BioMed Research International

Research Article

Ageing Effects, Generation Means, and Path Coefficient Analyses on High Kernel Elongation in Mahsuri Mutan and Basmati 370 Rice Populations

Table 1

Analysis of variance for grain quality traits from six generations of selected populations.


Source of variance	df	Means square
Source of variance	df	MGL	CGL	MGW	CGW	HKE	PC	LW

Population of cross of MR219 × Mahsuri Mutan
Generations (G)	5	35.82	900.15	9.08	7.96	4.47	4.27	82.41
Ageing (A)	1	13.01	846.25	1.13	15.51	43.26	0.44	0.015 ns
G × A	5	1.95	349.50	3.09	0.47	2.76	9.25	7.39
Error	24	0.104	0.188	0.478	0.595	0.692	0.442	0.151

Population of cross of MR219 × Basmati 370
Generations (G)	5	819.58	3609.35	11.41	10.72	5.05	22.27	397.12
Ageing (A)	1	345.63	4742.85	11.33	87.22	20.27	75.42	165.61
G × A	5	186.65	673.31	3.32	0.76	5.42	39.32	76.34
Error	24	0.198	0.096	0.225	0.709	0.009	0.017	0.485

Significant at ; significant at . ns: nonsignificant difference; MGL: milled grain length; CGL: cooked grain length; MGW: milled grain width; CGW: cooked grain width; HKE: high kernel elongation ratio; PC: proportionate change; LW: length-width ratio. Population size: P₁: 20, P₂: 20, F₁: 60, F₂: 160, BCP₁: 120, and BCP₂: 120 for both populations.