by Theo Sanders • • Comments Off on Crosses of tetraploid standard daffodils with N. bulbocodium graellsii are possible
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For many years hybridizers have tried to combine N. bulbocodium with standard daffodils. The success was minimal. Now a solution of the problem has been found: N. bulbocodium graellsii can be routinely interbred with standard daffodils. If it is…