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Record W4402071234 · doi:10.5376/rgg.2024.15.0019

Maximizing Rice Yields through Heterosis: Exploring the Genetic Basis and Breeding Strategies

2024· article· en· W4402071234 on OpenAlex
Xiaoling Zhang, Qian Zhu, Jianquan Li, Dongsun Lee, Lijuan Chen

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.

venuePublished in a venue whose home country is Canada.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueRice Genomics and Genetics · 2024
Typearticle
Languageen
FieldAgricultural and Biological Sciences
TopicRice Cultivation and Yield Improvement
Canadian institutionsnot available
Fundersnot available
KeywordsHeterosisBasis (linear algebra)BiologyAgronomyBiotechnologyHybridMathematics

Abstract

fetched live from OpenAlex

Maximizing rice yields is essential for ensuring global food security, especially in the face of increasing population pressure and climatic challenges. This study explores the potential of heterosis (hybrid vigor) in rice breeding to enhance yield, stress tolerance, and overall crop performance. The study delves into the historical development and key genetic mechanisms underlying heterosis, including dominance, overdominance, and epistasis. Traditional and modern breeding strategies, such as marker-assisted selection (MAS) and genomic selection, are examined for their roles in optimizing hybrid rice production. Advances in genomics, transcriptomics, proteomics, and other multi-omics approaches provide a comprehensive understanding of the molecular basis of heterosis, facilitating the development of superior hybrid varieties. The study also addresses the socio-economic and environmental considerations vital for the successful adoption of hybrid rice. Future directions emphasize the integration of CRISPR and synthetic biology, international collaborations, and supportive policy frameworks to enhance the sustainability and impact of hybrid rice breeding programs. By leveraging these advancements, hybrid rice breeding can significantly contribute to global agricultural sustainability and food security.

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)0.000
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: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.743
Threshold uncertainty score0.553

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0010.000
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 head0.069
GPT teacher head0.238
Teacher spread0.169 · 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