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865 results for “Germination”
Data from: Does the reduction of seed dormancy during ex situ cultivation affect the germination and establishment of plants reintroduced into the wild?
<p><span>1. Plants or seeds produced in botanic gardens or nurseries have become an important source of plant material for reintroductions or population reinforcements. However, recent research has shown that these living collections bear the risk of being genetically impoverished and adapted to the artificial habitat. In particular, many studies have reported a decline of seed dormancy during ex situ cultivation, which may compromise their suitability for reintroduction programs. However, the impact of those ex situ-derived changes on the germination and establishment of reintroduced plant populations is still unclear. </span></p> <p><span>2. We studied the germination behaviour, population establishment and plant fitness over three years of reintroduced plants of the short-lived perennial <em>Digitalis</em> <em>lutea</em>, comparing plants grown from (1) a 30-year botanic garden population, (2) seeds from a seed bank representing the initial starting point of the botanic garden culture, and (3) a re-sampled corresponding wild population. </span></p> <p><span>3. Under laboratory conditions, wild-collected seeds required cold stratification to germinate, whereas seeds from the garden population germinated without stratification. This pattern was strongly reduced in an outdoor pot experiment, where only a few garden seeds germinated before winter, and all seeds remained dormant when seeded in the natural area of origin. In a transplant experiment, reintroduced plants from the wild population outperformed both, the garden and the seed bank plants, in their fitness in the first 3 years after reintroduction suggesting adaptation to current climatic conditions. </span></p> <p><span>4. Synthesis and Applications: Our study demonstrates that trait changes that occurred during ex situ cultivation can negatively impact the establishment of reintroduced plants. We conclude that wild plant material collected from contemporary populations is best suited for reintroduction and should be preferred over ex situ-cultivated and seed bank stored material, especially when the cultivation spanned multiple generations. However, our study also shows that germination requirements change in complex ways, and the loss of dormancy observed under laboratory conditions may not always be directly transferable to natural conditions. When established standards are respected, ex situ propagated material may thus still be a valuable resource, especially when wild material is not available in sufficient quantities. </span></p>
seed germination data of species native to the Sahara
<p>Germination data of 43 species native to and dominant in camel rangelands in Saharan Algeria :</p> <table> <tbody> <tr> <td> <p><em>Agathophora alopecuroides</em> (Delile) Fenzl ex Bunge</p> </td> </tr> <tr> <td> <p><em>Anabasis articulata </em>(Forssk.) Moq.</p> </td> </tr> <tr> <td> <p><em>Atriplex dimorphostegia</em> Kar. & Kir.</p> </td> </tr> <tr> <td> <p><em>Bassia muricata</em> (L.) Asch.</p> </td> </tr> <tr> <td> <p><em>Cornulaca monacantha </em>Delile</p> </td> </tr> <tr> <td> <p><em>Ammodaucus leucotrichus</em> Coss. & Durieu</p> </td> </tr> <tr> <td> <p><em>Foeniculum vulgare </em>Mill.</p> </td> </tr> <tr> <td> <p><em>Pergularia tomentosa </em>L.</p> </td> </tr> <tr> <td> <p><em>Asphodelus tenuifolius </em>Cav.</p> </td> </tr> <tr> <td> <p><em>Cotula cinerea </em>Delile</p> </td> </tr> <tr> <td> <p><em>Ifloga spicata </em>(Forssk.) Sch.Bip</p> </td> </tr> <tr> <td> <p><em>Launaea capitata</em> (Spreng.) Dandy</p> </td> </tr> <tr> <td> <p><em>Launaea nudicaulis</em> (L.) Hook. F.</p> </td> </tr> <tr> <td> <p><em>Perralderia coronopifolia</em> Coss.</p> </td> </tr> <tr> <td> <p><em>Scorzonera laciniata</em> L.</p> </td> </tr> <tr> <td> <p><em>Echium trygorrhizum </em>Pomel.</p> </td> </tr> <tr> <td> <p><em>Moltkiopsis ciliata </em>(Forssk.) I. M. Johnst.</p> </td> </tr> <tr> <td> <p><em>Diplotaxis harra </em>(Forssk.) Boiss.</p> </td> </tr> <tr> <td> <p><em>Eremobium aegyptiacum </em>(Spreng.) Asch. & Schweinf. ex Boiss.</p> </td> </tr> <tr> <td> <p><em>Henophyton deserti </em>Coss. & Durieu</p> </td> </tr> <tr> <td> <p><em>Savignya parviflora </em>subsp. <em>longistyla</em> (Boiss. & Reut.) Maire</p> </td> </tr> <tr> <td> <p><em>Sisymbrium reboudianum </em>Verl<em>.</em></p> </td> </tr> <tr> <td> <p><em>Paronychia arabica </em>(L.) DC.</p> </td> </tr> <tr> <td> <p><em>Polycarpaea robbairea </em>(Kuntze) Greuter & Burdet</p> </td> </tr> <tr> <td> <p><em>Spergularia salina</em> J. & C.Presl</p> </td> </tr> <tr> <td> <p><em>Helianthemum lippii </em>(L.) Dum. Cours.</p> </td> </tr> <tr> <td> <p><em>Cleome africana </em>Botsch.</p> </td> </tr> <tr> <td> <p><em>Euphorbia guyoniana </em>Boiss. & Reut.</p> </td> </tr> <tr> <td> <p><em>Argyrolobium uniflorum</em> (Dc) Jaub. & Spach</p> </td> </tr> <tr> <td> <p><em>Astragalus arpilobus </em>subsp. <em>hauarensis</em> (Boiss.) Podlech</p> </td> </tr> <tr> <td> <p><em>Astragalus boeticus</em> L.</p> </td> </tr> <tr> <td> <p><em>Astragalus gombo</em> Bunge</p> </td> </tr> <tr> <td> <p><em>Astragalus mareoticus</em> Delile</p> </td> </tr> <tr> <td> <p><em>Erodium glaucophyllum </em>L’Héritier</p> </td> </tr> <tr> <td> <p><em>Neurada procumbens </em>L.</p> </td> </tr> <tr> <td> <p><em>Plantago ciliata </em>Desf.</p> </td> </tr> <tr> <td> <p><em>Limoniastrum guyonianum</em> Boiss.</p> </td> </tr> <tr> <td> <p><em>Centropodia forsskalii </em>(Vahl) Cope</p> </td> </tr> <tr> <td> <p><em>Sphenopus divaricatus </em>(Gouan) Rchb.</p> </td> </tr> <tr> <td> <p><em>Stipagrostis plumosa </em>(L.) Munro ex T. Anderson</p> </td> </tr> <tr> <td> <p><em>Stipagrostis pungens </em>(Desf.) De Winter</p> </td> </tr> <tr> <td> <p><em>Fagonia glutinosa </em>Delile</p> </td> </tr> <tr> <td> <p><em>Peganum harmala </em>L.</p> </td> </tr> </tbody> </table>
Spore germination and gametophore development of mosses in response to competition
<p class="MsoNormal"><span>Interactions between moss species in their earliest growth stages have received little attention. To what extent interspecific competition or priority effects influence spore germination, protonemal development, and gametophore emergence is unknown. We evaluated such effects in pairwise interaction between six common bryophyte species: <em>Atrichum undulatum, Bryum argenteum, Ceratodon purpureus, Funaria hygrometrica, Hypnum cupressiforme,</em> and <em>Leptobryum pyriforme</em>. </span><span>Interspecific interactions were assessed in vitro. Spores were sterilized and sown on agar plates in three treatments: 1) as single species cultures (controls), 2) as pairwise species cultures inoculated simultaneously, and 3) with a time lag of 20 days between species. Data on time needed for spore germination, germination rate, the time needed for gametophore differentiation, number of gametophores per germinated spore and average diameter of colonies were collected. We also performed spore germination tests in single-species cultures at the start and end of the study, as well as tests for density-dependency at spore germination and gametophore formation. </span></p>
Germination of range-wide Quercus suber L. populations
<p>This database contains the individual germination times and rates of cork oak acorns under controlled conditions. Acorns were collected in 2021 from 9 natural populations comprising 10 mother trees per population in France, Italy, Portugal and Spain. The acorns were weighed per mother tree before being sown under controlled conditions at 15, 20 and 25°C. The final size of this database is 718 individual entries which include seed mass, germination rates and timing, and the emergence of the first leaf. The populations from which the acorns were collected are geo-referenced and the mother trees are identified by their circumference and dbh.</p>
Indomethacin Germinal Matrix Hemorrhage/Intraventricular Hemorrhage (GMH/IVH) Prevention Trial
ClinicalTrials.gov study NCT00033917. IPD Sharing: Not stated. Countries: 1. Publications: 16.
Nectar bacteria stimulate pollen germination and bursting to enhance microbial fitness
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Data from: Species-specific variation in germination rates contributes to spatial coexistence more than adult plant water use in four closely-related annual flowering plants
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Data from: The invasive plant Solidago canadensis exhibits partial local adaptation to low salinity at germination but not at later life‐history stages
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Data from: A process to enhance germination of a wild pennycress variety
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Germination and epiphytic seed fungi on Festuca roemeri and Danthonia californica
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Gut passage in frugivores enhances the germination of mistletoe seeds Bakerella gonoclada, in a Madagascar rainforest
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Data from: Germination of 10 midland plant species from the eastern Mediterranean Basin: Effects of smoke, syringaldehyde, karrikinolide, and cyanohydrin
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Data from: Seed pelleting and storage effects on germination of Pennycress (<i>Thlaspi arvense</i> L.)
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Data from: Volatile fatty acid concentration, soil pH and soil texture during anaerobic soil conditions affect germination of Athelia (Sclerotium) rolfsii sclerotia
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Hormone type, soaking duration and seed coating affect dormancy and germination of pennycress (Thlaspi arvense) lines
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Data from: Cracking the case: seed traits and phylogeny predict time to germination in prairie restoration species
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Rabidata Rubus: Seed germination test with seeds subjected to static magnetic field (SMF) and cold stratification (CS)
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Spore germination and gametophore development of mosses in response to competition
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Germination phenology alters species coexistence outcomes
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Data from: Shifting precipitation regimes influence optimal germination strategies and population dynamics in bet-hedging desert annuals
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.