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Figure 2

From: Population structure and genome-wide association studies in bread wheat for phosphorus efficiency traits using 35 K Wheat Breeder’s Affymetrix array

Figure 2

Biplots at (A) sufficient (42.2 mg P kg−1 soil), and (B) low (2.67 mg P kg−1 soil) phosphorus. The subpopulations C1, C2 and C3 were derived based on the SNP markers. Abbreviations: TBM, total biomass per plant; GWP, grain weight per plant; SPP, shoot P percentage; SPU, Shoot P uptake; GPP, grain P percentage; GPU, grain P uptake; TPU, total P uptake; PHI, P harvest index; PAE, P acquisition efficiency; PUE, P use efficiency; PSSI, P stress susceptibility index.

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