The first cross was Brandywine X Cherokee Purple with subsequent selection to the F3 for a single line of potato leaf plants that exhibit outstandingly good flavor but that is relatively unproductive otherwise. This F3 is crossed with Black Cherry to yield the Purple Haze seed. The problem Keith has struggled with is that the F3 tends to segregate rather heavily with a significant proportion of the progeny having relatively poor flavor. This means that he has had to go back to the F3 for growouts to produce hybrid Purple Haze seed.
DarJones
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