Beechgrove query

I have just watched the last in the present series of Beechgrove. When the team were stood in front of their fantastic " harvest festival", there was a shot of what looked like fruit, (a bit like a bunch of grapes, but more berry like, a beautiful pink/purple colour) in a basket in front of where George was standing. I am just curious as to what it was. I have looked at the factsheet, but although there is a slightly blurry photo, it doesn't say what they were. Can anyone help please ? They may not even be a fruit !
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We have red dried corn, I think it is just another variety of sweet corn, it comes in a variety of red, white and yellow shades.
They were really striking.
The red ones are in our birds food and a very pretty red. That is my limit on sweet corn knowledge too