Mysterious yellow spots!
I am a beginner gardener and have grown some courgette plants from seed. I have just noticed that some of the older leaves have tiny bright yellow perfectly circular spots on them. The variety is Courgette 'Firenze' F1 Hybrid.
After researching lots of photos on the internet I thought instead of self diagnosing the problem it may be best to ask experienced gardeners before I do anything rash.
Any advise would be greatly appreciated as I would like to save these plants if I can, but I don't want to risk spreading disease to any of my other veggie plants.
*I have attached a couple photos of my plants to reference.