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Effect of five pure compounds obtained from R. capillus-albis solid culture on juvenile plants of B. tectorum when tested at 10−4 M in a juvenile plant immersion bioassay against a methanol solvent control. Symptoms were scored at 10 days on an approximately linear scale from 0 (no visible damage) to 5 (complete mortality). Bars headed by the same letter (a or b) are not significantly different at p < 0.05 according to a means separation test from analysis of variance.
