Non-parametric stability analyses of dough properties in wheat

KAYA, Yuksel; SAHIN, Mehmet

doi:10.1590/1678-457X.6642

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Research Paper • Food Sci. Technol (Campinas) 35 (3) • Jul-Sep 2015 • https://doi.org/10.1590/1678-457X.6642 copy

Non-parametric stability analyses of dough properties in wheat

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Literature has unveiled that a paper has not been published yet on using non-parametric stability statistics (NPSSs) for evaluating genotypic stability in dough properties of wheat. Accordingly, the effects of genotype (G), environment (E) and GE interaction (GEI) on alveograph parameters, i.e. dough baking strength (W) and its tenacity (P)/extensibility (L), of 18 wheat (T. aestivum L.) genotypes were studied under irrigated field conditions in an 8-year trial (2006-2014) in central Turkey. Furthermore, genotypic stability for W and P/L was determined using 8 NPSSs viz. RM-Rank mean, RSD-Rank’s standard deviation, RS-Rank Sum, TOP-Ranking, S_i⁽¹⁾, S_i⁽²⁾, S_i⁽³⁾ and S_i⁽⁶⁾ rank statistics. The ANOVA revealed that W and P/L were primarily controlled by E, although G and GEI also had significant effects. Among the 8 NPSSs, only RM, RS and TOP statistics were suitable for detecting the genotypes with high stable and bread making quality (e.g. G1 and G17). In conclusion, using RM, RS and TOP statistics is advisable to select for dough quality in wheat under multi-environment trials (METs).

Keywords:
alveograph; dough; stability; wheat

Code	Genotype	Origin ^† † IWWIP-International Winter Wheat Improvement Program (International Winter Wheat Improvement Program, 2015).	Year of release	W ^‡ ‡ W-Dough baking strength (× 10–4 J), P/L-tenacity (P)/extensibility (L).	P/L
G1	08-09 SEBVD-10	Turkey	Breeding Line	217	0.91
G2	Ahmetaga	Turkey	2005	228	0.72
G3	Bagci-2002	IWWIP	2002	153	0.56
G4	BDME 02-01-S	Turkey	Breeding Line	213	0.84
G5	Bezostaya-1	Russia	1959	202	0.82
G6	Demir-2000	Turkey	2000	137	0.62
G7	Ekiz	IWWIP	2004	100	0.71
G8	Eser	Turkey	2003	107	0.39
G9	Goksu-99	IWWIP	1999	112	0.49
G10	Gun-91	IWWIP	1991	163	0.72
G11	Katya-1	Bulgaria	1982	168	0.42
G12	Kinaci-97	IWWIP	1997	161	0.55
G13	Konya-2002	Turkey	2002	168	0.87
G14	Pehlivan	Turkey	1998	118	0.61
G15	Sonmez-2001	IWWIP	2001	171	0.54
G16	Sultan-95	IWWIP	1995	127	0.41
G17	Tosunbey	Turkey	2004	251	0.74
G18	Krasunya-Odesskaya	Ukraine	1997	237	0.58
	Mean			169	0.64

Code	Environment	Soil characteristics	Precipitation (mm)	Irrigation ^† † Irrigation was made as 50 mm at stem elongation and 50 mm grain filing stages, respectively. (mm)	W ^‡ ‡ W-Dough baking strength (× 10−4 J), P/L-tenacity (P)/extensibility (L).	P/L
E1	2006-2007	pH = 8.3, hydromorphic alluvial	230	50 + 50 = 100	186	0.63
E2	2007-2008	pH = 8.1, hydromorphic alluvial	274	50 + 50 = 100	172	0.52
E3	2008-2009	pH = 8.4, hydromorphic alluvial	232	50 + 50 = 100	189	0.61
E4	2009-2010	pH = 8.0, hydromorphic alluvial	267	50 + 50 = 100	154	0.53
E5	2010-2011	pH = 8.2, hydromorphic alluvial	325	50 + 50 = 100	171	0.80
E6	2011-2012	pH = 8.3, hydromorphic alluvial	258	50 + 50 = 100	156	0.78
E7	2012-2013	pH = 8.1, hydromorphic alluvial	233	50 + 50 = 100	169	0.70
E8	2013-2014	pH = 8.2, hydromorphic alluvial	235	50 + 50 = 100	152	0.74
	Mean		289		169	0.64

		W			P/L
Source	df	SS	MS	(%)	SS	MS	(%)
Environment(E)	7	698,786.54	99,826.65^ Significant at the 0.01 probability level.	58.1	12.34	1.76^ Significant at the 0.01 probability level.	55.6
Replication (E)	24	50,124.79	2,088.53		0.87	0.04
Genotype (G)	17	299,876.23	17,639.78^ Significant at the 0.01 probability level.	24.9	5.88	0.35^ Significant at the 0.01 probability level.	26.5
G × E Interaction	119	203,457.64	1,709.73^ Significant at the 0.01 probability level.	16.9	3.98	0.03^ Significant at the 0.01 probability level.	17.9
Error	408	49,089.45	120.32		0.69	0.01
Total	575	1,301,334.65		100.0	23.76		100.0
CV _(%)		4.51			5.41
Mean		169 × 10⁻⁴ J			0.64

Code	Genotype	W ^† † Symbols: W-Dough baking strength (× 10−4 J), RM-Rank mean, RSD-Rank’s standard deviation (Ketata, 1988), RS-Rank Sum stability statistic (Kang, 1988), TOP-Proportion of environments in which a genotype ranked in the top third (Fox et al. 1990), Si(1), Si(2), Si(3) and Si(6)-Ranks of adjusted W means of genotypes (Huehn, 1996).	RM	RSD	RS	TOP	S_i⁽¹⁾	S_i⁽²⁾	S_i⁽³⁾	S_i⁽⁶⁾
G1	08-09 SEBVD-10	217	4	2.0	8	75.0	3.2	9.5	3.6	2.5
G2	Ahmetaga	228	4	2.2	10	75.0	4.5	15.2	6.9	3.6
G3	Bagci	153	10	3.2	23	12.5	5.1	18.2	5.1	2.1
G4	BDME 02-01-S	213	5	2.6	18	75.0	5.2	20.1	8.6	3.6
G5	Bezostaya-1	202	6	1.8	11	62.5	3.3	9.9	2.9	1.9
G6	Demir-2000	137	12	1.6	14	0.0	3.0	8.2	1.1	0.7
G7	Ekiz	100	15	2.8	28	0.0	6.1^* * Significant at the 0.05 probability level.	22.1^* * Significant at the 0.05 probability level.	1.6	1.1
G8	Eser	107	14	3.3	30	0.0	5.2	17.2	3.4	1.5
G9	Goksu-99	112	14	2.9	25	0.0	4.1	14.5	2.0	1.1
G10	Gun-91	163	9	4.1	26	12.5	4.7	16.2	8.2	2.1
G11	Katya-1	168	17	0.8	21	0.0	3.8	12.3	0.2	0.3
G12	Kinaci-97	161	10	2.4	19	12.5	5.0	12.2	1.8	1.5
G13	Konya-2002	168	10	4.1	26	37.5	6.4^* * Significant at the 0.05 probability level.	25.2^* * Significant at the 0.05 probability level.	9.2	2.8
G14	Pehlivan	118	14	1.5	15	0.0	0.8	5.7	0.5	0.7
G15	Sonmez-2001	171	9	3.7	22	25.0	4.7	11.2	6.2	2.3
G16	Sultan-95	127	13	4.2	29	12.5	5.8	10.2	5.6	2.1
G17	Tosunbey	251	2	1.5	9	100.0	3.5	11.2	5.1	4.3
G18	Krasunya-Odesskaya	237	3	1.7	8	100.0	4.0	12.1	4.6	3.4
	Mean	169	10	2.6	19.0	33.3	4.3	14.0	4.3	2.1

Code	Genotype	P/L ^† † Symbols: P/L-Dough tenacity (P)/extensibility (L), RM-Rank mean, RSD-Rank’s standard deviation (Ketata, 1988), RS-Rank Sum stability statistic (Kang, 1988), TOP-Proportion of environments in which a genotype ranked in the top third (Fox et al., 1990), Si(1), Si(2), Si(3) and Si(6)-Ranks of adjusted P/L means of genotypes (Huehn, 1996).	RM	RSD	RS	TOP	S_i⁽¹⁾	S_i⁽²⁾	S_i⁽³⁾	S_i⁽⁶⁾
G1	08-09 SEBVD-10	0.91	5	2.4	4	100.0	2.6	5.4	3.8	3.5
G2	Ahmetaga	0.72	12	2.3	16	0.0	1.7	2.2	1.2	0.9
G3	Bagci	0.56	12	5.2	16	12.5	3.1	10	5.5	1.9
G4	BDME 02-01-S	0.84	4	1.8	14	75.0	5.2	18.2	5.4	2.9
G5	Bezostaya-1	0.82	6	4.5	19	50.0	5.7	25.1	8.2	4.1
G6	Demir-2000	0.62	11	5.0	20	50.0	6.5^* * Significant at the 0.05 probability level.	31.3^* * Significant at the 0.05 probability level.	16.2	4.8
G7	Ekiz	0.71	7	3.7	19	25.0	4.1	10.2	5.4	2.2
G8	Eser	0.39	16	1.6	19	0.0	1.6	2.3	1.1	0.6
G9	Goksu-99	0.49	13	3.7	22	0.0	3.4	9.8	5.1	1.7
G10	Gun-91	0.72	8	3.3	24	50.0	5.1	20.4	9.1	3.3
G11	Katya-1	0.42	13	4.9	30	0.0	4.3	13.2	5.4	2.1
G12	Kinaci-97	0.55	11	5.3	27	25.0	5.1	21.1	11.2	3.1
G13	Konya-2002	0.87	8	6.5	21	75.0	6.9^* * Significant at the 0.05 probability level.	34.8^* * Significant at the 0.05 probability level.	18.3	5.9
G14	Pehlivan	0.61	6	1.7	14	75.0	4.5	16.2	4.6	3.0
G15	Sonmez-2001	0.54	10	6.1	21	12.5	4.1	12.4	8.7	2.8
G16	Sultan-95	0.41	15	2.5	29	0.0	4.9	21.5	1.6	1.1
G17	Tosunbey	0.74	5	1.7	11	50.0	2.5	4.5	2.3	2.1
G18	Krasunya-Odesskaya	0.58	11	4.7	16	0.0	3.9	9.9	4.7	2.0
	Mean	0.64	10	3.7	19.0	33.3	4.0	14.9	6.5	2.7

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[1] *Corresponding author: yuksel_k@yahoo.com