Evidence mapPaperPMID 42100044Full record

ArticleFrontiers in plant science2026

Genome-wide association study of post-harvest physiological deterioration in cassava (

Kwame Obeng Dankwa, Jorge Luis Luna Melendez, Juan Camilo Giraldo, Camilo Enrique Sánchez-Sarria, Michael Selvaraj, Bunmi Olasanmi, Winnie Gimode

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Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Kwame Obeng DankwaPlant Breeding Program, Pan African University, Life and Earth Sciences Institute (Including Health and Agriculture), Ibadan, Oyo State, Nigeria.
Jorge Luis Luna MelendezInternational Center for Tropical Agriculture (CIAT), Palmira, Colombia.
Juan Camilo GiraldoInternational Center for Tropical Agriculture (CIAT), Palmira, Colombia.
Camilo Enrique Sánchez-SarriaInternational Center for Tropical Agriculture (CIAT), Palmira, Colombia.
Michael SelvarajInternational Center for Tropical Agriculture (CIAT), Palmira, Colombia.
Bunmi OlasanmiDepartment of Crop and Horticultural Sciences, Faculty of Agriculture, University of Ibadan, Ibadan, Nigeria.
Winnie GimodeInternational Center for Tropical Agriculture (CIAT), Palmira, Colombia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: Postharvest physiological deterioration (PPD) is a rapid and severe process in cassava that causes root discoloration and spoilage soon after harvest, limiting shelf life and commercial value of the storage roots. Although environmental interventions can temporarily delay PPD, they are impractical for large-scale use. Previous studies have focused mainly on transcriptome, proteome, and candidate-gene analyses, with a few reporting robust and independently validated quantitative trait loci (QTLs). Identifying PPD-linked-QTLs is essential to breeding PPD-tolerant cassava varieties. Methods: In this study, a genome-wide association study (GWAS) was conducted to identify genomic regions associated with PPD tolerance using both human visual scoring (VS) and an artificial intelligence (AI)-powered phenotyping method. A mapping population of 298 cassava accessions was genotyped using two platforms: DArTag mid-density panel and genotyping-by-sequencing (GBS). Results and discussion: Across both genotyping platforms, 6 significant SNPs were identified using VS dataset and 6 using the AI phenotypic dataset. Consistent associations on chromosomes 1 and 12 across both phenotyping and genotyping platforms indicate potentially robust genomic regions influencing PPD response. Overall, the AI-powered phenotyping approach presents a standardized and reproducible PPD scoring procedure over the traditional visual scoring in future breeding programs for PPD. Despite differences in marker density, both DArTag and GBS markers capture comparable insights into the genetic structure of the GWAS panel. These findings provide insights into the genetic basis of PPD in cassava and offer valuable targets for marker-assisted and genomic selection toward developing cassava varieties with delayed PPD.

Indexed as

AIcassavageneticsGWASPPDQTLSNP markers

Identifiers

PMID42100044
PMCPMC13144131

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.