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Record W1996854436 · doi:10.2135/cropsci2009.01.0017

Outcrossing in Early‐Stage Spring Wheat Breeder Seed Development

2010· article· en· W1996854436 on OpenAlexafffund
Pierre Hucl

Bibliographic record

VenueCrop Science · 2010
Typearticle
Languageen
FieldAgricultural and Biological Sciences
TopicWheat and Barley Genetics and Pathology
Canadian institutionsUniversity of Saskatchewan
FundersCanadian Seed Growers' Association
KeywordsBiologyTriticaleOutcrossingPollenAgronomyCultivarGermplasmAleuroneBotanyEndosperm

Abstract

fetched live from OpenAlex

ABSTRACT Outcrossing (OC) during the initial stages of spring wheat ( Triticum aestivum L.) breeder seed development (“head‐rowing”) may lead to off‐types appearing in later generations of pedigreed seed. The objective of this research project was to measure OC in a simulated short (1.3 m) breeder row nursery of spring wheat. Rows of four cultivars known to differ in OC potential were grown at up to 12 distances (30–360 cm) from a blue aleurone pollen source in two directions in each of 2 yr. Pollen flow barriers consisted of varying numbers of border rows of wheat or the use of four rows of spring triticale ( Triticosecale ). The blue aleurone trait was used to estimate OC frequency. Triticale was equivalent to wheat as a pollen trap. Based on the results from this study, it would appear prudent to use a pollen barrier of at least 3.6 m between wheat germplasm of a low to moderate OC potential. Wider pollen barriers (>10 m) probably will be required for germplasm prone to OC.

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 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 score0.726
Threshold uncertainty score0.373

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 studies0.0000.000
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 head0.023
GPT teacher head0.243
Teacher spread0.220 · 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 teacher head, 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

Citations5
Published2010
Admission routes2
Has abstractyes

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