-down organic matter into nutrients which plants can take up via their roots. In my opinion, if the plants are looking healthy, ignore it.
Scrambled egg is a good description, and it looks like slime mould isn't actually a fungus although i looks like one.
Seems I can rest easy and just let nature do it's thing!
Cheers guys!