Pea cultivars that are known ppvv

[raymondo]

Does anyone know of a list of such cultivars?

[templeton]

No, I don't.
I'm growing out Swiss Giant, Roi de Carouby, Giant Snowman (which i think is Oregon Giant renamed), at the moment, the pods are drying, so i can test these.
Rebsie had a relatively long list of peas, but i don't know if she documented fiber.
Could be a good project.
T

[steve1]

I don't know of a list either. Would be very useful. Actually, just a list of snow/snaps with parchment genes.

@t - I do remember seeing something about fiber on Rebsie's site, but it was 'some' or 'none'.

It occurred to me today only today whilst looking at the dried F1 (full parchment) of two snows, that the method is simple enough.
You need two parchment tester lines with each having one of the recessive parchment genes (ie PPvv and ppVV). One cross of the variety you are interested in to each known parchment line and grow the F1.
If the snow/snap you are testing has the recessive gene that's in the tester line the F1 will display it, so the F1 pod will be wrinkled when dry. If you get full parchment (non wrinkled pod) - the snow/snap has the other recessive gene, which should be confirmed by the second cross (as wrinkled dry pod). If both F1's are wrinkled and dry you have both recessive genes in the variety.

It had never occurred to me the answers could be in the F1.

I have inadvertently developed two tester lines whilst trying to explain my F2 segregation. If anyone is interested in doing this let me know, I'd be happy to share the tester lines.

Cheers

[keen101 (Biolumo / Andrew B.)]

I think rebsie had started to document that, but I don't think she ever finished it.

www.angelfire.com/az/garethknight/dots/peacollection.html

But I would think there would be data somewhere on the net on breeding lines or commercial cultivars that have it. The question is how to find it.

Here's a link that might be useful though:

data.jic.bbsrc.ac.uk/cgi-bin/pgene/default.asp?ID=518