[Effect of some plant extracts on growth inhibition of Macrophomina phaseolina]

ABSTRACT

The study showed that water extracts of plants, such as, Azadirachta indica, Thevetia neirefolia, Citrullus colonynthis, Datura stramonium, Neriutn oleander, Eucalyptus camaldulensis, save effect on growth of the M. phaseolina, the causative factor of charcoal root rot on Sesame Sesnium indicum. The results showed the efficiency of all treatments compared with control. The highest effect was given by T. neirefolia extract as 0.7 cm fungus growth inhibition, while the lowest was given by T. camaldulensis extract as 3.9 cm Water extracts of plants oil of Azadirachta indica, Thevetia neirefolia, Citrullus colonynthis and Datura stramonium at consentration of 1,5 and 10% were tested. The lowest growth inhibition was given by D. stramonium extract [4.2 cm] and the highest effect was that given by A. indica [2 cm] at concentration of 10%. Extracts of T neirefolia, showed only 77.8% growth inhibition