Seed dormancy and the control of germination
TLDR
It is argued that adaptation has taken place on a theme rather than via fundamentally different paths and similarities underlying the extensive diversity in the dormancy response to the environment that controls germination are identified.Abstract:
Seed dormancy is an innate seed property that defines the environmental conditions in which the seed is able to germinate. It is determined by genetics with a substantial environmental influence which is mediated, at least in part, by the plant hormones abscisic acid and gibberellins. Not only is the dormancy status influenced by the seed maturation environment, it is also continuously changing with time following shedding in a manner determined by the ambient environment. As dormancy is present throughout the higher plants in all major climatic regions, adaptation has resulted in divergent responses to the environment. Through this adaptation, germination is timed to avoid unfavourable weather for subsequent plant establishment and reproductive growth. In this review, we present an integrated view of the evolution, molecular genetics, physiology, biochemistry, ecology and modelling of seed dormancy mechanisms and their control of germination. We argue that adaptation has taken place on a theme rather than via fundamentally different paths and identify similarities underlying the extensive diversity in the dormancy response to the environment that controls germination.read more
Citations
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Journal ArticleDOI
Towards Better Understanding of Pea Seed Dormancy Using Laser Desorption/Ionization Mass Spectrometry.
Monika Cechová,Markéta Válková,Iveta Hradilová,Anna Janská,Aleš Soukup,Petr Smýkal,Petr Bednář +6 more
TL;DR: Seed coats of six pea genotypes contrasting in dormancy were studied by laser desorption/ionization mass spectrometry (LDI-MS), finding normalized signals of long-chain hydroxylated fatty acids in dormant JI64 genotype seed coats were significantly higher than in other genotypes.
Journal ArticleDOI
Comprehensive dissection of transcript and metabolite shifts during seed germination and post-germination stages in poplar
Chunpu Qu,Zhuang Zuo,Lina Cao,Jiahuan Huang,Xue Sun,Peng Zhang,Chengjun Yang,Lixin Li,Zhiru Xu,Guanjun Liu +9 more
TL;DR: The targeted correlation network analysis approach developed in this study can be applied to search for key candidate genes in specific biochemical reactions and represents a new strategy for joint multiomics analyses.
Book ChapterDOI
Phytohormones and Drought Stress: Plant Responses to Transcriptional Regulation
Neha Pandey,Zahra Iqbal,Bhoopendra K. Pandey,Bhoopendra K. Pandey,Samir V. Sawant,Samir V. Sawant +5 more
Journal ArticleDOI
Environmental factors driving seed dormancy and germination in tropical ecosystems: A perspective from campo rupestre species
TL;DR: This review addresses the particularities and crucial roles that environmental signaling plays in germination, longevity, and dormancy cycles of seeds of tropical species from campo rupestre vegetation, as well as how the interaction between soil humidity and temperature can modulate the acquisition and overcoming of secondary dormancy.
Journal ArticleDOI
Storage, oil quality and cryopreservation of babassu palm seeds.
Rodrigo Aparecido Domingues de Oliveira,Silma da Conceição Neves,Leonardo Monteiro Ribeiro,Paulo Sérgio Nascimento Lopes,Flaviano O. Silvério +4 more
TL;DR: Attalea vitrivir seeds demonstrate orthodox behavior and are highly storage-tolerant, which is favored by the high stability of their oils, andCryopreservation of embryos shows potential usefulness for the conservation of the genetic resources of this species.
References
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Seeds. Ecology, Biogeography, and, Evolution of Dormancy and Germination 2nd ed
Carol C. Baskin,Jerry M. Baskin +1 more
Book
Seeds: Ecology, Biogeography, and, Evolution of Dormancy and Germination
Carol C. Baskin,Jerry M. Baskin +1 more
TL;DR: A Geographical Perspective on Germination Ecology: Tropical and Sub-tropical Zones as discussed by the authors, Temperate and Arctic Zones, and Semi-Arctic Zones: Temperate, Subtropical, and Arctic zones.
Journal ArticleDOI
Seeds: Physiology of Development and Germination.
Book
Seeds: Physiology of Development and Germination
J. D. Bewley,Michael Black +1 more
TL;DR: Seeds: Germination, Structure, and Composition; Development-Regulation and Maturation; Mobilization of Stored Seed Reserves; and some Ecophysiological Aspects.
Journal ArticleDOI
Seed Germination and Dormancy.
TL;DR: This review provides both an overview of the essential processes that are associated with germination and a description of the possible impediments thereto that may result in dormancy.