Abstract
The genus Stachys L. (Lamiaceae) includes about 300 species as annual or perennial herbs or small shrubs, spread in temperate regions of Mediterranean, Asia, America and southern Africa. Stachys sp has antioxidant activity and destroys free radicals. Antifungal effects of methanolic extracts of four different types of Stachys on several bacteria and yeasts were recorded. This study was conducted to evaluate the effect of the alcoholic and aqueous extract of Stachys sp. on the growth and spore viability of Fusarium solani and the results revealed that the extract affect the daily growth of Fusarium solani and the effect was increased with the increasing the concentration. The lowest rate of daily growth was recorded in the case alcohol extract which was 0.203cm at the concentration 25% while the highest one was 0.537cm at the concentration 6.25% as compared with the control 1.00cm. The aqueous and alcohol extract of Stachys sp suppressed the spore production (sporogenesis) of Fusarium significantly as compared with the control and the effect increased with the increasing of concentration.
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