Predicting the potato leaf?

Greatgardens · August 18, 2017

I'm growing an op version of Burpee's Orange Slice, thanks to the kindness of one of our members here. I planted about 10 seeds, and only one came up with pl foliage. Naturally I planted it. It is a big indeterminate plant with very large orange fruit. The largest was 1.4#, and mostly pretty good-looking fruit that have great flavor. So this is now an F4 (IIRC), and when I save the seeds, can the percent of pl offspring be predicted? I realize that my original ten seeds was a small sample, but I would think that the results of this generation should be more like 25-50%? Or can this be successfully predicted? -GG

zipcode · August 18, 2017

Once a potato leaf, always a potato leaf.

PhilaGardener · August 18, 2017

The PL leaf trait is recessive, so your PL leaf plant has two copies of that allele - and all offspring (from self-pollination) will inherit the trait.

If RL shows up among the offspring, that would be an indication of out-crossing (to explain the presence of the RL allele).

August 18, 2017	#1
Greatgardens Tomatovillian™ Join Date: Feb 2010 Location: Indiana Posts: 1,124	Predicting the potato leaf? I'm growing an op version of Burpee's Orange Slice, thanks to the kindness of one of our members here. I planted about 10 seeds, and only one came up with pl foliage. Naturally I planted it. It is a big indeterminate plant with very large orange fruit. The largest was 1.4#, and mostly pretty good-looking fruit that have great flavor. So this is now an F4 (IIRC), and when I save the seeds, can the percent of pl offspring be predicted? I realize that my original ten seeds was a small sample, but I would think that the results of this generation should be more like 25-50%? Or can this be successfully predicted? -GG Last edited by Greatgardens; August 18, 2017 at 05:46 AM.

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August 18, 2017	#2
zipcode Tomatovillian™ Join Date: Jun 2010 Location: Romania/Germany , z 4-6 Posts: 1,582	Once a potato leaf, always a potato leaf.

August 18, 2017	#3
PhilaGardener Tomatovillian™ Join Date: Jan 2014 Location: Near Philadelphia, PA Posts: 1,940	The PL leaf trait is recessive, so your PL leaf plant has two copies of that allele - and all offspring (from self-pollination) will inherit the trait. If RL shows up among the offspring, that would be an indication of out-crossing (to explain the presence of the RL allele).