Table 2.

Treatment description of antibacterial assay experiment.

Treatments	Treatment type
	Plant extracts Conc. 100 mg/mL
Treatment 1	Pelargonium zonale leaves
Treatment 2	Psidium guajava leaves
Treatment 3	Tarchonanthus camphoratus leaves
Treatment 4	Moringa oleifera leaves
Treatment 5	Moringa oleifera seeds
	Positive controls at commercial rates
Treatment 6	ENRICH BM (Bronopol 27 %w/w)
Treatment 7	KOBE 1.2 SL (Chrysophanol 12 g/l)
	Negative controls
Treatment 8	Distilled water
Treatment 9	1 % DMSO

Positive control comprised registered conventional bactericide (ENRICH BM (Bronopol 27 %w/w)) and botanical (KOBE 1.2 SL (Chrysophanol 12 g/l)) form management bacterial wilt of potatoes at commercial rates. BM (Bronopol 27 %w/w) was sourced from Osho Chemical Industries Limited while KOBE 1.2 SL (Chrysophanol 12 g/l) was sourced from Amiran Kenya limited. Negative control comprised distilled water and 1 % Dimethlysulfoxide (DMSO).