Since my last posts I have been reading and learning a lot. This has changed how I am thinking about approaching my quest for a white micro. Current information is r- is a yellow allele that makes the pale flesh desired in a white then you combine that with a clear epidermis for what folks would call a white.
The most suggested path is to cross a yellow to a white. F1 would be r r- and appear yellow. F2 I could get my white but it would be a matter of picking the palest yellow and checking to see if it has a clear or yellow epidermis.... for this one I would use Jachalos x Melon Ball as my cross to produce a sweet fruity tasting white.
Then I saw a discussion about bi colors. Bi color is also supposed to be a yellow allele in this case ry. It was suggested that if you crossed your bi color to a red or pink any yellows in your F2 and on would be your ry ie bicolor gene. This approach is intriguing and I feel it could work just as well for my white search.
For this approach I would actually start with Rosy Finch. I liked the growth habit and productivity of it last year but was not impressed with the flavor. I also liked the size and shape of the tomatoes. But what really made me choose it for this path was the fact it is a pink. Pink tomatoes already have the clear epidermis I want for whites which means one less thing to worry about collecting. F1 from a Rosy Finch x white would be Pink. F2 would be either Pink or white. I could use Melon Ball for this one also or pick any of the 4 or 5 other whites I have in my seed collection. I am leaning towards Blonde Boar for this cross...
And of course I have to leave room for the 172X F3 I want to grow.
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More paths to white...
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#1SeanInVa commented01-31-2021, 12:10 AMEditing a commentDo you want to bring this "white micro" project under the MTDP umbrella? If so, I will be happy to create a Project forum for this one, and make you a moderator of it. Let me know!
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#2wykvlvr commented01-31-2021, 12:41 AMEditing a commentIf you think it would be a good idea. I have kept it to the blog as I was not sure how many folks would be interested in such a project. But it has proven a nice diversion for me this year.
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#3wykvlvr commented02-08-2021, 07:35 AMEditing a commentI think I have figured a way to include my questions about Micro Tom being a potato leaf with my quest for a white micro dwarf. Micro Tom is an early rather prolific micro dwarf. The seeds I grew out also had two distinct growth habits. One very flat and sprawling and one more upright but still under 4 inches tall. Mr Snow is a white midseason POTATO LEAF dwarf beefsteak. I think I will plan on crossing Mr Snow to a plant of each growth habit and see what we get.
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