New approaches using selection index in sweet potato breeding for biofortification

IF 1.3 4区农林科学 Q3 AGRONOMY Crop Breeding and Applied Biotechnology Pub Date : 2023-01-01 DOI:10.1590/1984-70332023v23n3a24

Hellen Cristina da Silva, Valdemir Antonio Peressin, José Carlos Feltran, Thiago Leandro Factor, Eliane Gomes Fabri, Luís Carlos Bernacci, João Vitor Nomura, Fernando Angelo Piotto

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Abstract

The objective of this research was to select orange-fleshed sweet potato clones with high stability, yield, and β-carotene content in different planting seasons, using a selection index. Joint analysis of experiments and analysis of responsiveness and stability by the GGE biplot method were performed for the variables yield, dry matter percentage, and root flesh color. The variables yield, dry matter, color and stability were used to estimate a selection index. The GGE biplot analysis indicated that there are differences among clones in stability for Yield. However, the percentage of dry matter and color of the roots show low interaction in the different environments. Because of that, stability for yield was included in the selection index, together with yield, dry matter, and root orange color intensity. Finally, the selection index based on stability, yield, dry matter percentage and root color was efficient in the selection of a new biofortified sweet potato cultivar.

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利用选择指数进行甘薯生物强化育种的新途径

本研究的目的是利用选择指数筛选不同种植季节稳定性高、产量高、β-胡萝卜素含量高的橙肉甘薯无性系。利用GGE双图法对产量、干物质百分比和根肉颜色等变量进行联合实验分析和响应性和稳定性分析。用产量、干物质、颜色和稳定性等变量来估计选择指标。GGE双图分析表明，不同无性系在产量稳定性上存在差异。而干物质百分比和根系颜色在不同环境下的交互作用较低。因此，将产量稳定性与产量、干物质和根橙色强度一起纳入选择指标。结果表明，以稳定性、产量、干物质率和根色为指标的选育方法对生物强化甘薯新品种选育是有效的。

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来源期刊

Crop Breeding and Applied Biotechnology AGRONOMY-BIOTECHNOLOGY & APPLIED MICROBIOLOGY

CiteScore

2.70

自引率

13.30%

发文量

审稿时长

6-12 weeks

期刊介绍： The CBAB – CROP BREEDING AND APPLIED BIOTECHNOLOGY (ISSN 1984-7033) – is the official quarterly journal of the Brazilian Society of Plant Breeding, abbreviated CROP BREED APPL BIOTECHNOL. It publishes original scientific articles, which contribute to the scientific and technological development of plant breeding and agriculture. Articles should be to do with basic and applied research on improvement of perennial and annual plants, within the fields of genetics, conservation of germplasm, biotechnology, genomics, cytogenetics, experimental statistics, seeds, food quality, biotic and abiotic stress, and correlated areas. The article must be unpublished. Simultaneous submitting to another periodical is ruled out. Authors are held solely responsible for the opinions and ideas expressed, which do not necessarily reflect the view of the Editorial board. However, the Editorial board reserves the right to suggest or ask for any modifications required. The journal adopts the Ithenticate software for identification of plagiarism. Complete or partial reproduction of articles is permitted, provided the source is cited. All content of the journal, except where identified, is licensed under a Creative Commons attribution-type BY. All articles are published free of charge. This is an open access journal.