Analysis of Combining Ability for Early Maturity and Yield in Rice (Genus: Oryza) at the Kenyan Coast

Table 3

General combining ability effects for parents at KALRO, Mtwapa, and Bahari during the long rain season of 2018.

Parents	Yield (t·ha^−1)	50%f	Pht (cm)	Ut	Pnl (cm)	Pwt (g)	Fs	Ufs	Grl (mm)	Grw (mm)	1000 gwt (g)	Ti	Biomass (g)
Dourado Precoce	0.59	−0.67	10.58	−0.15	0.08	0.93	−12.8	−16.65	0.55	0.234	3.97	−0.86	−2
Komboka	1.24	11.83	−0.72	−0.41	0.91	0.21	41.4	−3.05	−0.56	−0.28	−7.03	2.43	46
Supaa	1.79	21.17	17.48	−0.36	−0.25	−0.3	−30.4	14.25	0.37	0.161	−0.53	0.83	132
NERICA 1	−0.15	0.17	−6.62	0.01	0.18	0.48	−1.08	−21.45	−0.06	0.017	−0.03	−0.56	−7
NERICA 2	−0.05	0.33	−2.72	−0.05	−1.69	0.26	0.5	−14.85	0.02	0.043	−2.93	−0.20	−57
NERICA 4	0.052	0.33	−3.72	−0.19	0.36	0.43	11.1435	−16.15	−0.02	0.094	−1.53	−0.94	−31
NERICA 10	0.62	4	−1.42	−0.11	0.91	0.54	20.8	11.65	−0.53	0.103	−3.43	0.025	−63

Significance tested at , significant at . 1000 gwt: 1000 grain weight, 50% f: days to 50% flowering, Grl: grain length, Grw: grain width, Pht: plant height, Pwt: panicle weight, Pnl: panicle length, Ti: total tillers, Fs: fertile spikelets, Ufs: unfertile spikelets, Ut: unproductive tillers, g: grams, cm: centimetres, t·ha⁻¹: tonnes per hectare, and mm: millimetres.