Mentioned elsewhere, but maybe worth a spot of its own?
Onions, garlic & shallots. Frequently, at this time, tips of leaves of, especially the 2 latter, go yellow/brown. Is there any obvious cause? Ground is well composted & things had a dressing of b,f & b.
I know that we've had white rot for several years, but I'm praying that Armillatox will have done its job this year. = Tim