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Record W4301459336

Recent advances in tree reproduction, seed and seedling production in Québec

2009· preprint· en· W4301459336 on OpenAlexaboutno aff
Denise Tousignant, M.S. Lamhamedi, Fabienne Colas, L. Tremblay, S. Carles, Patrick Baldet

Bibliographic record

VenueHAL (Le Centre pour la Communication Scientifique Directe) · 2009
Typepreprint
Languageen
FieldAgricultural and Biological Sciences
TopicAgriculture and Rural Development Research
Canadian institutionsnot available
Fundersnot available
KeywordsSeedlingReproductionTree (set theory)Production (economics)Computer scienceBiologyAgroforestryEcologyAgronomyMathematicsEconomics
DOInot available

Abstract

fetched live from OpenAlex

In Québec, the integration between different steps in the reforestation process, from seeds to outplanting, is unparalleled. The Direction de la recherche forestière (DRF the Research Directorate) of the ministère des Ressources naturelles et de la Faune (MRNF Ministry of Natural Resources and Wildlife) has a multidisciplinary research group which includes expertise in forest genetics, seed orchard management, seed technology, mass cutting propagation, somatic embryogenesis, seedling production, environmental monitoring, planting techniques and forest plantation sylviculture. In close collaboration with other research agencies (universities, research centres), this group is responsible for acquiring, integrating and transferring research results related to seed and plant production to the 24 Québec forest nurseries (6 government and 18 private), the provincial seed centre and the cutting propagation and somatic embryogenesis centres. DRF projects must answer research and development needs and are subject to rigorous evaluations of both pertinence and scientific value by independent committees. The evaluation of these projects, as well as those submitted by other research institutions, is administered by an independent agency (Fonds québécois de la recherche sur la nature et les technologies). The present report outlines the salient facts and results of the principal studies related to seed and plant production: seed germination and sowing factors, assessment of water activity, production of hybrid larch seed, genetics of seedling production, characterization and early selection of hybrid poplar clones, vegetative propagation by rooted stem cuttings and somatic embryogenesis (ES), as well as controlled crosses of plants produced by ES. / Au Québec, l'intégration des différentes étapes dans le processus de reboisement, des graines aux plants, est sans égal. La direction de la recherche forestière (DRF) du ministère des ressources naturelles et de la Faune (MRNF) a un groupe de recherche multidisciplinaire qui inclut l'expertise dans la génétique forestière, la gestion de vergers à graines, la technologie de la graine, la propagation de masse par bouturage, l'embryogenèse somatique, la production de plants, le contrôle de l'environnement, les techniques de plantation et la sylviculture des reboisements. En collaboration étroite avec d'autres agences de recherches (universités, centres de recherches), ce groupe a la charge d'acquérir, d'intégrer et de transférer les résultats de la recherche liés à la production de semences et de plants aux 24 pépinières forestières du Québec (6 gouvernementales et 18 privées), au centre provincial de semences ainsi qu'aux centres de propagation par bouturage et par embryogenèse somatique. Les projets de DRF doivent répondre aux besoins de recherche et de développement et sont soumis à des évaluations rigoureuses de leur pertinence et de leur valeur scientifique par des comités indépendants. L'évaluation de ces projets, aussi bien que ceux soumis par d'autres établissements de recherches, est administrée par une agence indépendante (Fonds québécois de la recherche sur la nature et les technologies). Le présent rapport décrit les faits et les résultats marquants des principales études relatives à la production de semences et de plants : de la germination et les facteurs d'ensemencement, l'évaluation de l'activité de l'eau, la production de graines hybrides de mélèze, la structuration génétique lors de la production de plants, la caractérisation et la sélection précoce de clones de peupliers hybrides, la multiplication végétative par bouturage de tiges et l'embryogenèse somatique (es), comme les croisements contrôlés d'arbres issus de l'embryogenèse somatique.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.021
Threshold uncertainty score0.152

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.002
Science and technology studies0.0010.001
Scholarly communication0.0010.000
Open science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0110.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.015
GPT teacher head0.230
Teacher spread0.214 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2009
Admission routes1
Has abstractyes

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