BMC Plant Biology

Table 1 Genetic parameters estimated for biochemical features and grain yield of triticale plants across six years of study

From: Superoxide dismutase (SOD) as a selection criterion for triticale grain yield under drought stress: a comprehensive study on genomics and expression profiling, bioinformatics, heritability, and phenotypic variability

Normal irrigation
	^aH₂O₂	MDH	TChl	Car	Prtn	PRL	POD	CAT	APX	GR	SOD	Yld
genotypic variance	0.05	0.70	2.10	0.83	0.31	1.20	1.03	0.04	21.87	0.70	1.64	41.16
environmental variance	0.20	1.01	5.84	0.51	4.22	5.02	2.90	0.45	19.18	0.73	4.05	173.9
phenotypic variance	0.25	1.71	7.94	1.34	4.53	6.22	3.93	0.49	41.06	1.43	5.69	215.1
heritability	21.8	40.8	26.4	61.9	6.81	19.3	26.1	8.89	53.28	48.7	28.8	19.14
PCV	7.51	42.1	43.8	25.7	31.2	69.8	29.7	23.8	33.43	54.6	47.5	28.99
GCV	1.64	17.2	11.5	15.9	2.12	13.5	7.75	2.12	17.81	26.6	13.7	5.550
mean	3.33	4.05	18.1	5.19	14.5	8.91	13.2	2.07	122.8	2.61	12.0	741.1
Drought stress
	H₂O₂	MDH	TChl	Car	Prtn	PRL	POD	CAT	APX	GR	SOD	Yld
genotypic variance	0.27	0.95	6.06	2.05	0.77	6.850	13.42	0.52	38.55	0.93	20.06	47.06
Environmental variance	4.56	3.76	5.26	1.05	17.7	6.780	20.68	1.59	115.3	1.73	12.85	74.83
phenotypic variance	4.83	4.71	11.3	3.10	18.5	13.63	34.10	2.11	153.9	2.66	32.91	121.9
heritability	5.56	20.1	53.5	56.1	4.15	50.25	39.35	24.7	25.05	34.8	60.96	38.61
PCV	62.8	33.6	85.9	51.2	52.8	71.06	78.38	33.6	91.34	39.4	76.16	39.96
GCV	3.49	6.76	46.0	33.9	2.19	35.71	30.85	8.31	22.88	13.7	46.43	15.43
mean	7.69	14.1	13.2	6.06	35.0	19.18	43.51	6.28	168.5	6.75	43.21	305.1

^a Hydrogen peroxide: H₂O₂, malondialdehyde: MDH, total chlorophyll: TChl, carotenoid: Car, total protein: Prtn, free proline: PRL, peroxidase: POD, catalase: CAT, ascorbic peroxidase: APX, glutathione reductase: GR, superoxide dismutase: SOD, and grain yield: Yld, phenotypic coefficient of variation: PCV, genotypic coefficient of variation: GCV

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ISSN: 1471-2229

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