Immediately after mixing the GR24 and each allelochemical,
triplicated aliquots of 100 μL for each of the 77 treatments were
applied in three replicated GFFP discs containing the
conditioned O. crenata seeds. Immediately, GFFP-treated
discs were placed in Petri dishes, sealed with Parafilm, and
incubated in the dark at 20 °C for 9 days to promote the
germination and radicle growth