Germination Characteristics Is More Associated With Phylogeny-Related Traits of Species in a Salinized Grassland of Northeastern China

Zhao, Minshou; Liu, Zhaogang; Zhang, Hongxiang; Wang, Yuanyuan; Yan, Hong

doi:10.3389/fevo.2021.748038

Cited by 6 publications

(4 citation statements)

References 57 publications

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“…In our study, compared with the seeds of some eudicotyledonous species without endosperm, monocotyledonous seeds with endosperm require a longer time to provide nutrients to the growth of the embryo, resulting in a faster germination percentage of eudicotyledonous seeds than monocotyledonous seeds (Zhao et al., 2021 ). Similarly, in a study of 570 species of alpine meadows in the eastern Qinghai‐Tibet Plateau, a negative correlation between seed germination percentage and seed mass was also observed (Bu et al., 2007 ).…”

Section: Discussionmentioning

confidence: 78%

Section: Effect Of Monocot/eudicot Divergence Seed Size and E: S Rati...mentioning

confidence: 72%

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Seed dormancy types and germination response of 15 plant species in temperate montane peatlands

Wang,

Bu,

Poschlod

et al. 2024

Ecology and Evolution

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Despite their crucial role in determining the fate of seeds, the type and breaking mode of seed dormancy in peatland plants in temperate Asia with a continental monsoon climate are rarely known. Fifteen common peatland plant species were used to test their seed germination response to various dormancy‐breaking treatments, including dry storage (D), gibberellin acid soaking (GA), cold stratification (CS), warm followed cold stratification (WCS), GA soaking + cold stratification (GA + CS) and GA soaking + warm followed cold stratification (GA + WCS). Germination experiment, viability and imbibition test, and morphological observation of embryos were conducted. Of the 15 species, nine showed physiological dormancy (PD), with non‐deep PD being the dominant type. Four species, Angelica pubescens, Cicuta virosa, Iris laevigata, and Iris setosa exhibited morphophysiological dormancy. Two species, Lycopus uniflorus and Spiraea salicifolia, demonstrated nondormancy. Overall, the effect hierarchy of dormancy‐breaking is: CS > GA > WCS > GA + CS > D > GA + WCS. Principal component analysis demonstrated that seed traits, including embryo length: seed length ratio, seed size, and monocot/eudicot divergence, are more likely to influence seed dormancy than environmental factors. Our study suggests that nearly 90% of the tested peatland plant species in the Changbai Mountains demonstrated seed dormancy, and seed traits (e.g. embryo‐to‐seed ratio and seed size) and abiotic environmental factors (e.g. pH and temperature seasonality) are related to germination behavior, suggesting seed dormancy being a common adaptation strategy for the peatland plants in the temperate montane environment.

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Section: Discussionmentioning

confidence: 78%

Section: Effect Of Monocot/eudicot Divergence Seed Size and E: S Rati...mentioning

confidence: 72%

Seed dormancy types and germination response of 15 plant species in temperate montane peatlands

Wang,

Bu,

Poschlod

et al. 2024

Ecology and Evolution

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“…Seed germination is the most important life-cycle stage affecting population establishment and regeneration. It is not only affected by temperature, light, soil moisture and other environmental factors, but is also closely related to the characteristics of the parents and ST [ 33 , 34 , 35 , 36 , 37 ]. Many researchers in the fields of seed science, agriculture, botany and ecology have expressed concerns about seed germination.…”

Section: Resultsmentioning

confidence: 99%

Seed Traits Research Is on the Rise: A Bibliometric Analysis from 1991–2020

Liu

Zhao

et al. 2022

Plants

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Seed traits (ST) influence seedling establishment, population dynamics, community composition and ecosystem function and reflect the adaptability of plants and the environmental conditions they experienced. There has been a historical and global accumulation of studies on ST, but with few pertaining to visual and quantitative analyses. To understand the trends in the field of ST research in the past 30 years, we conducted a bibliometric analysis based on the Science Citation Index-Expanded (SCI-E) database. The analysis provided annual publications, time trends for keywords, the most productive journals, authors, institutions and countries, and a comprehensive overview of the ST field. Our results showed that in the past 30 years, the number of publications in ST research has increased at an average annual growth rate of 9.1%, while the average number of citations per paper per year showed a rapid increase–slow increase–decrease trend. Keyword analysis showed that “germination” was the most popular research section. Crop Science ranked first among the top journals and Theoretical and Applied Genetics had greater influence in this area and more citations than other journals. The 10 most productive institutions were mostly located in the United States, China and Australia. Furthermore, the three countries also had the largest number of publications and citations. Our analysis showed that the research interests in ST have evolved from genetics and agricultural science to ecological research over the last thirty years; as more fields embrace ST research, there are opportunities for international and interdisciplinary collaborations, cooperative institutions and new advances in the field.

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“…acuminatum Willd. were collected from more than 50 individuals of natural populations at maturity in the Songnen Plain of Northeast China (44 • 45 N, 123 • 45 E; 160 m a.s.l) [24,25]. The region has a semi-arid, continental climate.…”

Section: Seed Collection and Study Regionmentioning

confidence: 99%

Germination Strategy of Chenopodium acuminatum Willd. under Fluctuating Salinity Habitats

Tian,

Li,

Zhang

et al. 2023

Agronomy

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Germination events of plants often occur after rainfall in saline environments where the soil salinity is diluted, viz recovery germination. Previous germination studies have rarely considered the duration of exposure to salt stress, and none of them have investigated recovery germination under low-salt concentration, other than in distilled water. The main objective of this study was to investigate the effects of salinity, exposure duration and low-salt recovery solutions on seed germination of the weed Chenopodium acuminatum to get a clear insight about the germination strategy exhibited by this species in a saline habitat. Seeds were initially exposed to 0–400 mM NaCl for 10, 20 and 30 d. The subsequent recovery experiment was conducted differently. For those initially treated with 100 and 200 mM NaCl, the recovery solution was distilled water, while for those initially treated with 300 and 400 mM NaCl, the recovery solution was distilled water, at 50 and 100 mM NaCl. Results showed that the recovery germination percentage and rate significantly decreased when the exposure duration extended. Seeds could subsequently recover to germinate at high percentages at recovery salt solution concentrations for a short duration, but the recovery percentages and rates in high salinity, combined with high exposure duration and relatively high recovery salt concentrations, were remarkably lower. More than 30% of the ungerminated seeds were viable after the recovery experiment. We suggest that Ch. acuminatum exhibits a ‘cautious’ strategy of germination to avoid injury from long-term salt stress and ensure survival for the subsequent continuation of its population under unfavorable saline conditions.

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Germination Characteristics Is More Associated With Phylogeny-Related Traits of Species in a Salinized Grassland of Northeastern China

Cited by 6 publications

References 57 publications

Seed dormancy types and germination response of 15 plant species in temperate montane peatlands

Seed dormancy types and germination response of 15 plant species in temperate montane peatlands

Seed Traits Research Is on the Rise: A Bibliometric Analysis from 1991–2020

Germination Strategy of Chenopodium acuminatum Willd. under Fluctuating Salinity Habitats

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