2007
DOI: 10.1093/jxb/erl268
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The outermost cuticle of soybean seeds: chemical composition and function during imbibition

Abstract: Seeds of different cultivars of Glycine max (L.) Merr. (soybean) have strikingly different rates of water imbibition. Seeds that readily imbibe water are termed 'soft', while those that remain non-permeable, even after several days in water, are referred to as 'hard', 'stone', or 'impermeable' seeds. What prevents soybean hard seeds from taking up water? Previous work established that the initial imbibition of soft soybean seeds correlates with the presence of small cracks in the outermost cuticle that covers … Show more

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Cited by 95 publications
(128 citation statements)
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“…4). Deficiency in hydroxylated fatty acids may have altered cuticle layer permeability (14), which is a possible reason for the change in physical dormancy. Changes in some sterols were also observed, but these membrane lipids are not believed to be cutin components.…”
Section: Resultsmentioning
confidence: 99%
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“…4). Deficiency in hydroxylated fatty acids may have altered cuticle layer permeability (14), which is a possible reason for the change in physical dormancy. Changes in some sterols were also observed, but these membrane lipids are not believed to be cutin components.…”
Section: Resultsmentioning
confidence: 99%
“…Typically, wild legumes produce impermeable (hard) seeds, whereas domesticated cultivars tend to produce permeable (soft) seeds, despite a wide range of variation in water imbibition rate (11)(12)(13)(14). Careful scraping of a small outer layer of seed coat (deposits and cuticle) or brief disruption of outer cuticle changed the impermeable seeds to permeable ones (15).…”
mentioning
confidence: 99%
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“…This leads to an increased susceptibility of the seeds to damage like, for example, breaking in half (Shahbazi et al, 2011 a;Dobrzański, Stępniewski, 2013). The moisture content in seeds strongly influences the occurrence of mechanical damage, affecting elasticity and resistance in both cotyledons and the seed coat (Sosnowski, Kuźniar, 1999;Shao et al, 2007;Szwed, Łukaszuk, 2007;Shahbazi et al, 2011 a;. Optimum moisture content at which the mechanical damage of seeds determined in the conditions of dynamic loads was minimum (Sosnowski, Kuźniar, 1999) and germination percentage was maximum (Divsalar, Oskouei, 2011) is 13-15%.…”
Section: Introductionmentioning
confidence: 99%
“…Rapidly hydrating seeds have been shown to possess seed coats containing cuticular waxes with a plasticized structure and altered hydrophobicity (Egerton-Warburton, 1998). It has been documented that well hydrating soybean seeds possessed seed coats with a cuticle lacking mid-chain hydroxylated fatty acids while the cuticle layer of seed coats from impermeable seeds contained a disproportionately high amount of hydroxylated fatty acids (Shao et al, 2007). Zeng et al (2005) hypothesized that the process of creating permeable legume seeds during growing conditions includes both physical and chemical changes in the lipids of the cuticle layer of seed coat.…”
Section: Factors Affecting Water Uptakementioning
confidence: 99%