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A global barley panel revealing genomic signatures of breeding in modern Australian cultivars
Author(s) -
Hill Camilla Beate,
Angessa Tefera Tolera,
Zhang XiaoQi,
Chen Kefei,
Zhou Gaofeng,
Tan Cong,
Wang Penghao,
Westcott Sharon,
Li Chengdao
Publication year - 2021
Publication title -
the plant journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.058
H-Index - 269
eISSN - 1365-313X
pISSN - 0960-7412
DOI - 10.1111/tpj.15173
Subject(s) - germplasm , domestication , biology , genetic diversity , hordeum vulgare , adaptation (eye) , plant breeding , cultivar , selection (genetic algorithm) , microbiology and biotechnology , crop , local adaptation , molecular breeding , agronomy , poaceae , ecology , genetics , gene , population , demography , neuroscience , artificial intelligence , sociology , computer science
Significance Statement Our study demonstrates that despite being more extensively bred, modern Australian barley varieties exhibit higher genetic diversity than historical cultivars, countering the common perception that intensive breeding leads to the genetic erosion of adaptive diversity in modern cultivars. Several loci, particularly those related to phenology, were subject to selection during the introduction of other barley varieties to Australia – these genes might continue to be important targets in breeding efforts in the face of changing climatic conditions.
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