Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum Midge

Table 12

Genetic variation for resistance to midge, yield, and yield contributing characters in the first planting date at Maradi.

Traits	GM	GV	PV	PCV (%)	GCV (%)	(%)	GA (% mean)
GY	366.4	16118.5	55315.5	64.26	34.65	29.13	38.34
PH	184.3	1206.8	2047	24.54	18.84	58.95	29.33
PW	137.9	854	2604	37.00	21.19	32.79	24.39
FF	67.34	33.18	52.04	10.71	8.55	63.75	13.90
TSW	20.47	4.43	18.55	21.04	10.28	23.88	9.96

GY: grain yield; PH: plant height; PW: panicle weight; FF: days to 50% flowering; TSW: 1000 seeds weight; GM: grand mean; GV: genotypic variance; PV: phenotypic variance; GCV: genotypic coefficient of variance; PCV: phenotypic coefficient of variance; : broad sense heritability; GA: genetic advance as a percentage of mean.