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Does the Honeybee (Hymenoptera: Apidae) Reduce the Blooming Period of Canola?

2006· article· en· W2068056166 on OpenAlex
Rachid Sabbahi, D. de Oliveira, J. Marceau

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.
aboutThe title or abstract carries a Canadian signal from the geographic lexicon.

Bibliographic record

VenueJournal of Agronomy and Crop Science · 2006
Typearticle
Languageen
FieldAgricultural and Biological Sciences
TopicPlant and animal studies
Canadian institutionsMinistère de l'Agriculture, des Pêcheries et de l'AlimentationUniversité du Québec à Montréal
FundersMinistère de l'Agriculture, des Pêcheries et de l'Alimentation
KeywordsCanolaPollinatorBiologyBrassicaHectarePollenHorticulturePollinationHymenopteraAgronomyBotanyPeriod (music)Ecology

Abstract

fetched live from OpenAlex

Abstract The aim of this study was to determine if and how the honeybee reduces the blooming period of canola ( Brassica napus ). Colonies were installed in different fields of canola in the Chaudiere‐Appalaches (two replicates) and Quebec City (one replicate) regions to create a density gradient of zero to three colonies per hectare. To calculate the blooming period under these conditions, 10 labelled plants were caged in the field, out of the reach of pollinators, and 10 others were labelled in the field and exposed to foragers. The number of flowers found on each plant was recorded daily. This study also aims at demonstrating that the canola plant will produce new flowers as long as it does not reach its maximum carrying capacity, thereby extending the blooming period. To simulate the fall of unfertilized flowers, a predetermined number of flowers from 20 randomly selected plants in one of the replicates were cut off every day. The plant, when it reaches its maximum carrying capacity, stops producing new flowers. With three colonies per hectare, the blooming period was reduced by 3.8 days, or 17 % compared with in the absence of pollinators. Because of the efficient pollen transfer to the stigma, the honeybees do not only cause the flower to live for a shorter period of time, but they also bring about a decrease in the number of flowers produced by the plant, thereby reducing the duration of blooming period.

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.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation 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 score0.917
Threshold uncertainty score0.578

Codex and Gemma teacher scores by category

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

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 head0.199
Teacher spread0.184 · 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