...It would be interesting to collaborate with them to identify what that condition is and build testing for that trait into their process.
Interesting experience with the DTP varieties TB. It's great that you were able to persuade Eagle Smiley to play ball this season. If you would like to chase its issues a little more, I suggest you contact Craig LeHoullier directly. I think he's winding down his involvement with DTP, but he's a really nice guy, and I'm sure he will respond.