Evidence item

The geographical aggregation and selection result uses specified global germplasm and a separate Chinese cultivar/landrace series with explicit historical periods, not all wheat accessions or an undifferentiated global time series. MEASUREMENT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 25542

Source: An elite allele TaNPF7.6-A1mod enhances nitrogen use efficiency and grain yield in wheat · locator {} · excerpt hash sha256:8a018aada8edfe23b702f01b02c4f0dbe127cc43d3db4083404457e52ed67810

Exact excerpt

For global distribution, the study used the Watkins & Worldwide Wheat G2B database of 1,007 wheat accessions, comprising 188 modern cultivars and 819 A.E. Watkins landraces. For selection in Chinese breeding, 628 modern Chinese cultivars and 177 Chinese landraces were genotyped; TaNPF7.6-A1mod frequency was compared across periods before 1980, 1981–1990, 1991–2000, 2001–2010, and 2011–2020. The reported frequency rose from 22.22% before 1980 to 81.05% in 2011–2020 among the modern Chinese cultivars.

Linked claims

Claim	Direction	Relevance	Steps	Counted
33153e14	QUALIFY	DIRECT	0	yes

Audits

None.