Marei, G., Abdelgaleil, S. (2019). Antibacterial and Biochemical Activities of Phenylpropenes and Monoterpenes on Phytopathogenic Bacteria. Journal of Plant Protection and Pathology, 10(2), 155-160. doi: 10.21608/jppp.2019.40916
Gehan I. Kh. Marei; S. A. M. Abdelgaleil. "Antibacterial and Biochemical Activities of Phenylpropenes and Monoterpenes on Phytopathogenic Bacteria". Journal of Plant Protection and Pathology, 10, 2, 2019, 155-160. doi: 10.21608/jppp.2019.40916
Marei, G., Abdelgaleil, S. (2019). 'Antibacterial and Biochemical Activities of Phenylpropenes and Monoterpenes on Phytopathogenic Bacteria', Journal of Plant Protection and Pathology, 10(2), pp. 155-160. doi: 10.21608/jppp.2019.40916
Marei, G., Abdelgaleil, S. Antibacterial and Biochemical Activities of Phenylpropenes and Monoterpenes on Phytopathogenic Bacteria. Journal of Plant Protection and Pathology, 2019; 10(2): 155-160. doi: 10.21608/jppp.2019.40916
Antibacterial and Biochemical Activities of Phenylpropenes and Monoterpenes on Phytopathogenic Bacteria
1Department of Plant Protection, Faculty of Agriculture, Damanhour University, Damanhour 22516, Egypt
2Department of Pesticide Chemistry and Technology, Faculty of Agriculture, El-Shatby, Alexandria University, Alexandria 21545, Egypt
Abstract
In the present study, six monoterpenes and twophenylpropenes were evaluated for their antibacterial effect against three phytopathogenic bacteria, Agrobacterium tumefaciens, Ralstonia solanacearum and Erwinia carotovora var. carotovora. The inhibitory effects of these compounds on polygalacturonase and dehydrogenases activities were also tested. The results revealed that trans-cinnamaldehyde, (-)-citronellal, (-)-terpinen-4-ol had the highest antibacterial activity against A. tumefaciens. Their minimum inhibitory concentration (MIC) values were 1000, 1500 and 1500 mg/l, respectively. Similarly, trans- cinnamaldehyde (MIC = 2000 mg/l), and (-)-citronellal (MIC = 2000 mg/l) were the highest activity compounds against E. carotovora var. carotovora. Moreover, (-)-citronellal caused the greatest antibacterial effect against R. solanacearum with MIC value of 1000 mg/l. Further, trans- cinnamaldehyde showed the highest inhibitory effects on polyglacturonase and dehydrogenases activities of A. tumefaciens, while (-)-citronellal represented the most potent effect of inhibition on polyglacturonase and dehydrogenases activities of E. carotovora var. carotovora and R. solanacearum.
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