Table 1. Number of individuals involved in each stage of the experiment by line.

		Diploids			Neotetraploids			Tetraploids
		D1a	D2	DC	N1	N2	NC	T1	T2	TC
Base Population	Maternal Familiesb	113			29			105
	Individualsc	225			57			206
Selection - One	Fertile Individuals	146			41			195
	Individuals in Crosses	24	24	24	20		20	24	24	24
	Individuals Common to Control	1	2		12			4	2
	Seed Families Pairs Created	36	36	36	40		40	36	36	36
Generation One	Maternal Families	34	35	34	30d	30d	30	30	27	29
	Individuals	134	138	134	109	103	107	107	97	106
Selection - Two	Fertile Individuals	122	138	134	101	101	99	100	95	102
	Individuals in Crosses	24	24	24	24	24	24	24	24	24
	Seed Families Pairs Created	36	36	36	36	36	36	36	36	36
Generation Two	Maternal Families	30	29	33	28	32	30	28	32	30
	Individuals	120	109	126	111	124	112	103	118	115
Selection - Three	Fertile Individuals	114	109	112	108	113	101	103	117	114
	Individuals in Crosses	24	24	24	24	24	24	24	24	24
	Seed Families Pairs Created	36	36	36	36	36	36	36	36	36
Generation Three	Maternal Families	36	34	36	35	35	32	36	36	33
	Individuals	130	128	131	131	132	117	131	129	123
Selection - Four	Fertile Individuals	118	124	130	127	125	110	129	129	123
	Individuals in Crosses	24	24	24	24	24	24	24	24	24
	Seed Families Pairs Created	36	36	36	36	36	36	36	36	36
Generation Four	Maternal Families	15	15	14	15	15	14	15	14	14
	Individuals	30	28	28	30	30	26	30	27	27

^aLines are coded as (D1, D2 = Diploid line 1 and 2, DC = Diploid Control; N1, N2 = Neoautopolyploid line 1 and 2, NC = Neoautopolyploid Control; T1, T2 = Extant Autopolyploid line 1 and 2, TC = Extant Autopolyploid Control).

^bNumber of maternal families represented within individuals surviving to the end of the generation.

^cNumber of individuals surviving to the end of the generation.

^dThirty-five seed families were chosen at random from 40 created in first round of selection to found N1 and N2.