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Old June 8, 2017   #3
StrongPlant
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Join Date: Jun 2016
Location: Europe/Serbia-Belgrade
Posts: 151
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Quote:
Originally Posted by WhippoorwillG View Post
As in crossing two F1's?

If so, then yes. The only time I've done it was using two F1's I had created and wanted to see how they recombined with regards to vigor and fruit size.

There will be segregation in the initial hybrid from the hertero traits, but the extent will depend heavily upon the initial parents and their genetic "distance" from each other. Wild lines combined with more domestic varieties result in tons of possibilities. Combine two wildxdomestic F1's with different backgrounds, and you will have a YUGE amount of variability and a long road ahead. There will usually be a few dominant traits that are obvious with a lot of variability in the expression of other traits.

More experienced breeders can give better advice on the matter, but a double cross of this nature has shown limited use for me other than curiosity. I have much more luck working lines to F3 or F4 and then combining them based upon desired outcomes. This allows a more predictable outcome, but keeps the variability in play.
I was wondering if it was worth it,as in will the F1xF1 be more more healthy/vigorous/productvive in comparison with single cross.I found some papers and it looks like single crosses are superior.I'm focusing mainly on F1's,I was just wondering about other possibilities,but I guess anything other than single cross and you're sacrificing uniformity among plants.
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