Abstract
As compared with normal-oleic peanuts, high-oleic peanuts proved to be heart-healthier and had a prolonged shelf life and extended seed longevity. However, there have been concerns about the genetic diversity of present-day high-oleic peanut cultivars, which relied heavily on high-oleic donors with F435 type FAD2 mutations. In the study, a total of 104 high-oleic peanut cultivars/lines/mutants from main breeding teams in China were used to assess their genetic diversity with AhMITE markers. Of all the 31 cultivars tested, those from CTW (Chuan Tang Wang) team had the highest genetic variability. Again, of all the 73 lines studied, those from the same team ranked first in genetic diversity. As compared with cultivars from CTW and C&Y (Xiao Yuan Chi and Shan Lin Yu) teams, greater genetic diversity was detected in new lines of both teams, indicating that recent breeding efforts had resulted in improved genetic diversity in high-oleic peanuts.
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Acknowledgements
Our sincere thanks are due to the financial support from Taishan Industry Leading Talents Special Fund (LJNY201808), Yantai Science and Technology Plan Project (2018ZDCX), Corps Science and Technology Development Special Promotion Achievement Transformation Guidance Plan (2018BC012), China Agricultural Research System of MOF and MARA (CARS-13), and Agricultural Scientific and Technological Innovation Project of Shandong Academy of Agricultural Sciences (CXGC2021A46, CXGC2021A09) to the first author. Support from Taishan Scholar Project Funding (tsnq201812121) to the sixth author was gratefully acknowledged.
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All of the authors of ‘‘Assessment of genetic diversity among Chinese high-oleic peanut genotypes using Miniature Inverted-Repeat Transposable Element Markers’’ here declare that there is no conflict of interest.
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Wang, C.T., Song, G.S., Wang, Z.W. et al. Assessment of genetic diversity among Chinese high-oleic peanut genotypes using miniature inverted-repeat transposable element markers. Genet Resour Crop Evol 69, 949–958 (2022). https://doi.org/10.1007/s10722-021-01341-y
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DOI: https://doi.org/10.1007/s10722-021-01341-y