EFFECT OF C AND N SOURCE ON THE GROWTH AND ANTIFUNGAL ACTIVITY OF BACILLUS SUBTILIS BS AGAINST PYTHIUM APHANIDERMATUM

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SAFARI ASL F.; ROUHANI H.; FALAHATI RASTEGAR M.; JAHANBAKHSH V.

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Journal: Iranian Plant Protection Research Year:2010 | Volume:24 | Issue:1 Page(s): 53-61

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Title

EFFECT OF C AND N SOURCE ON THE GROWTH AND ANTIFUNGAL ACTIVITY OF BACILLUS SUBTILIS BS AGAINST PYTHIUM APHANIDERMATUM

Author(s)

SAFARI ASL F. | ROUHANI H. | FALAHATI RASTEGAR M. | JAHANBAKHSH V. | Issue Writer Certificate

Keywords

BACILLUS SUBTILISQ3

PYTHIUM APHANIDERMATUMQ3

ANTIFUGAL ACTIVITYQ3

BIOLOGICAL CONTROLQ2

CARBON AND NITROGEN SOURCESQ3

CULTURE MEDIAQ3

Abstract

The source of carbon and nitrogen in CULTURE MEDIA affect considerably the growth rate and antifungal activity of antagonistic microorganisms. For this purpose, the effect of 40 liquid CULTURE MEDIA containing different sources of C and N, were studied on the growth rate and on the antifungal activity of BACILLUS SUBTILIS BS on PYTHIUM APHANIDERMATUM. The Source of C and N were: glucose, molasses, starch, peptone, extract of: yeast, soy meal, potato, rice and wheat shell. The growth rate of isolate was determined after 48h with the hemacytometer. The antifungal activity of CULTURE MEDIA (containing bacteria and metabolites) was evaluated on the colony diameter of P. aphanidermatum on 2% water agar in comparison with control (no containing the bacteria) The experiment was perfected in completely randomized design with 40 treatments and 3 replicates.The results showed that the growth rate of bacteria in different CULTURE MEDIA were significantly different (P³1%). Among those, the potato-soybean (PSB) and potato-soybean+MnSo4 (PSBZ) media with 2.46×109 and 2.27×109 bacteria/ml respectively were determined as the best CULTURE MEDIA. The same CULTURE MEDIA showed also the more effective antifungal activity, they reduced the colony diameter of P. aphanidermatum at the rate of 90.74 and 82.59% relative to control respectively. It can be resulted that the CULTURE MEDIA: potato-soybean with and without MnSo4 are the most favorable media for the both: growth rate and antifungal activity of B. subtilis BS against P. aphanidermatum.

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APA: Copy

SAFARI ASL, F., ROUHANI, H., FALAHATI RASTEGAR, M., & JAHANBAKHSH, V.. (2010). EFFECT OF C AND N SOURCE ON THE GROWTH AND ANTIFUNGAL ACTIVITY OF BACILLUS SUBTILIS BS AGAINST PYTHIUM APHANIDERMATUM. IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION), 24(1), 53-61. SID. https://sid.ir/paper/142703/en

Vancouver: Copy

SAFARI ASL F., ROUHANI H., FALAHATI RASTEGAR M., JAHANBAKHSH V.. EFFECT OF C AND N SOURCE ON THE GROWTH AND ANTIFUNGAL ACTIVITY OF BACILLUS SUBTILIS BS AGAINST PYTHIUM APHANIDERMATUM. IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION)[Internet]. 2010;24(1):53-61. Available from: https://sid.ir/paper/142703/en

IEEE: Copy

F. SAFARI ASL, H. ROUHANI, M. FALAHATI RASTEGAR, and V. JAHANBAKHSH, “EFFECT OF C AND N SOURCE ON THE GROWTH AND ANTIFUNGAL ACTIVITY OF BACILLUS SUBTILIS BS AGAINST PYTHIUM APHANIDERMATUM,” IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION), vol. 24, no. 1, pp. 53–61, 2010, [Online]. Available: https://sid.ir/paper/142703/en

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