Development of a multicriteria decision-making model for evaluating hybrid offspring in the sweetpotato (Ipomoea batatas L.) breeding process

Sweetpotato variety breeding is always a long process. Screening of hybrid offspring is dominated by empirical judgment in this process. Data analysis and decision fatigue have been troubling breeders. In recent years, the low-efficiency screening mode has been unable to meet the requirements of swe...

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Bibliographic Details
Published in:Breeding Science 2023, Vol.73(3), pp.246-260
Main Authors: Xiang, Wei, Li, Kailong, Dong, Fang, Zhang, Ya, Zeng, Qiang, Jiang, Ling, Zhang, Daowei, Huang, Yanlan, Xiao, Liang, Zhang, Zhuo, Zhang, Chaofan
Format: Article
Language:English
Subjects:
analytic hierarchy process (AHP)
Data analysis
Decision analysis
Decision making
Dry matter
Empirical analysis
entropy method
fuzzy comprehensive evaluation
Genotypes
Germplasm
Ipomoea batatas
multicriteria decision-making (MCDM)
Multiple criterion
Odors
Offspring
Plant breeding
Research Paper
Roots
Screening
Sensory evaluation
Spatial distribution
Sweet potatoes
Sweetness
sweetpotato
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Summary:Sweetpotato variety breeding is always a long process. Screening of hybrid offspring is dominated by empirical judgment in this process. Data analysis and decision fatigue have been troubling breeders. In recent years, the low-efficiency screening mode has been unable to meet the requirements of sweetpotato germplasm innovation. Therefore, it is necessary to construct a high-efficiency method that can screen germplasms for different usages, for mining elite genotypes, and to create dedicated sweetpotato varieties. In this article, the multicriteria decision-making (MCDM) model was constructed based on six agronomic traits, including fresh root yield, vine length, vine diameter, branch number, root number and the spatial distribution of storage roots, and five quality traits, including dry matter content, marketable root yield, uniformity of roots, starch content and the edible quality score. Among these, the edible quality score was calculated by using fuzzy comprehensive evaluation to integrate the sensory scores of color, odor, sweetness, stickiness and fibrous taste. The MCDM model was compared with the traditional screening method via an evaluation in 25 sweetpotato materials. The interference of subjective factors on the evaluation results was significantly reduced. The MCDM model is more overall, more accurate and faster than the traditional screening method in the selection of elite sweetpotato materials. It could be programmed to serve the breeders in combination with the traditional screening method.
ISSN:1344-7610
1347-3735
DOI:10.1270/jsbbs.22096