History and Status of Eucalyptus Improvement in Florida

Table 1

Numbers of trees and accessions in Florida Eucalyptus grandis, E. robusta, E. camaldulensis/E. tereticornis, E. amplifolia, and Corymbia torelliana genetic base populations and derived seedling or clonal (C) seed orchards by generation and year of establishment.

Generation	Year	Base population		Orchard
		Trees	Accessions	Trees	Accessions
E. grandis seedling seed orchards
1	1961	4,352	13	8	3
2	1964	11,000	18	33	12
3	1973	13,234	285	431	191
4	1977	31,725	529	1,500	260
5	2002	1,620	69	73	33
5	2010-11	1,300	26	~260	~20
5	2011-12	5,580	36	~480	~25
E. grandis clonal seed orchards
4C	1996			154	41
4C	2007			176	36
E. robusta seedling seed orchards
1	1961	2,304	9	119	??
2	1967	6,275	64	94	39
3	1975	24,476	372	706	191
E. camaldulensis/E. tereticornis seedling seed orchards
1	19??	?	??	??	??
2	1974	13,421	184	243	150
E. amplifolia seedling seed orchards
1	1992	1,685	109	139	106
2	1999	1,638	59	40	22
2	2003	216	22	33	12
C. torelliana seedling seed orchard
1	2008	960	29	69	25