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Table 1 Number of generations, offspring distribution and number of terminal and orphan lines for seven Trifolium species at the Margot Forde Germplasm Centre, New Zealand

From: Pedigree analysis of pre-breeding efforts in Trifolium spp. germplasm in New Zealand

Species

Number of generations

Offspring distribution

Number of accessions with offspring

Non zero average offspring range

Non zero average offspring

Number of orphan lines

Number of terminal lines

Year of entry of the first accession

T. ambiguum

0–2

0–122

6

2–122

39

42 (5.2%)

765 (94.0%)

1962

T. arvense

0–1

0–5

4

1–5

2

32 (36.4%)

52 (59.1%)

1962

T. dubium

0–2

0–25

31

1–25

1

24 (11.2%)

160 (74.8%)

1956

T. hybridum

0–2

0–7

27

1–7

1

66 (18.1%)

270 (74.2)

1955

T. medium

0–1

0–39

14

1–13

5

5 (4.5%)

93 (83.0%)

1939

T. subterraneum

0–3

0–3

13

1–2

1

225 (47.6%)

235 (49.7%)

1956

T. repens x T. occidentale

0–3

0–65

75

1–32

6

732 (49.7%)

1054 (71.6%)

2015