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Table 1 Phenotypic correlation coefficients (r) among traits evaluated in the RILs under low-P condition in nutrient solution

From: Multiple interval QTL mapping and searching for PSTOL1 homologs associated with root morphology, biomass accumulation and phosphorus content in maize seedlings under low-P

Traits RL SA2 RD R:S TDW Pcont
SA 0.98** 0.80** −0.48** −0.38** 0.86** 0.39**
RL   0.69** −0.62** −0.38** 0.79** 0.31**
SA2    0.03 −0.29** 0.77** 0.48**
RD     0.26** −0.25** 0.14
R:S      −0.43** −0.02
TDW       0.58**
  1. Traits: root surface area (SA), root length (RL), surface area of fine roots (SA2), root diameter (RD), root:shoot dry weight ratio (R:S), total seedling dry weight (TDW), and total P content (Pcont)
  2. Correlation coefficients followed by ** are significant at p < 0.01