I'm new to gardening and have planted some broad beans (I'm in the southern hemisphere). They were fine for a while but now they leaves have a curled up appearance, new growth is going black and there are black spots on the leaves.
They were next to some plants (now removed) that had an aphid infestation so I sprayed the broad beans with a pyrethrum spray even though they appeared to not have any aphids.
Photos to come. Any help and advice would be appreciated.
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