My chillies (Cayennes in a greenhouse) are coming to the end of their
useful production life, but some are developing brown woody looking
sections on their stems. We have been hit by both potato and tomato
blight (all obviously infected material has been removed from the
scene of the crime). I have been evicting the affected plants. Yes;
I am fighting various slugs and snails and probably red spider mite

Since chillies are related to the tomato familly, are these symptoms
indicative of a similar blight infection?

TIA
JonH