Seed Coat and Water Absorption Properties of Seed of Near-isogenic Snap Bean Lines Differing in Seed Coat Color1

Wyatt, J. E.

doi:10.21273/jashs.102.4.478

Cited by 29 publications

(5 citation statements)

References 5 publications

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“…All seed samples failed to show any wa ter uptake through the seed coat for the first 8 hr. This is in contrast to seed coat water absorption data reported by Wyatt (11). However, by 24 hr of seed soaking a Fig.…”

Section: Seed Hardness Causes Reduced or De Layed Germination Of Bean...contrasting

confidence: 67%

“…Wyatt (11) suggestd that slower ab sorption of water by colored seeds may permit more uniform swelling of the coty ledons, and thus reducing seed coat and/ or cotyledon cracking. The imbibition studies reported here indicated a rapid rate of water uptake by 'Pinto UI 111' which was found by us to be highly resist ant to seed coat cracking (2).…”

Section: Seed Hardness Causes Reduced or De Layed Germination Of Bean...mentioning

confidence: 99%

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Rate of Water Uptake and Sites of Water Entry in Seeds of Different Cultivars of Dry Bean1

Korban

Coyne

Weihing

1981

horts

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Variations occurred in the rate of water uptake of seeds of different dry bean cultivars (Phaseolus vulgaris L). ‘Pinto UI11’ had a higher water uptake by 24 hours than the other 6 cultivars. The micropyle was the main site for water entry in white-seeded ‘Great Northern’ and it is inferred that the raphe and or hilum areas were mainly involved in water uptake in ‘Pinto UI11’. No water uptake through the seed coat of seeds of 7 cultivars occurred by 2, 4, or 8 hours and only a small amount by 24 hours, except ‘GN Star’ where no water uptake was noted indicating that it had an impermeable seed coat during that period.

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Section: Seed Hardness Causes Reduced or De Layed Germination Of Bean...contrasting

confidence: 67%

Section: Seed Hardness Causes Reduced or De Layed Germination Of Bean...mentioning

confidence: 99%

Rate of Water Uptake and Sites of Water Entry in Seeds of Different Cultivars of Dry Bean1

Korban

Coyne

Weihing

1981

horts

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“…Both the composition and structure of the seed coat have been reported to influence dormancy [ 16 , 17 , 18 ]. Importantly, pigmentation of the seed coat correlates, to a certain extent, with water uptake during germination, with pigmented seeds imbibing slower and germinating later than non-pigmented seeds [ 19 , 20 , 21 , 22 ]. This has also been shown in legumes, including peas [ 20 , 23 ], common beans [ 24 , 25 ], faba beans [ 26 ], soybeans [ 27 ], and chickpeas [ 28 ].…”

Section: Introductionmentioning

confidence: 99%

Phenylpropanoid Content of Chickpea Seed Coats in Relation to Seed Dormancy

Sedláková

Zeljković

Štefelová³

et al. 2023

Plants

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The physical dormancy of seeds is likely to be mediated by the chemical composition and the thickness of the seed coat. Here, we investigate the link between the content of phenylpropanoids (i.e., phenolics and flavonoids) present in the chickpea seed coat and dormancy. The relationship between selected phenolic and flavonoid metabolites of chickpea seed coats and dormancy level was assessed using wild and cultivated chickpea parental genotypes and a derived population of recombinant inbred lines (RILs). The selected phenolic and flavonoid metabolites were analyzed via the LC-MS/MS method. Significant differences in the concentration of certain phenolic acids were found among cultivated (Cicer arietinum, ICC4958) and wild chickpea (Cicer reticulatum, PI489777) parental genotypes. These differences were observed in the contents of gallic, caffeic, vanillic, syringic, p-coumaric, salicylic, and sinapic acids, as well as salicylic acid-2-O-β-d-glucoside and coniferaldehyde. Additionally, significant differences were observed in the flavonoids myricetin, quercetin, luteolin, naringenin, kaempferol, isoorientin, orientin, and isovitexin. When comparing non-dormant and dormant RILs, significant differences were observed in gallic, 3-hydroxybenzoic, syringic, and sinapic acids, as well as the flavonoids quercitrin, quercetin, naringenin, kaempferol, and morin. Phenolic acids were generally more highly concentrated in the wild parental genotype and dormant RILs. We compared the phenylpropanoid content of chickpea seed coats with related legumes, such as pea, lentil, and faba bean. This information could be useful in chickpea breeding programs to reduce dormancy.

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“…In some seeds, dormancy is known as coat imposed, and dormancy can be removed or reduced by simple removal of or damage to the seed coat. In various species the seed coat has been shown to restrict germination by regulating permeability to either water [ 87 , 88 ], oxygen [ 89 ], or germination inhibitors that leach from the seed coat into the embryo [ 90 ]. It has been reported that aromatic amines, and amino acids reduced the thickness and increased seed tegument porosity which helped in water imbibition and boost seed germination rate [ 91 ].…”

Section: Discussionmentioning

confidence: 99%

Comparative Metabolomics Profiling Reveals Key Metabolites and Associated Pathways Regulating Tuber Dormancy in White Yam (Dioscorea rotundata Poir.)

et al. 2023

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Yams are economic and medicinal crops with a long growth cycle, spanning between 9–11 months due to their prolonged tuber dormancy. Tuber dormancy has constituted a major constraint in yam production and genetic improvement. In this study, we performed non-targeted comparative metabolomic profiling of tubers of two white yam genotypes, (Obiaoturugo and TDr1100873), to identify metabolites and associated pathways that regulate yam tuber dormancy using gas chromatography–mass spectrometry (GC–MS). Yam tubers were sampled between 42 days after physiological maturity (DAPM) till tuber sprouting. The sampling points include 42-DAPM, 56-DAPM, 87DAPM, 101-DAPM, 115-DAPM, and 143-DAPM. A total of 949 metabolites were annotated, 559 in TDr1100873 and 390 in Obiaoturugo. A total of 39 differentially accumulated metabolites (DAMs) were identified across the studied tuber dormancy stages in the two genotypes. A total of 27 DAMs were conserved between the two genotypes, whereas 5 DAMs were unique in the tubers of TDr1100873 and 7 DAMs were in the tubers of Obiaoturugo. The differentially accumulated metabolites (DAMs) spread across 14 major functional chemical groups. Amines and biogenic polyamines, amino acids and derivatives, alcohols, flavonoids, alkaloids, phenols, esters, coumarins, and phytohormone positively regulated yam tuber dormancy induction and maintenance, whereas fatty acids, lipids, nucleotides, carboxylic acids, sugars, terpenoids, benzoquinones, and benzene derivatives positively regulated dormancy breaking and sprouting in tubers of both yam genotypes. Metabolite set enrichment analysis (MSEA) revealed that 12 metabolisms were significantly enriched during yam tuber dormancy stages. Metabolic pathway topology analysis further revealed that six metabolic pathways (linoleic acid metabolic pathway, phenylalanine metabolic pathway, galactose metabolic pathway, starch and sucrose metabolic pathway, alanine-aspartate-glutamine metabolic pathways, and purine metabolic pathway) exerted significant impact on yam tuber dormancy regulation. This result provides vital insights into molecular mechanisms regulating yam tuber dormancy.

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Seed Coat and Water Absorption Properties of Seed of Near-isogenic Snap Bean Lines Differing in Seed Coat Color1

Cited by 29 publications

References 5 publications

Rate of Water Uptake and Sites of Water Entry in Seeds of Different Cultivars of Dry Bean1

Rate of Water Uptake and Sites of Water Entry in Seeds of Different Cultivars of Dry Bean1

Phenylpropanoid Content of Chickpea Seed Coats in Relation to Seed Dormancy

Comparative Metabolomics Profiling Reveals Key Metabolites and Associated Pathways Regulating Tuber Dormancy in White Yam (Dioscorea rotundata Poir.)

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