The Scientific World Journal

Research Article

Genetic Variability and Selection Criteria in Rice Mutant Lines as Revealed by Quantitative Traits

Table 4

Mean squares of morphological traits, yield and yield component of the rice accession.


S.O.V.	Df	PH, cm	FLWR, cm	NT, (no.)	DF, days	DM, days	NP/H, (no.)	PL, (cm)	TNG/P, (no.)	TGW/H, (g)	100 GW, (g)	SL, (mm)	SLWR, (mm)	Y/ha, (t/ha)

Reps/Site (R/S)	4	968.4	581.0	32.	84.4	80.9	51.	3.5	2803.7	67.2	0.0	0.42	0.23	1
Genotypes (G)	44	955.6	393.1	32.9	265.7	344.2	23.	10.	2889.	154.9	0.1	2.6	0.2	5.
Sites (S)	1	43.2	413.2	216.	482.	229.	604	580.	125539.	290.1	0.001	0.001	31.6	2.5
G × S	44	0.01	6.19	16.3	52.	30.3	14.	2.9	867.4	0.3	0.001	0.001	0.8	0.4
Error	176	36.17	11.84	3.34	7.66	9.87	5.8	1.5	459.4	70.6	0.001	0.15	0.06	1.6

Mean		88.44	39.83	17.65	70	109	16.73	24.33	151	30.79	2.5	7.49	2.19	4.93
GV		306.48	127.11	9.87	86.04	111.45	5.8	3.07	810.17	28.1	0.06	0.83	0.05	1.23
PV		342.65	138.95	13.21	93.7	121.32	11.6	4.57	1269.57	98.7	0.06	0.98	0.11	2.83
PCV (%)		20.93 (h)	29.59 (h)	20.59 (h)	13.76 (m)	10.08 (m)	20.36 (h)	8.78 (l)	23.6 (h)	32.27 (h)	9.58 (l)	13.22 (m)	15.14 (m)	34.14 (h)
GCV (%)		19.79 (m)	28.31 (h)	17.8 (m)	13.18 (m)	9.66 (l)	14.4 (m)	7.2 (l)	18.85 (m)	17.22 (m)	9.49 (l)	12.16 (m)	10.21 (m)	22.53 (h)
(%)		89 (h)	91 (h)	75 (h)	92 (h)	92 (h)	50 (m)	67 (h)	64 (h)	28 (l)	98 (h)	85 (h)	45 (m)	44 (m)
GA (%)		38.57	55.77	31.69	26.02	19.07	20.97	12.15	31.02	18.92	19.39	23.06	14.18	30.62

Significant at 0.05 probability level, highly significant at 0.01 probability level, S.O.V: source of variation, df: degree of freedom, PH: plant height; FLR: flag leaf length to width ratio; NT: number of tillers per hill; DF: days to flowering; DM: days to maturity; NP/H: number of panicles per hill; PL: panicle length; NPB/P: number of primary braches per panicle; TNG/P: total number of grain per panicle; NUFG/P: number of unfilled grain per panicle; TGW/H: total grain weight per hill; 100 GW: one hundred grain weight; SL: seed length; SLWR: seed length to width ratio; Y/ha: yield in t/ha. GV: genotypic variance, PV: phenotypic variance, PCV: phenotypic coefficient of variation, GCV: genotypic coefficient of variation, : broad sense heritability, GA: genetic advance (as percentage of mean), significant at 0.05 level, and highly significant at 0.01 level. (h: high, m: moderate, l: low).