Chuang admits that it doesn't represent perfection-but he's working on it. As for the orchid Oncidium Gower Ramsey-known as "the yellow miracle" -its irregular number of chromosomes (which make it incompatible for crossbreeding), and the propensity for its pollen not to germinate, mean that very few private-sector breeders have shown any willingness to work on cultivars.
至於有「黃色奇蹟」之稱的文心蘭，因育種上染色體倍數不同、「雜交不親和」、花粉不發芽等障礙尚難克服，少有民間業者從事育種。