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Minnesota Mato May 27, 2018 06:44 PM

Gezahnte x Aunt Ruby German Green
I am growing out a cross of Gezahnte x Aunt Ruby German Green in the f2. I have around 50 plants and wonder what are the odds of each color. Not sure the skin color on either plant but the Gezahnte looks pink to me. If the argg has yellow skin I would think you could get red, pink, yellow, Green , purple or black but calculating the odds is more than I want to tackle

bower May 27, 2018 07:11 PM

On Mendelian ratios alone...
Red flesh is going to be your dominant trait in the f2 and should be doing its thing in about 3/4 of your 50 F2's (37.5). 1/4 of those would be gf/gf so a black (purple or brown depending on skin color) (9.375). Subtract the blacks from the red fleshed and you get 28 red or pink, 9 purple or brown.
The remaining 12.5 are either yellow/white or gwr (again 1/4 of the 12 or 13).

So by Mendelian reckoning I get 3 green, 10 yellow or white, 9 purple or brown, 28 red or pink.
I could be wrong. :)

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