BIOASSAY OF SOME IRANIAN STRAINS OF BACILLUS THURINGIENSIS (BACTERIA: BACILLACEAE) AGAINST HELICOVERPA ARMIGERA (LEP.: NOCTUIDAE)

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IZADYAR S.; ASKARI H.; TALEBI JAHROMI KH.; REZAPANAH M.R.

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Journal: Applied Entomology and Phytopathology Year:2005 | Volume:73 | Issue:1 Page(s): 93-104

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Title

BIOASSAY OF SOME IRANIAN STRAINS OF BACILLUS THURINGIENSIS (BACTERIA: BACILLACEAE) AGAINST HELICOVERPA ARMIGERA (LEP.: NOCTUIDAE)

Author(s)

IZADYAR S. | ASKARI H. | TALEBI JAHROMI KH. | REZAPANAH M.R. | Issue Writer Certificate

Keywords

BACILLUS THURINGIENSISQ4

BIOASSAYQ4

BIOLOGICAL VARIATIONQ4

HELICOVERPA ARMIGERAQ4

IRANIAN ISOLATESQ4

Abstract

This study was carried out to detect BIOLOGICAL VARIATIONs of IRANIAN ISOLATES of B. thuringiensis collected by standard methods from different regions of Iran. Experiments were fulfilled using twelve IRANIAN ISOLATES and DipelÒ as a standard B.t. product on Helicoverpa amligera reared on artificial diet. The evaluation was conducted on 4 days old larvae under laboratory controlled conditions in a randomized complet design consisting 14 treatments each replicated 3 times. Larval mortality was evaluated after 3, 7 and 13 days. The results indicated significant difference among pathogenicity of the isolates. Some of them were in same group with Dipel. LC50 of isolate 6R (as more effective isolate) and Dipel were estimated 6x106 and 8x106 CFU per milliliter, respectively. LT50 of larvae was 3.37, 3.81, 4.05, 4.41, 4.85 and 27.2 days for isolates Dh11, Dipel, 6R, 3R, 4T and Krm23, respectively.

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APA: Copy

IZADYAR, S., REZAPANAH, M.R., ASKARI, H., & TALEBI JAHROMI, KH.. (2005). BIOASSAY OF SOME IRANIAN STRAINS OF BACILLUS THURINGIENSIS (BACTERIA: BACILLACEAE) AGAINST HELICOVERPA ARMIGERA (LEP.: NOCTUIDAE). APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, 73(1), 93-104. SID. https://sid.ir/paper/13126/en

Vancouver: Copy

IZADYAR S., REZAPANAH M.R., ASKARI H., TALEBI JAHROMI KH.. BIOASSAY OF SOME IRANIAN STRAINS OF BACILLUS THURINGIENSIS (BACTERIA: BACILLACEAE) AGAINST HELICOVERPA ARMIGERA (LEP.: NOCTUIDAE). APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY[Internet]. 2005;73(1):93-104. Available from: https://sid.ir/paper/13126/en

IEEE: Copy

S. IZADYAR, M.R. REZAPANAH, H. ASKARI, and KH. TALEBI JAHROMI, “BIOASSAY OF SOME IRANIAN STRAINS OF BACILLUS THURINGIENSIS (BACTERIA: BACILLACEAE) AGAINST HELICOVERPA ARMIGERA (LEP.: NOCTUIDAE),” APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, vol. 73, no. 1, pp. 93–104, 2005, [Online]. Available: https://sid.ir/paper/13126/en

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