Multiply to conquer: Copy number variations at Ppd-B1 and Vrn-A1 facilitate global adaptation in wheat.

BMC Genet · 2015 · PMC4518651 · PMID 26219856

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a clear trendno p-value reported

Within Europe, Ppd-B1 is mainly present as the photoperiod sensitive one copy variant but showed a clear trend from North to South.

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