Phrag Eric Young -yellow

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phrag guy

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100_0147.jpg

It is not the best picture.
The parents are
besseae fma. flavum"Rising Sun" AM/AOS
x
longifolium fma. album"Fox Valley Mint"
Has any one elese flowered these out besides Tom?
Would be interested in seeing other ones.
Thanks
 
Really beautiful! But, it's not an alba, like it's parents. I'll never understand Phrag. genetics! However, I wonder if you selfed it, if some of the offspring would be true alba?
 
Really beautiful! But, it's not an alba, like it's parents. I'll never understand Phrag. genetics! However, I wonder if you selfed it, if some of the offspring would be true alba?

I do agree, it is difficult to believe than this hybrid come from 2 albino species? From the 7 or 8 seedling bloomed known as today, came out orange like this one… That’s mean 100% orange from this cross and this is ‘’almost’’ mathematically or statistically impossible for the result of two pure albinos. This much more closer to the result expected and found in the cross made with a standard longifolium X besseae flavum… Who should be more vigorous and stronger offspring too, but those who are blooming now are the strongest seedling too...

Hoping than somebody will get some pure yellow one from that cross in a near future. I’m still hoping for that! The longifolium alba seedling are very, very slow grower and maybe the pure yellow one from this cross got and should have that characteristic too…? I’m still believe and hoping than in a short while we will see some pure yellow from that cross (That’s mean save and keep the smallest and frail one), I’ll need to make my statistic consequential! ;)

This longifolium alba is bran new for breeder’s too, little know and first experimentation. I had great expectation for a pure yellow line breeding. I’m a kind of disappointed but still hoping! Backcross should be interesting to do… But as you know I’m not a fan of selfing hybrid!
 
I've actually flowered three of these, all looking quite similar to this flower. I'm sure they are true to the parents as they do not look like normal Eric Young flowers. The dorsal and synsepal on the ones we have flowered are pure yellow, which are normally mixed with orange.

Robert broke down the genetics for me, as this is an example of a double recessive gene cross.

AAbb x BBaa = AaBb (whereas the a=flavum and the b=album), which is why you lose the albino/flava characteristics. I've been trying to self/sib this cross, which is the only way to eliminate red/orange color. I'm guessing you'll get a near solid yellow by doing this (on about 25%).
 
Hi All,

Obviously, this has been a disapointment to us as well, but I think Robert's explanation of double recessive gene influence as mentioned by Jason appears plausible. Historically, albinistic breeding in slipper orchids has been a "two steps forward, and one step back" affair, and this appears to be another example. Selfing, and breeding back to another flavum besseae seems to be the most productive use of this grex.
 

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