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One of my courgette plants seems to be showing signs of powdery mildew. I have grown them for the last couple of years and have got used to this, but previously it has started a bit later in the season. This year I was also a bit later getting them started - sown 9th May. The plant in question (black beauty) is only just starting to produce first courgette whereas we have already had a few off the other unaffected plant (F1 defender).
My understanding was that it was lack of water, which made sense, particularly as last year they were grown in pots. This summer of never ending rain they are in the ground prepared with plenty of compost and surely cannot be going thirsty?
My understanding was that it was lack of water, which made sense, particularly as last year they were grown in pots. This summer of never ending rain they are in the ground prepared with plenty of compost and surely cannot be going thirsty?
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