Section: Forest & Wood Sciences
Topic: Plant biology, Ecology, Physiology
Variability in seeds’ physicochemical characteristics, germination and seedling growth within and between two French Populus nigra L. populations
10.24072/pcjournal.86 - Peer Community Journal, Volume 2 (2022), article no. e10.
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To improve understanding of the physiology, ecology, and regeneration requirements of black poplar (Populus nigra), a severely endangered tree species in Europe, we analysed the biochemical composition of seeds from 20 families derived from open pollination of 20 trees in two contrasting environments in France, along the Drôme and Loire rivers. Significant between-family differences were detected. Total lipid contents differed qualitatively between seed of the two populations and were higher in the Drôme population (214 more or less 29.8 versus 172.72 more or less 19.77 mg.g-1 dw). Soluble sugars were less abundant in seeds of the Drôme population (78.78 more or less 10.01 versus 104.10 more or less 25.32 mg.g-1 dw). The protein content (322 more or less 74.3 mg.g-1 dw) and quantity of reserve proteins did not differ between seeds of the two populations. Measurements in three consecutive years showed that seeds of the Loire population had significantly higher dry weight (0.69 more or less 0.10 versus 0.45 more or less 0.10 mg.g-1 dw), but this did not significantly affect the germination rate or root growth of the seedlings measured 5 days after sowing. However, one group of Loire seedlings had substantially longer juvenile roots than another group. Overall, the results suggest that intrinsic qualities of the seeds are not critical factors in the early stages and in selection pressure of the species life cycle and recruitment.
Type: Research article
CC-BY 4.0
@article{10_24072_pcjournal_86,
author = {Lefebvre, Marl\`ene and Villar, Marc and Boizot, Nathalie and Delile, Armelle and Dimouro, Benjamin and Lomenech, Anne-Marie and Teyssier, Caroline},
title = {Variability in seeds{\textquoteright} physicochemical characteristics, germination and seedling growth within and between two {French} {\protect\emph{Populus} nigra} {L.} populations},
journal = {Peer Community Journal},
eid = {e10},
publisher = {Peer Community In},
volume = {2},
year = {2022},
doi = {10.24072/pcjournal.86},
url = {https://peercommunityjournal.org/articles/10.24072/pcjournal.86/}
}
TY - JOUR AU - Lefebvre, Marlène AU - Villar, Marc AU - Boizot, Nathalie AU - Delile, Armelle AU - Dimouro, Benjamin AU - Lomenech, Anne-Marie AU - Teyssier, Caroline TI - Variability in seeds’ physicochemical characteristics, germination and seedling growth within and between two French Populus nigra L. populations JO - Peer Community Journal PY - 2022 VL - 2 PB - Peer Community In UR - https://peercommunityjournal.org/articles/10.24072/pcjournal.86/ DO - 10.24072/pcjournal.86 ID - 10_24072_pcjournal_86 ER -
%0 Journal Article %A Lefebvre, Marlène %A Villar, Marc %A Boizot, Nathalie %A Delile, Armelle %A Dimouro, Benjamin %A Lomenech, Anne-Marie %A Teyssier, Caroline %T Variability in seeds’ physicochemical characteristics, germination and seedling growth within and between two French Populus nigra L. populations %J Peer Community Journal %D 2022 %V 2 %I Peer Community In %U https://peercommunityjournal.org/articles/10.24072/pcjournal.86/ %R 10.24072/pcjournal.86 %F 10_24072_pcjournal_86
Lefebvre, Marlène; Villar, Marc; Boizot, Nathalie; Delile, Armelle; Dimouro, Benjamin; Lomenech, Anne-Marie; Teyssier, Caroline. Variability in seeds’ physicochemical characteristics, germination and seedling growth within and between two French Populus nigra L. populations. Peer Community Journal, Volume 2 (2022), article no. e10. doi : 10.24072/pcjournal.86. https://peercommunityjournal.org/articles/10.24072/pcjournal.86/
Peer reviewed and recommended by PCI : 10.24072/pci.forestwoodsci.100004
Conflict of interest of the recommender and peer reviewers:
The recommender in charge of the evaluation of the article and the reviewers declared that they have no conflict of interest (as defined in the code of conduct of PCI) with the authors or with the content of the article.
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