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Size fractionation of antibacterial molecule(s) from leaf exudate (LE). Extracted solution was divided into two samples from < 10 kDa and < 5 kDa using membrane filters. The two fractions were then examined for their antimicrobial activity on Xav (A) and Xag (B). Colonies of Xav and Xag were counted 1 day after incubation in extracted solution. Different letters indicate a significant difference between treatments (P = 0.05).
