Affiliation:
1. HATAY MUSTAFA KEMAL UNIVERSITY, FACULTY OF ARCHITECTURE
2. KAHRAMANMARAS SUTCU IMAM UNIVERSITY, FACULTY OF AGRICULTURE
Abstract
In this study, the pathogenicity of some entomopathogenic fungi on American cockroach Periplaneta americana (L.) adults and the effect of the most effective fungus isolate combined with boric acid on the virulence of the fungus were investigated in laboratory conditions. According to the results obtained from the experiments, the most effective isolate was found as Beauveria bassiana 5-4 and when it was used on insects, it caused 0%, 66.6% and 93.3% mortality at the dose of 0.1×109 conidia cm-2 at 72, 96 and 120 hours, respectively. This fungus also caused 0%, 20% and 20% mortality, respectively, at dose of 0.05×109 conidia cm-2 in the same time period. When boric acid was used on insects, it caused 6.6%, 40% and 66.6% mortality at dose of 1 mg cm-2 at 72, 96 and 120 hours, respectively. When 0.1×109 conidia cm-2 dose of B. bassiana 5-4 was used together with 1 mg cm-2 dose of boric acid, 33.3%, 60% and 93.3% mortality occurred at 72, 96 and 120 hours, respectively. When 0.05×109 conidia cm-2 dose of B. bassiana 5-4 was used together with 1 mg cm-2 dose of boric acid, 33.3%, 60% and 86.6% mortality occurred at 72, 96 and 120 hours, respectively. The results showed that the combined use of boric acid and B. bassiana 5-4 increased the virulence of the fungus at short exposure times (72 and 96 hours), but did not significantly affect the virulence of the fungus at long exposure times (120 hours and above).
Publisher
KSU Journal of Agriculture and Nature
Subject
General Earth and Planetary Sciences,General Engineering,General Environmental Science
Reference43 articles.
1. Artyukhina, I. N. & Evokimov, M. P. (1973). Duration of persistence in and excretion of Shigella flexeri and Shigella sonnei by Blattella germanica (L.) in individual dosed feedings (in Russian). Medical Parazitol Parazit Bol. 42(5), 602–606.
2. Ash, N. & Greenberg, B. (1980). Vector potential of the German cockroach (Dictyoptera: Blattellidae) in dissemination of Salmonella interitidis serotype typhimurium. Journal of Medical Entomology. 17(5), 417–423.
3. Barış, C. & Er, M. K. (2021). Examining Some Cereals for Mass Production of Beauveria bassiana (Balsamo) Vuillemin Conidia by Solid State Fermentation. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. 24(6), 1263-1270.
4. Baumholtz, M. A., Parish, L. C., Witkowski, J. A. & Nutting, W. B. (1997). The medical importance of cockroaches. International Journal of Dermatology. 36(2), 90–96.
5. Burgess, N. R., McDermott, S. M. & Whiting, J. (1973a). Aerobic bacteria occurring in the hindgut of the cockroach Blatta orientalis. Journal of Hygiene. 71(1), 1–7.