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Table 2 Correlation matrix between pH, EC, and GI (48 and 144 h) for BSG 1:25, FPR 1:100, and LPR 1:200 aqueous extracts

From: Extraction and characterization of bio-effectors from agro-food processing by-products as plant growth promoters

   GI (48 h) GI (144 h)
BSG pH 0.72 Nd
EC −0.86 Nd
FPR pH −0.76 −0.75
EC −0.85 −0.85
LPR pH 0.92 0.89
EC −0.40 −0.71
  1. GI, germination index at 48 h and 144 h; BSG, brewers spent grain; FPR, fennel processing residues; LPR, lemon processing residues; Nd, not determined.
  2. Values in bold indicate significant P = 0.05 (two-tailed test).