Giorgio Gallesio

[4][5] His famous book Traité du citrus was first printed in 1811 and reprinted in 1826 due to its popularity.

[6] In this work, he presented his findings that hybrids are offspring of outcross pollination and not due to grafting as previously thought.

[7] He also studied the family barriers affecting species compatibility and gave a good account of the history and distribution of citrus.

[9] He has a further minor claim to fame as the first person to use the expression 'dominant' (in Italian, 'dominante') to refer to the hereditary transmission of characters when plants are hybridised ("Quindi la loro combinazione, non essendo naturale, riesce inconstante nei suoi effeti, e questi portano, ora l'impronta di un principio, ora di un altro, in proporzione che ve ne è uno dominante."

The term appears in a passage in which Gallesio describes the hybridisation of two strains of carnations having red and white flowers.