ANTAGONISTIC EFFECTS OF TRICHODERMA SPECIES ON PHYTOPHTHORA CAPSICI, THE CAUSAL AGENT OF PEPPER ROOT AND CROWN ROT

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BEHBOUDI K.; SHARIFI TEHRANI A.; HEJAROUD GH.A.; ZAD S.J.

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Journal: IRANIAN JOURNAL OF PLANT PATHOLOGY Year:2005 | Volume:41 | Issue:3 Page(s): 345-362

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Title

ANTAGONISTIC EFFECTS OF TRICHODERMA SPECIES ON PHYTOPHTHORA CAPSICI, THE CAUSAL AGENT OF PEPPER ROOT AND CROWN ROT

Author(s)

BEHBOUDI K. | SHARIFI TEHRANI A. | HEJAROUD GH.A. | ZAD S.J. | Issue Writer Certificate

Keywords

PEPPERQ3

BIOLOGICAL CONTROLQ3

TRICHODERMA SPECIESQ4

PHYTOPHTHORA CAPSICIQ3

Abstract

Antagonist effects of 24 isolates of Trichoderma were used on Phytophthora capsid. Twelve of the isolates were recovered from Karaj and Varamin and the rest supplied by several sources. Five isolates were shown to be effective on P. capsid using dual culture technique. Macroscopic examination of TRICHODERMA SPECIES challenged with P. capsid revealed that all isolates inhibited advancing, establishing, sporulating and growth of the pathogenic fungus. Regarding the speed of colonization, T.viride (T.v3 and T.vI2) and T.virens (T.vS) colonized P. capsid faster than two other isolates. T. koningii (T.k19) rated second and T. harzianum (T.h2) was the least colonizer. Microscopic studies of TRICHODERMA SPECIES on the fungus showed that antagonistic hyphae made hyphal contact then grew parallel to the hyphae of pathogenic fungus and finally lysed them. Volatile metabolites emitted from all isolates inhibited growth of P.capsici and inhibitory effects of T.vS was more compared with the other isolates and inhibited the pathogen 100 percent. 25 percent concentration of non-volatile metabolites of T.viride (T.v3), T.h2, TvS, Tv12 and T.k19 inhibited the pathogen 100, 83.3, 72, 65, 4 and 60.7 percent, respectively. In greenhouse condition, applying colonized bran inocula of T.virens (T.vS), T.viride (T.vI2), T.harzianum (T.h2), T.Koningii (T.kI9) and T.viride (T.v3) caused 40, 30, 30, 20 and 15 percent reduction in PEPPER mortality, respectively.

Cites

EVALUATION OF BIOLOGICAL CONTROL POTENTIAL TRICHODERMA SPECIES AGAINST OF TOBACCO COLLAR ROT IN MAZANDARAN PROVINCE

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APA: Copy

BEHBOUDI, K., SHARIFI TEHRANI, A., HEJAROUD, GH.A., & ZAD, S.J.. (2005). ANTAGONISTIC EFFECTS OF TRICHODERMA SPECIES ON PHYTOPHTHORA CAPSICI, THE CAUSAL AGENT OF PEPPER ROOT AND CROWN ROT. IRANIAN JOURNAL OF PLANT PATHOLOGY, 41(3), 345-362. SID. https://sid.ir/paper/48361/en

Vancouver: Copy

BEHBOUDI K., SHARIFI TEHRANI A., HEJAROUD GH.A., ZAD S.J.. ANTAGONISTIC EFFECTS OF TRICHODERMA SPECIES ON PHYTOPHTHORA CAPSICI, THE CAUSAL AGENT OF PEPPER ROOT AND CROWN ROT. IRANIAN JOURNAL OF PLANT PATHOLOGY[Internet]. 2005;41(3):345-362. Available from: https://sid.ir/paper/48361/en

IEEE: Copy

K. BEHBOUDI, A. SHARIFI TEHRANI, GH.A. HEJAROUD, and S.J. ZAD, “ANTAGONISTIC EFFECTS OF TRICHODERMA SPECIES ON PHYTOPHTHORA CAPSICI, THE CAUSAL AGENT OF PEPPER ROOT AND CROWN ROT,” IRANIAN JOURNAL OF PLANT PATHOLOGY, vol. 41, no. 3, pp. 345–362, 2005, [Online]. Available: https://sid.ir/paper/48361/en

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