I would like to share our experiment (last results) with crossing two rare Tamarillo species: Hardy tamarillo - Cyphomandra corymbiflora = Solanum corymbiflorum and Guava Tamarillo - C. fragrans = Solanum diploconos. The hybrid F1 created a few fruits. The hybrid connect the best features of its parents: is dioecious leaves, more frost hardy than C. fragrans and its fruits are better tasting than both parents fruits.
| | | | | | | | | | I year 2019 we made successful back crossing with both parents (we had
also success with crossing hybrid F1 with C. fragrans parent -
combination which failed in experiment of prof. Lynn Bohs in 90' years).
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C. corymbiflora x fragrans - F1 hybrid
 | | | | | | | | | | | | | | | | | | | | | | I year 2019 I made successful back crossing with both parents (I had
also success with rossing hybrid F1 with C. fragrans parent -
combination which failed in experiment of prof. Lynn Bohs in 90' years).
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Over a fruit of the hybrid (C. corymbiflora x fragrans - F1), on down C.corymbiflora
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The hybrid F1 fruits
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On the left C. corymbifora, on the right the hybrid F1 (C. cormbiflora x fragrans)
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| Over ripe fruits the hybrid F1(the fruits taste better than both parents - they are not astringet like C. corymbiflora, aromatic but not too acid, delicious) |
Cyphomandra corymbiflora x fragrans x corymbiflora - BC1 hybrid
BC1 hybrid - C. corymbiflora x fragrans x fragrans (the combiation which we succed the first time in world at all)
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It has created flower buds but no flowers in first year from seeds
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