QTL mapping of winter dormancy and associated traits in two switchgrass pseudo-F1 populations: lowland x lowland and lowland x upland

Table 2 Broad-sense heritability and variance component for fall regrowth height (FRH), normalized difference vegetation index (NDVI), spring emergence (SE), and flowering date (FD) in two switchgrass F1 populations

Variance component	FRH	NDVI	SE	FD
AP13 x B6
V_G	14.1634	0.0015	1.1137	3.1996
V_GY	0.9358	0.0016	0.0547	0.0000
V_E	68.0466	0.0088	5.1854	5.5072
H²	0.5453	0.3933	0.5554	0.7771
B6 x VS16 (Planting 1)^A
V_G	23.9085	0.0012	0.1453	7.1659
V_GY	17.5303	0.0029	1.0892	0.5953
V_E	51.4146	0.0078	2.4063	4.0671
H²	0.5797	0.2997	0.1332	0.8802
B6 x VS16 (Planting 2)^B
V_G	54.6427	0.0004	2.1842	4.0238
V_E	93.9269	0.0007	8.5569	7.6346
H²	0.6357	0.6068	0.4337	0.6126

V_G Genotypic variance; V_GY Genotype by year variance; V_E Error variance; H² Broad-sense heritability; ^AThe first portion of BV population that was planted in April 2017; ^BThe second portion of BV population that was planted in May 2018

ISSN: 1471-2229