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

Table 13

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

Traits	GM	GV	PV	PCV (%)	GCV (%)	(%)	GA (% mean)
GY	184.6	11689	33270	98.80	58.56	35.13	71.24
PH	141.8	913.65	1741.55	29.43	21.31	52.46	31.52
PW	92.3	743.5	3275.5	62.00	29.54	22.69	28.10
TSW	19.75	5.355	27.54	26.57	11.71	19.44	10.40
MD	0.43	0.02	0.11	78.72	35.08	19.85	30.81

GY: grain yield; PH: plant height; PW: panicle weight; FF: days to 50% flowering; TSW: 1000 seeds weight; MD: midge damage; 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.