Green soybean seeds: effect on physiological quality

Teixeira, Sheila Bigolin; Silva, Joseano Graciliano da; Meneguzzo, Michele Renata Revers; Martins, Andrea Bicca Noguez; Meneghello, Geri Eduardo; Tunes, Lilian Vanussa Madruga de

doi:10.1590/0103-8478cr20180631

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CROP PRODUCTION • Cienc. Rural 50 (2) • 2020 • https://doi.org/10.1590/0103-8478cr20180631 copy

Green soybean seeds: effect on physiological quality

Sementes de soja esverdeada: efeito na qualidade fisiológica

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT:

The objective of this research was to assess the manner in which the presence of green soybean seeds affects their physiological quality. In this study, six lots of soybean seeds of cultivar 5958RSF IPRO with 0, 0, 7, 8, 16 and 18% of green seeds were examined. The tests done included the first germination count, germination, electrical conductivity, field emergence, accelerated aging, emergence speed index, Tetrazolium, length, dry mass and seedling growth curve. Results were tested employing the normality test and analysis of variance, and the means were compared by the Tukey test at 5% probability level, employing the Rbio statistical program. Growth data were analyzed by the nonlinear regression analytical method, using the SigmaPlot 12.0 software. The viability and vigor of the greenish seeds were confirmed to reveal higher deterioration, proportional to the percentage of seeds in which the cotyledons had green pigmentation, indicating that the presence of chlorophyll caused the physiological quality of the soybean seeds to decrease.

Key words:
abiotic stress; decay; seedling growth; Glycine max

Authorship

Sheila Bigolin Teixeira

Programa de Pós-graduação em Ciência e Tecnologia de Sementes, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas (UFPel), 96160-000, Pelotas, RS, Brasil. Universidade Federal de Pelotas (UFPel)BrazilPelotas, RS, BrazilPrograma de Pós-graduação em Ciência e Tecnologia de Sementes, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas (UFPel), 96160-000, Pelotas, RS, Brasil.

https://orcid.org/0000-0002-2917-4915

Joseano Graciliano da Silva ^*E-mail: joseano_agronomo@outlook.com. *Corresponding author.

https://orcid.org/0000-0002-8144-4329

Michele Renata Revers Meneguzzo

Programa de Pós-graduação em Agronomia, Universidade de Passo Fundo (UPF), Erechim, RS, Brasil.Universidade de Passo Fundo (UPF)BrazilErechim, RS, BrazilPrograma de Pós-graduação em Agronomia, Universidade de Passo Fundo (UPF), Erechim, RS, Brasil.

https://orcid.org/0000-0002-9949-0219

Andrea Bicca Noguez Martins

https://orcid.org/0000-0001-5480-5208

Geri Eduardo Meneghello

https://orcid.org/0000-0002-6215-0966

Lilian Vanussa Madruga de Tunes

https://orcid.org/0000-0001-7562-1926

E-mail: joseano_agronomo@outlook.com. ^*Corresponding author.

DECLARATION OF CONFLICT OF INTERESTS

The authors declare no conflict of interest. The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results.

AUTHORS’ CONTRIBUTIONS

All authors contributed equally for the conception and writing of the manuscript. All authors critically revised the manuscript and approved of the final version.

SCIMAGO INSTITUTIONS RANKINGS

Figures | Tables

Figures (1)
Tables (2)

Thumbnail

Figure 1
Seedling growth curve, evaluated every 12 h, through total seedling length (A), shoot length (B) and root length (C), drawn from sowing six soybean seed lots, having greenish seeds, in Pelotas - RS, UFPel, 2019. Lots 1 to 6 represent 0, 0, 7, 8, 16, and 18% respectively, of greenish colored soybean seeds.

Thumbnail

Table 1
Summary of the analysis of variance for the variables of electrical conductivity (EC), first germination count (PCG), germination (G), emergency speed index (IVE), field emergency (EC), total length (CT), shoot length (CPA), shoot dry mass (MSPA), root length (CPR), root dry mass (MSR), vigor, viability (FEASIBILITY), moisture damage (DU 4 -5 and 6-8) in soybean seedlings. Pelotas - RS, UFPel, 2019.

Thumbnail

Table 2
Average values are listed for the variables of germination percentage (G), first germination count (PCG), electrical conductivity (CE), accelerated aging (EA), emergency speed index (IVE) and field emergency (EC), of six soybean seed lots having greenish hued seeds. Feasibility, vigor, moisture deterioration in classes 4-5 and 6-8. Total seedling length (TC), root length (CR), part dry mass (MSPA) and root (MSR) in six soybean seed lots having green seeds, in Pelotas - RS, UFPel, 2019.

Figure 1 Seedling growth curve, evaluated every 12 h, through total seedling length (A), shoot length (B) and root length (C), drawn from sowing six soybean seed lots, having greenish seeds, in Pelotas - RS, UFPel, 2019. Lots 1 to 6 represent 0, 0, 7, 8, 16, and 18% respectively, of greenish colored soybean seeds.

Table 1 Summary of the analysis of variance for the variables of electrical conductivity (EC), first germination count (PCG), germination (G), emergency speed index (IVE), field emergency (EC), total length (CT), shoot length (CPA), shoot dry mass (MSPA), root length (CPR), root dry mass (MSR), vigor, viability (FEASIBILITY), moisture damage (DU 4 -5 and 6-8) in soybean seedlings. Pelotas - RS, UFPel, 2019.

Variables	QMLots	QMError	Average	CV%
G	301.17 ^**	9.42	88.00	3.50
PCG	379.70 ^**	10.56	85.00	3.81
EA	277.37^**	32.72	67.00	8.55
CE	543.87 ^**	5.52	70.55	3.33
EC	200.00 ^**	33.89	78.00	7.42
IVE	12.04 ^**	0.71	12.72	6.64
VIGOR	354.24 ^**	7.87	71.29	3.94
FEASIBILITY	106.90 ^**	3.05	88.17	1.98
DU 4-5	94.87 ^**	6.28	13.67	18.33
DU 6-8	75.90 ^**	2.83	9.25	18.2
CT	48.59 ^**	1.80	31.42	4.27
CPA	2.33 ns	0.87	12.13	7.70
CR	33.55 ^**	1.18	19.29	5.64
MSPA	0.02 ^**	0.004	119.79	5.47
MSR	0.002 ^**	0.0003	18.06	9.69
GL	5	18	-	-

^**Significant at 1% (P<0.01); ^*significant at 5% (P<0.05); ns = not significant at 5% probability (P<0.05) by Tukey test. QM = mean square; GL = degree of freedom; CV = coefficient of variation.

Table 2 Average values are listed for the variables of germination percentage (G), first germination count (PCG), electrical conductivity (CE), accelerated aging (EA), emergency speed index (IVE) and field emergency (EC), of six soybean seed lots having greenish hued seeds. Feasibility, vigor, moisture deterioration in classes 4-5 and 6-8. Total seedling length (TC), root length (CR), part dry mass (MSPA) and root (MSR) in six soybean seed lots having green seeds, in Pelotas - RS, UFPel, 2019.

Variables	---------------------------------------------------------------- Lots ------------------------------------------------------------
	1	2	3	4	5	6
G (%)	96 a^*	95 ab	89 bc	88 c	86 c	72 d
PCG (%)	94 a	93 a	88 ab	85 b	85 b	67 c
EA (%)	73 a	78 a	67 a	67 a	65 ab	53 b
CE (μS cm^-1 g^-1)	55,.3 d	71.9 b	64.5 c	75.6 b	66.3 c	89.6 a
EC (%)	86 a	87 a	79 ab	71 b	78 ab	71 b
IVE	15.1 a	14.2 ab	13.1 bc	11.1 d	11.9 cd	10.9 d
Feasibility (%)	94 a	94 a	88 b	88 b	82 c	83 c
Vigor (%)	85 a	80 a	71 b	67 bc	64 c	61 c
DU 4-5 (%)	6 d	10 cd	14 bc	16 abc	16 ab	20 a
DU 6-8 (%)	4 c	5 c	8 bc	10 b	14 a	14 a
TC (cm)	36.3 a	32.6 b	33.5 ab	29.2 cd	30.6 bc	26.4 d
CR	23.5 a	20.0 b	20.8 b	16.8 cd	19.2 bc	15.4 d
MSPA (mg)	130.2 a	129.6 ab	117.7 abc	115.0 bc	114.1 c	112.2 c
MSR (mg)	20.9 a	17.1 abc	19.9 a	15.9 bc	19.3 ab	15.2 c

^* Means followed by the same letter on the line do not differ statistically from each other at 5% probability of error by the Tukey test. Lots 1 to 6 represent 0, 0, 7, 8, 16, and 18% respectively, of greenish-colored seeds.

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Green soybean seeds: effect on physiological quality

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[1] E-mail: joseano_agronomo@outlook.com. ^*Corresponding author.