Deterioration mechanisms in air-dry pea seeds during early aging

Veselova, T. V.; Veselovsky, Vladimir A.; Obroucheva, N. V.

doi:10.1016/j.plaphy.2014.12.019

Cited by 25 publications

(23 citation statements)

References 24 publications

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“…3 , Table S2 and Fig. 2 ), which could be suggested that the intracellular redistribution of water 3 , damaged of embryo cell ultrasytucture 5 , shifts in cellular pH and redox state 7 involved in natrual aging were relatively repaired by the effects of US priming treatment.…”

Section: Discussionmentioning

confidence: 94%

“…However, during storage, seeds ageing or deterioration, can significantly leads to a loss of gene diversity, failure to emerge, abnormalities in seedlings, and the eventual reduction of establishment in the field 1 .Studies has showed that the ageing of seeds is associated with serious alterations in the cellular metabolism and biochemistry, including inactivation of enzymes, peroxidation of lipids, disruption of membrane integrity, and damage to Deoxyribonucleic Acid (DNA) 2 . Although the exact mechanisms that cause the ageing of seeds remain elusive, the accumulation of Reactive Oxygen Species (ROS) is considered to be one of the primary causes of seed deterioration 3 .…”

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confidence: 99%

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Effects of ultrasonication on increased germination and improved seedling growth of aged grass seeds of tall fescue and Russian wildrye

Liu

Wang

Karagić

et al. 2016

Sci Rep

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The effects of ultrasonic treatments on the germination and seedling growth of aged tall fescue (Festuca arundinacea) and Russian wild rye (Psathyrostaehys juncea Nevski) seeds were determined using orthogonal matrix experimental design with four ultrasonic factors. The multivariate analysis of variance detected significant differences and coupling effects of the pair-wise factors. The activities of Superoxide Dismutase (SOD) and Peroxidase (POD) and the Malondialdehyde (MDA) content were affected. The ultrasonic treatments had positive effects on the germination percentage (GP) of the aged seeds and the growth of the seedlings (GS) and therefore we provided a basic evidence for the application of ultrasonic treatment to pretreat aged grass seeds. For the four ultrasonic factors, the optimal conditions were a sonication time of 36.7 min, a sonication temperature of 35 °C, an output power of 367 W and a seed soaking time 4.1 h after binary quadratic regressions analyses. The ultrasonic treatment has the potential to improve seedling growth. Moreover, the longevity of the tall fescue and the Russian wild rye seeds was approximately 9.5 and 11.5 years, respectively, under natural conditions of storage. The physiological mechanisms that might contribute to the improved GP and GS were discussed.

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Section: Discussionmentioning

confidence: 94%

mentioning

confidence: 99%

Effects of ultrasonication on increased germination and improved seedling growth of aged grass seeds of tall fescue and Russian wildrye

Liu

Wang

Karagić

et al. 2016

Sci Rep

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“…Carbohydrate degradation, accompanied by the accumulation of simple sugars, has been linked to poor germination influenced by stress and seed aging [96, 97]. Glucose utilization has been suggested as a biomarker for seed vigor, as its levels were found to be sensitive and to precede any visible growth change in response to seed aging [98].…”

Section: Discussionmentioning

confidence: 99%

Environmental and genetic effects on tomato seed metabolic balance and its association with germination vigor

et al. 2016

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BackgroundThe metabolite content of a seed and its ability to germinate are determined by genetic makeup and environmental effects during development. The interaction between genetics, environment and seed metabolism and germination was studied in 72 tomato homozygous introgression lines (IL) derived from Solanum pennelli and S. esculentum M82 cultivar. Plants were grown in the field under saline and fresh water irrigation during two consecutive seasons, and collected seeds were subjected to morphological analysis, gas chromatograph-mass spectrometry (GC-MS) metabolic profiling and germination tests.ResultsSeed weight was under tight genetic regulation, but it was not related to germination vigor. Salinity significantly reduced seed number but had little influence on seed metabolites, affecting only 1% of the statistical comparisons. The metabolites negatively correlated to germination were simple sugars and most amino acids, while positive correlations were found for several organic acids and the N metabolites urea and dopamine. Germination tests identified putative loci for improved germination as compared to M82 and in response to salinity, which were also characterized by defined metabolic changes in the seed.ConclusionsAn integrative analysis of the metabolite and germination data revealed metabolite levels unambiguously associated with germination percentage and rate, mostly conserved in the different tested seed development environments. Such consistent relations suggest the potential for developing a method of germination vigor prediction by metabolic profiling, as well as add to our understanding of the importance of primary metabolic processes in germination.Electronic supplementary materialThe online version of this article (doi:10.1186/s12864-016-3376-9) contains supplementary material, which is available to authorized users.

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“…In this research, the water absorption by diaspores and seeds, and the initial gain in mass were relatively fast with an increase of approximately 4.8% in T1, 7.8% in T2, 8.3% in T3 and 6.7 in T4, after two hours from the beginning of the test (Figure 1 (Veselova et al, 2015).…”

Section: Resultsmentioning

confidence: 56%

Morphological characterization and germination of Syagrus schizophylla (Mart.) Glass. (ARECACEAE)

Beltrame¹,

Jasmim²,

Vieira³

2019

Com. Sci.

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Article AbstractThe interest in Syagrus schizophylla as an ornamental palm tree and the demand for conservation and preservation of the species led to this research. The objective was to study the physiological characteristics of its germination at different temperatures, as well as the morphological and biometrical characterization of diaspores and seedlings at the initial stages of growth and development. The research was divided into two experiments. In the first one, the aim was to identify the water absorption phases of seeds during germination under five scarification treatments as follows: intact diaspores, scarified diaspores, diaspores with endocarp rupture and intact seeds. In the second experiment, germination was tested at 25, 30 e 25 -35 ºC; the first germination count, seedling emergence, abnormal seedlings, non-germinated seeds, the emergence curve, the emergence speed index and the mean time of emergence were evaluated. Afterwards, the morphological and biometrical characteristics of diaspores and seedlings were described. The water absorption curve observed under the different scarification treatments showed different water absorption patterns. Emergence percentages were 53, 61 and 47% at 25, 30 and 25 -35 ºC, respectively. The highest emergence speed index was obtained at 30 ºC. The mean time of emergence was 30 days, approximately, under all the temperatures tested. The diaspores showed a great variability in both shape and size, presenting a globular to ovoid shape with an average length of 2.44 cm and an average width of 1.39 cm. The germination can be classified as hypogeal crypto cotyledonal of the remote-tubular type.

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Deterioration mechanisms in air-dry pea seeds during early aging

Cited by 25 publications

References 24 publications

Effects of ultrasonication on increased germination and improved seedling growth of aged grass seeds of tall fescue and Russian wildrye

Effects of ultrasonication on increased germination and improved seedling growth of aged grass seeds of tall fescue and Russian wildrye

Environmental and genetic effects on tomato seed metabolic balance and its association with germination vigor

Morphological characterization and germination of Syagrus schizophylla (Mart.) Glass. (ARECACEAE)

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