Black irregular dry spots on my courgette leaves.

Hello forum.
This is my frist post and first attempt at growing anything.
Myself and my girlfriend have decided to grow some indoor veg and herbs. We went for a bunch herbs, like flat leaf parsley, coriander, dill and mint. We have also planted chillies and courgettes.
All the plants are doing very well, except recently our courgettes. We have 6 plants and on 2 of them the lower leaves have started to develop blackish dry spots that feel papery to the touch. It started with one plant then a week later another plant has developed the same symptoms, though not as severe. I've searched around and the closest explanation I can find is that it is blight, but I want to be sure because some of the descriptions and pictures I've seen don't match up 100%.
I've included pictures of the leaves in questions in the hope that someone can confirm what the issue is and how to clear the problem and prevent it in the future. I would very grateful if someone could shed some more light on this.
I don't want to lose my babies.
Mohfro
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Mohfro


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Mohfro wrote:

I don't recognise the specific pattern other than to say those plants sure do look unhealthy. Chillies and courgettes are not indoor plants. You may find that the plants are so weak from being in poor conditions that they will be susceptible to almost any pathogen that comes along and possibly more than one at a time.
Where are these plants growing? How much sun do they get? What is the temperature and humidity?
David
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Mohfro said:

That looks like the sort of drying / scorching I get on some of my tomatoes and eggplants indoors when I have to hold them indoors too long (due to uncooperative weather).
Possibly more a physiological problem than a disease. Courgettes (squash) are not indoor plants. Even outdoor it can be a challenge to grow them in containers. You need a big container and they will have a large demand for water and nutrients.
If you do attempt to move them to an outdoor space, they will need to undergo gradual acclimatization to full sun ('hardening off').
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Pat in Plymouth MI

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