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ELASSIUTY, E., RIZK, M., IBRAHIM, A. (2009). ANTIMICROBIAL ACTIVITY OF SUGARBEET PHYLLOSPHERIC MICROORGANISMS AGAINST CERCOSPORA BETICOLA SACC.. Egyptian Journal of Agricultural Research, 87(4), 879-890. doi: 10.21608/ejar.2009.198415
ELHAMY M. ELASSIUTY; MOHAMED A. RIZK; AHMED E. IBRAHIM. "ANTIMICROBIAL ACTIVITY OF SUGARBEET PHYLLOSPHERIC MICROORGANISMS AGAINST CERCOSPORA BETICOLA SACC.". Egyptian Journal of Agricultural Research, 87, 4, 2009, 879-890. doi: 10.21608/ejar.2009.198415
ELASSIUTY, E., RIZK, M., IBRAHIM, A. (2009). 'ANTIMICROBIAL ACTIVITY OF SUGARBEET PHYLLOSPHERIC MICROORGANISMS AGAINST CERCOSPORA BETICOLA SACC.', Egyptian Journal of Agricultural Research, 87(4), pp. 879-890. doi: 10.21608/ejar.2009.198415
ELASSIUTY, E., RIZK, M., IBRAHIM, A. ANTIMICROBIAL ACTIVITY OF SUGARBEET PHYLLOSPHERIC MICROORGANISMS AGAINST CERCOSPORA BETICOLA SACC.. Egyptian Journal of Agricultural Research, 2009; 87(4): 879-890. doi: 10.21608/ejar.2009.198415

ANTIMICROBIAL ACTIVITY OF SUGARBEET PHYLLOSPHERIC MICROORGANISMS AGAINST CERCOSPORA BETICOLA SACC.

Article 2, Volume 87, Issue 4, December 2009, Page 879-890  XML PDF (345.13 K)
Document Type: Original Article
DOI: 10.21608/ejar.2009.198415
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Authors
ELHAMY M. ELASSIUTY1; MOHAMED A. RIZK2; AHMED E. IBRAHIM2
1Plant Pathology Research Institute, Agricultural Research Center, Giza, Egypt.
2Faculty of Science, Cairo University, Giza, Egypt
Abstract
Screening some epiphytic microorganisms isolated from the phyllosphere of sugar beet plants for their potential antagonism against Cercospora beticola revealed a high potency of one isolate of each of Pseudomonas fluorescens, P.aureginosa, Bacillus subtilis, Streptomyces albidoflavus, S.lavandulae and S. griseoviridis. One isolate of P.putida showed moderate inhibitory effect. Among fungi, one isolate of Trichoderma harzianum exhibited moderate inhibitory activity. Some isolates were weak inhibitors. Isolates were evaluated for their ability to elaborate secondary metabolites, such as HCN, IAA, siderophores, and some hydrolytic enzymes such as chitinase, lipase, pectinase, protease and cellulose.
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