Trait-based mapping to identify the genetic factors underlying anaerobic germination of rice: Phenotyping, GXE, and QTL mapping

Table 3 List of QTLs detected for anaerobic germination potential in the BC₁F_2:3 mapping population of BJ1 and NSIC Rc222 significant at 1%level of significance

Trait	QTL	Chromosome	Locus name	Range	Position	A	LOD	R²
Screen house
SUR (14DAS)	qAG6–2	6	RM190	RM508-RM510	5.5	9.0	5.6	0.13
	qAG7–4	7	RM481	RM481-RM21427	15.4	34.8	8.3	0.19
	qAG10–1	10	RM258	RM258-RM304	71.2	8.0	4.7	0.11
SUR (21DAS)	qAG6–2	6	RM190	RM508-RM510	5.5	8.9	5.4	0.13
	qAG7–4	7	RM481	RM481-RM21427	15.4	35.1	7.9	0.18
	qAG10–1	10	RM304	RM258-RM304	73.2	7.7	6.3	0.15
Tray
SUR (14DAS)	qAG1–2	1	RM490	RM272-RM490	25.5	7.4	4.7	0.11
	qAG6–2	6	RM587	RM508-RM510	9.5	8.8	7.0	0.16
	qAG10–1	10	RM258	RM258-RM304	71.2	8.4	5.0	0.12
SUR (21DAS)	qAG1–2	1	RM490	RM272-RM490	25.5	9.0	5.3	0.13
	qAG6–2	6	RM587	RM508-RM510	9.5	10.3	6.4	0.15
	qAG10–1	10	RM258	RM258-RM304	71.2	9.9	4.7	0.11
Across environments
SUR (14DAS)	qAG1–2	1	RM490	RM272-RM490	25.5	4.7	5.0	0.12
	qAG6–2	6	RM587	RM508-RM510	9.5	5.4	6.3	0.15
	qAG7–4	7	RM481	RM481-RM21427	13.4	10.3	6.0	0.14
	qAG10–1	10	RM258	RM258-RM304	71.2	5.9	5.6	0.13
SUR (21DAS)	qAG1–2	1	RM490	RM272-RM490	25.5	5.2	5.4	0.13
	qAG6–2	6	RM587	RM508-RM510	9.5	5.9	6.0	0.14
	qAG7–4	7	RM481	RM481-RM21427	13.4	10.5	5.5	0.13
	qAG10–1	10	RM258	RM258-RM304	71.2	6.9	6.2	0.15

SUR seedling survival (%), DAS days after seeding, LOD logarithm of odds, R² phenotypic variation explained, A additive effects of the peak marker

ISSN: 2730-6844