Table 1.

Broad-sense heritability obtained for the agronomic and nutritional traits for the F1 mapping population of guinea grass (Megathyrsus maximus) evaluated in this study.

Traits		H²
Agronomic	Green matter (GM)	0.64
	Total dry matter (TDM)	0.57
	Leaf dry matter (LDM)	0.58
	Stem dry matter (SDM)	0.35
	Percentage of leaf blade (PLB)	0.19
	Regrowth capacity (RC)	0.36
Nutritional	Leaf organic matter (OM_L)	0.31
	Stem organic matter (OM_S)	0.15
	Leaf crude protein (CP_L)	0.13
	Stem crude protein (CP_S)	0.28
	Leaf neutral detergent fiber (NDF_L)	0.14
	Stem neutral detergent fiber (NDF_S)	0.14
	Leaf acid detergent fiber (ADF_L)	0.25
	Stem acid detergent fiber (ADF_S)	0.30
	Leaf in vitro digestibility of organic matter (IVD_L)	0.18
	Stem in vitro digestibility of organic matter (IVD_S)	0.26
	Leaf cellulose (CEL_L)	0.26
	Stem cellulose (CEL_S)	0.31
	Leaf permanganate lignin (PL_L)	0.18
	Stem permanganate lignin (PL_S)	0.18
	Leaf silica (SIL_L)	0.17
	Stem silica (SIL_S)	0.06