Regulation of Seed Dormancy and Germination Mechanisms in a Changing Environment

International Journal of Molecular Sciences, Journal Year: 2021, Volume and Issue: 22(3), P. 1357 - 1357

Published: Jan. 29, 2021

Environmental conditions are the basis of plant reproduction and critical factors controlling seed dormancy germination. Global climate change is currently affecting environmental changing plants from seeds. Disturbances in germination will cause disturbances diversity communities. Models developed for scenarios show that some species face a significant decrease suitable habitat area. Dormancy an adaptive mechanism affects probability survival species. The ability seeds many to survive until recedes meet requirements strategy can act as buffer against negative effects heterogeneity. influence temperature humidity on status underlines need understand how affect patterns. Knowledge these processes important understanding evolution adaptation changes habitat. network genes under not fully characterized. Integrating research techniques different disciplines biology could aid mechanisms Transcriptomics, proteomics, epigenetics, other fields provide researchers with new opportunities life. This paper focuses presenting various environments, emphasis their prospective roles climate.

Language: Английский

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Review: Plant eco-evolutionary responses to climate change: Emerging directions

Plant Science, Journal Year: 2020, Volume and Issue: 304, P. 110737 - 110737

Published: Nov. 5, 2020

Language: Английский

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Increasing temperatures negatively affect seed hydration memory during the germination of two cactus species under water deficit condition

Plant Ecology, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 3, 2025

Language: Английский

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Sdr4 dominates pre‐harvest sprouting and facilitates adaptation to local climatic condition in Asian cultivated rice

Journal of Integrative Plant Biology, Journal Year: 2022, Volume and Issue: 64(6), P. 1246 - 1263

Published: April 20, 2022

Pre-harvest sprouting (PHS), which reduces grain yield and quality, is controlled by seed dormancy genes. Because few dormancy-related genes have been cloned, the genetic basis of in rice (Oryza sativa L.) remains unclear. Here, we performed a genome-wide association study linkage mapping to dissect rice. Our findings suggest that Seed Dormancy4 (Sdr4), central modulator dormancy, integrates abscisic acid gibberellic signaling pathways at transcriptional level. Haplotype analysis revealed three Sdr4 alleles cultivars already existed ancestral Oryza rufipogon accessions. Furthermore, like semi-dwarf 1 (SD1) Rc loci, underwent selection during domestication improvement Asian cultivated The distribution frequency Sdr4-n allele different locations Asia negatively associated with local annual temperature precipitation. Finally, developed functional molecular markers for Sdr4, SD1, use breeding. results provide clues about Sdr4-regulated dormancy. Moreover, these guidance utilizing favorable synergistically boost PHS resistance, yield, quality modern varieties.

Language: Английский

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The seed germination spectrum of 486 plant species: A global meta-regression and phylogenetic pattern in relation to temperature and water potential

Agricultural and Forest Meteorology, Journal Year: 2023, Volume and Issue: 346, P. 109865 - 109865

Published: Dec. 22, 2023

Language: Английский

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Effects of pre-sowing treatments and seed sources on seed germination of Phytolacca acinosa Roxb.

Journal of Applied Research on Medicinal and Aromatic Plants, Journal Year: 2023, Volume and Issue: 34, P. 100478 - 100478

Published: March 28, 2023

Language: Английский

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Revegetation on Tropical Steep Slopes after Mining and Infrastructure Projects: Challenges and Solutions

Sustainability, Journal Year: 2022, Volume and Issue: 14(24), P. 17003 - 17003

Published: Dec. 19, 2022

The revegetation of steep slopes after mining and infrastructure projects is not an easy task. To enhance the effectiveness projects, present study aimed to review (i) specific challenges slope revegetation, (ii) ecological succession patterns in similar environments, (iii) soil conditioning strategies vegetation cover, (iv) importance microorganisms (v) functional plant traits necessary establish on slopes. In general, are characterized by high bulk densities, potentially toxic elements, low water nutrient availability. Additionally, temperature elevated radiation constrain cover establishment. Lessons from natural habitats show that a long-term process. Planting strategies, including hydroseeding geotextiles, may implementation cover. Different groups adaptations for establishment mixtures species containing different can promote diverse resilient communities. Promising be retrieved local rupestrian ecosystems, as these floras adapted shallow, oligotrophic soils. Further research combining methods with individual planting and/or seeding carefully selected rehabilitation, contributing stability, erosion reduction, carbon fixation long term.

Language: Английский

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Influence of drought stress on the seed germination and seedling survival of Pinus sylvestris and Larix decidua

Forest Ecology and Management, Journal Year: 2025, Volume and Issue: 591, P. 122852 - 122852

Published: May 28, 2025

Language: Английский

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Soil Moisture–Drought Nexus across Brazil: Identifying Current Issues and Future Perspectives

Journal of Water Resources Planning and Management, Journal Year: 2025, Volume and Issue: 151(8)

Published: May 28, 2025

Language: Английский

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Hydropriming changes temperature thresholds for seed germination of tree species from the Caatinga, a Brazilian tropical dry forest

Journal of Seed Science, Journal Year: 2021, Volume and Issue: 43

Published: Jan. 1, 2021

Abstract: This study evaluates the effects of hydration and dehydration cycles (HD cycles) on seed germination four Caatinga tree species (Anadenanthera colubrina var. cebil, Enterolobium contortisiliquum, Pityrocarpa moniliformis Pterogyne nitens) subjected to different temperatures determine thermal upper lower limits germination. For this, seeds were 0, 1, 2 3 HD set germinate at 5, 10, 15, 25, 35, 40 45 °C. Germinability t50 calculated differences these parameters compared by two-way ANOVA. In addition, rate (GR = 1/t50), as well ceiling (Tc), optimum (To) base (Tb) estimate below or above which fail germinate. We observed that more cycles, better responds, especially extreme temperatures. Seeds all studied showed To between 25 35 °C, Tb < 10 Tc > The slope regression curves for submitting expands its tolerance range, revealing this pre-treatment can be efficient it increases their stress.

Language: Английский

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