mould on spuds & garlic

[bb]

I had to dig up the spuds this weekend as they all died back over the course of a week,some of the tubers had rotted and were covered in a grey mould other tubers were in perfect condition on the same plant up to nine iches long and sound as a bell. Some of the galic had the same mould and starting to rot others were unaffected. It's a new plot i have a wheat field behind the plot and none of my niegbours do a veggie plot any ideas thanks.

[daylily]

Botrytis, most likely. Dispose of all affected plant material. Very common, but no the biggest heart acke, should die out in cold weather with good hygiene.