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Maximum germination achieved for N. alopecuroidea for each treatment (flaming or seed cleaning) when tested on water-agar (“Treatment”) compared to each treatment when tested on KAR1-agar (“Treatment + KAR”). Error bars represent standard error of the mean. Asterisks “*” and “**” denote significance levels 0.05 and 0.01, respectively, and indicate a significant difference between the treatment and treatment + KAR1.
