Genetic mapping and identification of QTL for earliness in the globe artichoke/cultivated cardoon complex

BMC Research Notes

Table 4 Earliness of the parental lines (‘C3’: ‘Romanesco C3’, ‘Alt 41’: ‘Altilis 41’) and their F1 progeny in “2008” and “2009”

Precocity trait	Year	Parents¹		F₁population²
Precocity trait	Year	C3	A41	Mean	Range	s.e.	h_B²
Main head (eMH)	2008	178 a	223 b	212.9	202-238	0.518	0.76
Main head (eMH)	2009	162 a	218 b	206.1	190-235	0.694
First order heads (eFOH)	2008	185 a	229 b	221.3	209-248	0.456	0.61
First order heads (eFOH)	2009	180 a	224 b	214.0	198-239	0.828
Second order heads (eSOH)	2008	198 a	239 b	232.6	214-267	0.695	0.54
Second order heads (eSOH)	2009	192 a	237 b	225.7	207-246	0.897

¹ Means followed by different letters within the same row are significantly different at P < 0.05.
² s.e. : standard errors; h_B²: broad sense heritability based on two years’ data.

ISSN: 1756-0500