So you don't think this is possible, like plumcots, apriums, and pluots? [ snip ]
Very likely possible. Just prolly no one had tried up 'til now.
In orchid breeding complex hybrids often produce unstable progeny, showing overbreeding problems like distorted flowers or muddy colors or poor growing habit or susceptibility to diseases. So backcrossing an orchid species to a complex hybrid orchid tends to stabilize the genetics and overcome things like crippled flowers and poor growth habits.
Mangos have been bred extensively for decades, so I suspect that Campbell's crossing of new material to create a Wango is intended to have a similar effect as with orchids as I described above.
I only saw the word 'wango' here on TFF a day or so before this thread and did not know what it meant.
With any luck at all wangoes could open up new breeding vistas and create some healthy hybrids that will be resistant to anthracnose and other mango aliments, plus modifying or intensifying some flavors.
We shall see . . . .
Paul M.
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