Mapping a major QTL responsible for dwarf architecture in Brassica napus using a single-nucleotide polymorphism marker approach

Table 2 Agronomic performance of the Brassica napus ‘ZS11’ × (‘ZS11’ × Bndwf/dcl1) BC₁ population

Trait	‘ZS11’	Bndwf/dcl1	F₁	BC₁ population
Trait	‘ZS11’	Bndwf/dcl1	F₁	Normal plants with normal leaves	dwarf plants with down-curved leaves	p value
Plant height	143.5 ± 7.0	49.3 ± 8.7	56.2 ± 2.6	122.5 ± 13.0	48.2 ± 8.0^b	1.7E-237
Branching height	29.2 ± 3.5	9.9 ± 3.8	11.9 ± 3.8	34.0 ± 7.6	10.2 ± 3.3^b	2.2E-155
Main raceme length	72.3 ± 6.6	24.4 ± 4.2	29.6 ± 5.1	57.9 ± 9.3	25.3 ± 6.1^b	1.6E-156
Average branching interval	6.6 ± 1.0	3.4 ± 2.1	3.5 ± 1.4	7.1 ± 2.0	3.2 ± 1.6^b	5.5E-76
No. of primary branches	7.4 ± 1.2	5.7 ± 1.1	5.3 ± 0.9	5.4 ± 1.4	5.2 ± 1.4	0.22
Yield per plant^a	24.3 ± 4.1	14.0 ± 2.9	14.9 ± 3.1	18.5 ± 11.2	14.7 ± 8.4^b	0.00011
1000-seed weight^a	4.570 ± 0.304	3.426 ± 0.702	4.221 ± 0.394	4.364 ± 0.521	3.924 ± 0.660^b	3.28E-13

^a Indicates that the trait with this sign was investigated in 20 individuals randomly sampled from dwarf and tall subpopulations, respectively
^b Indicates significant differences between dwarf and tall plants at the 0.01 level by t-test. Data are presented as mean ± standard deviation (SD)

ISSN: 1471-2229