The Effect of Seed Coat Color Upon Agronomic and Chemical Characters and Seed Injury in Flax<sup>1</sup>

Culbertson, J. O.; Kommedahl, Thor

doi:10.2134/agronj1956.00021962004800010007x

Cited by 15 publications

(21 citation statements)

References 2 publications

(2 reference statements)

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“…Therefore, greater seed splitting and cracking of yellow seed in this study might be due natural seed splitting. This is opposite to results of other studies, which indicated that yellow seed was more susceptible to seed coat damage from mechanical harvesting (Culbertson and Kommedahl 1956;Culbertson et al 1960).…”

Section: Resultscontrasting

confidence: 99%

“…Averaged over populations, high oil concentration was associated with yellow seed colour, which is in agreement with previous studies in flax (Culbertson and Kommedahl 1956;Culbertson et al 1960;Comstock et al 1963). However, the interaction effect between seed colour and linolenic acid level for oil concentration indicated that yellow seed colour was associated with higher oil concentration only in high linolenic acid seed.…”

Section: Resultssupporting

confidence: 92%

“…The higher seed coat damage of some populations with yellow seed may be the result of a higher potential of yellow seed to natural splitting of the seed coat (Kommedahl et al 1955) and/or a higher susceptibility of yellow seed to seed cracking from mechanical harvesting (Culbertson and Kommedahl 1956;Culbertson et al 1960). Comparing hand-harvested and mechanically harvested seed from populations 1 and 2 in this study showed that mechanical harvesting resulted in a significant (P = 0.01) increase in the amount of seed splitting and cracking, although the total amount of damage was not large; 0.8% for hand-harvested versus 4.6% for mechanically harvested.…”

Section: Resultsmentioning

confidence: 99%

“…Using near-isogenic populations they showed that yellow-seeded lines of flax had lower seed vigour than brown-seeded lines and in one population low linolenic acid (2%) seed had reduced seed vigour compared with high linolenic acid (50%) seed. Culbertson and Kommedahl (1956), Culbertson et al (1960) and Comstock et al (1963) all found that yellow-seeded lines of flax had lower seed yield but higher oil concentration than brown-seeded lines. Reitz et al (1947) had found that the lower seed yield of yellow-seeded flax was associated with lower seed germination and poor stands.…”

mentioning

confidence: 91%

“…Yellow-seeded lines of flax were much more subject to natural splitting of the seed coat (Kommedahl et al 1955) and mechanical cracking (Culbertson and Kommedahl 1956;Culbertson et al 1960) than corresponding brown-seeded lines.…”

mentioning

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Seed colour and linolenic acid effects on agronomic traits in flax

Saeidi¹,

Rowland²

1999

Can. J. Plant Sci.

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Saeidi, G. and Rowland, G. G. 1999. Seed colour and linolenic acid effects on agronomic traits in flax. Can. J. Plant Sci. 79: 521-526. Solin flax (Linum usitatissimum L.) is an edible-oil crop that must have less than 5% linolenic acid in its seed oil and a yellow seed coat. Seed vigour of solin is often lower than that of brown-seeded linseed flax and this lower seed vigour has been associated with both seed colour and linolenic acid levels. To evaluate the agronomic affect of this relationship, paired near-isogenic populations of flax differing in seed coat colour and linolenic acid concentration were selected from different crosses and sown in field trials at the Kernen Crop Research Farm, University of Saskatchewan in 1995 and 1996. Seed with brown seed coat colour had higher field emergence and seed yield than yellow-seeded types. However, emergence differences did not contribute to this seed yield variation. Maturity was not affected by seed colour but yellow seed had greater seed oil concentration and mechanical seed coat damage than brown seed. Low linolenic acid seed (2%), compared with high linolenic seed (50%), had lower field emergence in 1995, were later maturing and had higher seed yield . Linolenic acid concentration had no significant effect on oil concentration and seed damage from mechanical harvesting. Solin types had lower field emergence than industrial oil types. There was no difference for seed yield, oil concentration and seed weight between solin and industrial oil types. Solin seed was slightly later maturing and had greater seed coat damage than industrial seed in some genetic backgrounds.Key words: Seed colour, linolenic acid, emergence, seed damage, flax Saeidi, G. et Rowland, G. G. 1999. Effets de la coloration et de la teneur en acide linolénique de la graine sur les caractères agronomiques du lin. Can. J. Plant Sci. 79: 521-526. Le solin (Linum usitatissimum L.) est un lin dont la graine doit contenir une huile de moins de 5 % d'acide linolénique ainsi que porter un tégument séminal jaune. La vigueur de la semence du solin est souvent inférieure à celle des graines brunes du lin oléagineux ordinaire, défaut que l'on a relié à la fois à la couleur de la graine et au niveau d'acide linolénique. Pour évaluer les conséquences agronomiques de cette association, des populations quasiisogéniques en paires de lin, différant par la coloration du tégument et par la concentration d'acide linolénique dans la graine ont été sélectionnées à partir de divers croisements et semées en essais au champ en 1995 et en 1996 à la Kernen Crop Research Farm de la Saskatchewan. Les graines à tégument brun affichaient un taux de levée et un rendement grainier plus élevés que celles à tégument jaune, le taux de levée n'ayant toutefois pas de lien avec le rendement. Le degré de précocité de maturation n'était pas lié à la coloration de la graine, mais les graines jaunes contenaient plus d'huile et étaient plus sensibles aux endommagements mécaniques du tégument à la récolte. Par rapport aux graines à forte ...

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Section: Resultscontrasting

confidence: 99%

Section: Resultssupporting

confidence: 92%

Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 91%

mentioning

confidence: 99%

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Seed colour and linolenic acid effects on agronomic traits in flax

Saeidi¹,

Rowland²

1999

Can. J. Plant Sci.

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Flax seed and flower color inheritance is more complicated than once thought

et al. 2023

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Flower and seed color are two characteristics of flax (Linum usitatissimum L.) where the mode of inheritance can be obscured by different genetic backgrounds. In this study, eight genetically diverse genotypes of flax with pairwise contrasting seed and flower colors were carefully selected from a large diversity panel and crossed in all directions (56 crosses). The mode of inheritance of seed and flower color was studied in F1, F2, and F3 generations during 2017–2020. Segregation patterns in F1 and F2 generations indicated that seed color is primarily determined by maternal genotype, but parents’ genetic constitution finally defines character expression. Segregation analysis in the F3 generation indicated that seed color is governed by three loci designated as G, D, and Y1. Brown seed color was produced by the recessive allele of the Y1 locus and dominant alleles of the G and D loci (GGDDy1y1). The yellow seed color was attributed to the homozygous condition of two recessive genes and one dominant gene (ggDDy1y1 and GGddy1y1) or the homozygous condition of three dominant genes (GGDDY1Y1). Flower color was found to be controlled by three loci assigned as B1, B2, and C′, independent of the ones for seed color. The blue flower is governed by dominant alleles at all three loci, while homozygous recessive at any of the three loci will result in a white flower. Segregating ratios of 3:1, 9:7, 13:3, and 27:37 blue to white flowers suggested different epistatic interactions between these loci, including duplicate‐recessive and dominant‐recessive states.

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Inheritance of seed, flower, and anther colors and their linkage in diverse flax (Linum usitatissimum L.) genotypes

Hoque,

Shaikh,

Rahman

2024

Crop Science

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Breeders need to mine the underlying genes of target traits for their improvement before the inception of the breeding program. We conducted this research to decipher the number of genes along with their interactions and linkage for seed color, flower color, and anther color, and to show the reflection of genetic divergence on phenotypic variations in segregating populations by crossing diverse flax (Linum usitatissimum L.) genotypes. Seed color showed maternal effect and appeared to be controlled by two and three independent genes having dominant, duplicate, and dominant epistatic interactions varying according to cross combinations. The flower and anther color were controlled by one and two independent genes showing dominant and duplicate interactions. We observed a strong genetic linkage among seed, flower, and anther color genes. We also found that the incorporation of diverse parents in crossing resulted in more phenotypic variation, which included new phenotypic classes other than parents in the segregating population for seed color. This research will facilitate indirect selection and help in developing markers for marker‐assisted selection in flax breeding program.

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The Effect of Seed Coat Color Upon Agronomic and Chemical Characters and Seed Injury in Flax¹

Cited by 15 publications

References 2 publications

Seed colour and linolenic acid effects on agronomic traits in flax

Seed colour and linolenic acid effects on agronomic traits in flax

Flax seed and flower color inheritance is more complicated than once thought

Inheritance of seed, flower, and anther colors and their linkage in diverse flax (Linum usitatissimum L.) genotypes

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The Effect of Seed Coat Color Upon Agronomic and Chemical Characters and Seed Injury in Flax1

Cited by 15 publications

References 2 publications

Seed colour and linolenic acid effects on agronomic traits in flax

Seed colour and linolenic acid effects on agronomic traits in flax

Flax seed and flower color inheritance is more complicated than once thought

Inheritance of seed, flower, and anther colors and their linkage in diverse flax (Linum usitatissimum L.) genotypes

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The Effect of Seed Coat Color Upon Agronomic and Chemical Characters and Seed Injury in Flax¹