ArticleScientific reports2020
Improving root characterisation for genomic prediction in cassava.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Phenotypic, genetic, and population structure analysis offer insights into the genetic architecture of root shape inHorticulture research · 2025Article
- Optimizing genomic prediction with transfer learning under a ridge regression framework.The plant genome · 2025Article
- The whole-genome dissection of root system architecture provides new insights for the genetic improvement of alfalfa (Horticulture research · 2025Article
- Genomic prediction for potato (Solanum tuberosum) quality traits improved through image analysis.The plant genome · 2024Article
- A Penalized Regression Method for Genomic Prediction Reduces Mismatch between Training and Testing Sets.Genes · 2024Article
- Genomic prediction for root and yield traits of barley under a water availability gradient: a case study comparing different spatial adjustments.Plant methods · 2024Article
- Image-Based High-Throughput Phenotyping in Horticultural Crops.Plants (Basel, Switzerland) · 2023Review
- Cassava root crown phenotyping using three-dimension (3D) multi-view stereo reconstruction.Scientific reports · 2022Article
- Genome-wide association mapping and genomic prediction of yield-related traits and starch pasting properties in cassava.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genomic mating in outbred species: predicting cross usefulness with additive and total genetic covariance matrices.Genetics · 2021Article
- On the genetic architecture in a public tropical maize panel of the symbiosis between corn and plant growth-promoting bacteria aiming to improve plant resilience.Molecular breeding : new strategies in plant improvement · 2021Article
- Can Cross-Country Genomic Predictions Be a Reasonable Strategy to Support Germplasm Exchange? - A Case Study With Hydrogen Cyanide in Cassava.Frontiers in plant science · 2021Article
- Technological Innovations for Improving Cassava Production in Sub-Saharan Africa.Frontiers in genetics · 2020Review
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Cassava is cultivated due to its drought tolerance and high carbohydrate-containing storage roots. The lack of uniformity and irregular shape of storage roots poses constraints on harvesting and post-harvest processing. Here, we phenotyped the Genetic gain and offspring (C1) populations from the International Institute of Tropical Agriculture (IITA) breeding program using image analysis of storage root photographs taken in the field. In the genome-wide association analysis (GWAS), we detected for most shape and size-related traits, QTL on chromosomes 1 and 12. In a previous study, we found the QTL on chromosome 12 to be associated with cassava mosaic disease (CMD) resistance. Because the root uniformity is important for breeding, we calculated the standard deviation (SD) of individual root measurements per clone. With SD measurements we identified new significant QTL for Perimeter, Feret and Aspect Ratio on chromosomes 6, 9 and 16. Predictive accuracies of root size and shape image-extracted traits were mostly higher than yield trait prediction accuracies. This study aimed to evaluate the feasibility of the image phenotyping protocol and assess GWAS and genomic prediction for size and shape image-extracted traits. The methodology described and the results are promising and open up the opportunity to apply high-throughput methods in cassava.
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