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Record W7052781626

Study on Interactions between Endophytes and Hemp for Healthy Plants and Quality Products

2024· dissertation· en· W7052781626 on OpenAlexfundno aff

Bibliographic record

VenueUniversity Library (University of Saskatchewan) · 2024
Typedissertation
Languageen
FieldPhysics and Astronomy
TopicAtomic and Subatomic Physics Research
Canadian institutionsnot available
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsMicrobiomePloidyCannabis sativaRuderal speciesCropPyrosequencingHolobiontCultivarRhizosphere
DOInot available

Abstract

fetched live from OpenAlex

Modern Cannabis sativa L. cell lines encompass various chromosome variations through ploidy, such as diploid, triploid, and tetraploid, while their associated microbial communities are still underexplored. The lack of knowledge on symbiotic mycobiome-hemp interaction can be considered a bottleneck for sustainable plant and cannabinoids production, which is further exacerbated due to the recent legalization of Cannabis in Western countries, resulting in a surge in demand. Consequently, the imperative to investigate hemp's microbial communities has grown, as it plays a pivotal role in enhancing crop health and ensuring product quality, safety, and security. Hence, understanding the mechanism by which microbiome is acting in protocooperation with ploidy in hemp is a vital step towards microbiome-assisted agriculture and future breeding programs.\nThe primary objective of this thesis is to elucidate the correlation between diploid (2n) and triploid (3n) hemp plants and their respective microbiome profiles. Specifically, the diploid and triploid Suver haze cultivar varieties and their associated microbial community composition on seeds, flowers and leaves were examined. The research findings shed light on the intricate interplay between the Cannabis sativa microbiome and host phenotypic characteristics. Notably, we observed that distinct microbial community structures were linked with shifts in plant growth parameters, hormonal activities, and phenotypic traits. Furthermore, our study underscores the dynamic nature of the hemp microbiome across different plant genotypes and growth stages, resulting in distinctive profiles of secondary metabolites. The variation in endophytic community structures between diploid versus triploid plants coincides with the level of plant plasticity to adapt in response to controlled in vitro and phytotron environments. Moreover, we found that differences in microbiome’s composition coincides with specific shifts in phenotypic characteristics of each plant host, offering practical applications for optimizing hemp cultivation.\nIn summary, a combination of microbiology, microscopy, molecular, and phenotypical approaches was applied in addressing the main study’s objectives. Tested plants underscore the significance of considering the microbiome as a pivotal factor in shaping physiological (PSII)\niii\nand phenotypic attributes in Cannabis sativa. A deeper understanding of these complex relationships has the potential to refine cultivation techniques and facilitate the development of hemp varieties with tailored traits, ultimately benefiting both the medical and industrial applications of this versatile plant. Additionally, our research may contribute to identifying biosignature markers of endosymbiosis that enhance the genetic diversity of hemp germplasm during the reproductive seed and flowering stages, potentially improving plant health, agricultural traits, and the quality of products.

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)0.000
metaresearch head score (Gemma)0.000
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 score0.002
Threshold uncertainty score0.004

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0010.000
Scholarly communication0.0010.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.032
GPT teacher head0.279
Teacher spread0.247 · 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
Published2024
Admission routes1
Has abstractyes

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