Paper Information

Title: 

BIOLOGICAL CONTROL OF STREPTOMYCES SCABIES AND S. ACIDISCABIES, THE MAJOR CAUSAL AGENTS OF POTATO COMMON SCAB IN IRAN BY USE OF STREPTOMYCES ANTAGONISTS

Type: PAPER
Author(s): KALANTARZADEH M.*,SHAHIDI BONJAR GH.H.*,RASHID FAROKHI P.,GHASEMI A.,AGHIGHI S.,MAHDAVI M.J.
 
 *DEPARTMENT OF PLANT PATHOLOGY, COLLEGE OF AGRICULTURAL SCIENCES, BAHONAR UNIVERSITY OF KERMAN
 
Name of Seminar: NATIONAL CONGRESS OF BIOTECHNOLOGY OF IRAN
Type of Seminar:  CONGRESS
Sponsor:  IRANIAN BIOTECHNOLOGY ASSOCIATION
Date:  2005Volume 4
 
 
Abstract: 

Antagonistic activity of 174 soil Actinomycete isolates were assayed against (Streptomyces scabies and S. acidiscabies), the two major phytopathogens which induce potato scab in potato growing areas of Iran. From tested isolates, (S. olivaceus, srtain 115) and (S. plicatus, strain 101) showed high anti-scab activity revealed by bioassays in agar disk and well diffusion methods. For further biological characterizations, the active strains were grown in submerged cultures to determine growth curve and prepare crude extracts. Preliminary greenhouse studies indicated that amending soil with the (S. olivaceus, srtain 115) and (S. plicatus strain 101) reduce crop losses due to the pathogens. Antibacterial activities of both antagonists were of bactericidal type on both pathogens with complete inhibitory effects.

 
Keyword(s): STREPTOMYCES SCABIES, STREPTOMYCES ACIDISCABIES, STREPTOMYCES OLIVACEUS, STREPTOMYCES PLICATUS
 
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