Molecular Characterization and Virulence of Beauveria spp. from the Pine Processionary Moth, Thaumetopoea pityocampa (Lepidoptera: Thaumetopoeidae)

Sevim, Ali; Demir, İsmail; Demirbağ, Zihni

doi:10.1007/s11046-010-9321-6

Cited by 46 publications

(32 citation statements)

References 28 publications

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“…& Schiff.) (Lepidoptera: Thaumetopoeidae), which are important forest pests in Europe, including Turkey (Sevim et al 2010a(Sevim et al , 2010b. Based on these studies, there is potential that B. bassiana KTU -24 could be used as a biocontrol agent against a number of forest pests based on its high virulence on different forest pests in Turkey.…”

Section: Discussionmentioning

confidence: 99%

“…After 2 days, healthy adults and last instar nymphs were separated and used for bioassays. (Sevim et al 2010a(Sevim et al , 2010c. However, M. anisopliae isolates were only identified by morphology and were therefore referred to as M. anisopliae sensu lato.…”

Section: Collection Of Insectsmentioning

confidence: 99%

“…and Metarhizium anisopliae sensu lato as biological control agents (for inundation and inoculation biological control) to be applied in agriculture and forestry in temperate regions (Meyling and Eilenberg 2007). Up to now, the entomopathogenic fungus B. bassiana has been extensively used for the control of many important pests of various crops around the world and it has been tested on different target insects, both under laboratory and field conditions (Campbell et al 1985;Leathers and Gupta 1993;Lacey et al 1994;Todorova et al 2002;Askary and Yarmand 2007;Cottrell and Shapiro-Ilan 2008;Tunaz et al 2008;Sevim et al 2010a;2010b;2010c;Tanyeli et al 2010). Entomopathogenic fungi differ from other insect pathogens since they are able to infect through the host's integument.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of entomopathogenic fungi against the sycamore lace bug, Corythucha ciliata (Say) (Hemiptera: Tingidae)

Sevim¹,

Demir²,

Sönmez³

et al. 2013

Turk J Agric For

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IntroductionCoastal zones, considered to be a valuable economic and environmental resource for human and marine habitats, are the most dynamic natural environment of any region on earth. Changes in the ocean-climate system and increasing human activities in these regions make the coastal areas more susceptible to natural hazards and more costly to live in. One of the most serious problems is the accelerated sea level rise and its resulting physical impacts on the coastal zones. Any rise in the mean sea level may result in the retreat of unprotected coastlines due to coastal inundation, erosion, and increased storm flooding (Nicholls et al. 1995). As emphasized in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR4), the global sea level rose by 1.8 to 3.1 mm/year during the last century and present estimates of future rise range from 18 cm to 59 cm by the year 2100 (Solomon et al. 2007). Low lying areas such as beach ridges, coastal plains, deltas, estuaries, lagoons, and bays would be the areas that would suffer the most as a result of the enhanced sea level rise. Thus, it is essential to quantify the response of coastal systems to sea level change, as well as to assess the potential threats posed to human and marine biodiversity.A near global comparative analysis by Dasgupta et al. (2007) regarding the impact of permanent inundation due to sea level rise on 84 developing countries revealed that hundreds of millions of people in the developing world are likely to be displaced by a sea level rise of 1 to 5 m within this century. Accompanying economic and ecological damage will be severe for many. Approximately 0.3% (194,000 km 2 ) of the territory of the 84 developing countries would be impacted by a 1-m rise. This would increase to 1.2% in areas where the sea level rose 5 m. Nearly 56 million people (approximately 1.28% of the population) in these countries would be impacted under a 1-m rise scenario. This would increase to 89 million people for 2 m and 245 million people (approximately 5.57%) for a 5-m rise. The impact of sea level rise on gross domestic product (GDP) is slightly greater than the impact on population, because GDP per capita is generally above average for coastal populations and cities. Wetlands would experience significant impact even with a 1-m rise. Up to 7.3% of wetlands in the 84 countries would be impacted Abstract: With the rising sea level becoming a more pressing issue to coastal areas, a comprehensive analysis has been conducted to assess the vulnerability of the Çukurova Delta under the projected inundation by the end of the century. The level of inundation was estimated from a multimission satellite altimetry sea level anomaly and significant wave height data between September 1992 and February 2012. Superposed to the clear annual oscillation with 6.2 cm amplitude peaking around the beginning of October, the mean sea level signal exhibits a positive trend of 3.4 ± 0.1 mm/year over the altimetric data period. The extreme wave height with a 100-year ...

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Section: Discussionmentioning

confidence: 99%

Section: Collection Of Insectsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evaluation of entomopathogenic fungi against the sycamore lace bug, Corythucha ciliata (Say) (Hemiptera: Tingidae)

Sevim¹,

Demir²,

Sönmez³

et al. 2013

Turk J Agric For

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“…Among these isolates, M. anisopliae KTU-27 caused moderately high mortality on adults of D. micans (Sevim et al, 2010c). Moreover, this isolate caused 86.6% mortality against larvae of Melolontha melolontha (Linnaeus, 1758), which is important hazelnut and forest pest (Sevim et al, 2010a). All these studies indicate that M. anisopliae KTU-27 might be a good biocontrol agent against a variety of pest species in Turkey.…”

Section: Disscussionmentioning

confidence: 88%

Virulence of entomopathogenic fungi against Plagiodera versicolora (Laicharting, 1781) (Coleoptera: Chrysomelidae)

Demir¹,

Seda²,

Emine³

et al. 2013

Afr. J. Agric. Res.

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The willow leaf beetle, Plagiodera versicolora (Laicharting, 1781), is one of the most destructive pests of many Salix and Populus species worldwide. A total of 12 entomopathogenic fungi including Beauveria bassiana (Bals.) Vuill., B. cf. bassiana, Metarhizium anisopliae (Metch) Sorok, and Isaria fumosorosea (Wize) (formerly Paecilomyces fumosoroseus) were tested against the larvae of this pest under laboratory conditions in order to find any possible fungal biocontrol agent against it. A conidial concentration of 1 × 10 7 conidia ml -1 for each isolate was applied to third instar larvae of the pest. Among tested fungal isolates, the highest mortality was obtained as 100% from B. bassiana KTU-57 within 14 days after inoculation (p < 0.05). This isolate also caused the highest mycosis value (83%) (p < 0.05). It was selected for dose-response test according to the screening test, and lethal concentration at 50% (LC 50 ) value of the fungus on the larvae of the pest was calculated as 1.03 × 10 5 conidia ml -1 based on probit analysis. Consequently, B. bassiana KTU-57 appears to be a significant promising isolate against the willow leaf beetle as a possible biocontrol agent.

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“…After adequate conidiation, conidia were harvested by scraping the surface of the cultures after adding 10 ml of 0.01% Tween 80. The obtained conidial suspensions were filtered through two layers of sterile muslin into 50 ml plastic tubes (Becton-Dickinson Falkon) and were shaken for 5 min by using a vortex to homogenate the conidial suspensions (Sevim et al 2010b). Concentrations of the conidial suspension were adjusted to 1 × 10 7 conidium ml −1 by using an improved Neubauer haemocytometer.…”

Section: Bioassay Experiments For Insecticidal Activitymentioning

confidence: 99%

Investigation of the internal bacterial flora of Eurygaster integriceps (Hemiptera: Scutelleridae) and pathogenicity of the flora members

Çelebi

Sevim

2014

Biologia

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Eurygaster integriceps (Hemiptera: Scutelleridae) is one of the most serious pest of wheat and other cereal crops throughout the Near and Middle East including Turkey. To contribute biological control of this pest, we investigated the culturable bacterial flora of E. integriceps and their virulence against it. We also tested different entomopathogenic fungi (Isaria fumosorosea ARSEF8356, Beauveria bassiana ARSEF8356, Metarhizium brunneum ARSEF8671 and Nomurae rileyi ARSEF1670) against this pest under laboratory conditions. Bacterial isolates were characterized based on morphological, biochemical, physiological and molecular characteristics (16S rRNA sequencing). The isolates were identified as Pantoea sp. (S1, S5, S7, S8, S10 and S11), P. agglomerans (S2, S3 and S4), Pseudomonas sp. S6 and Micrococcus luteus S9. The highest mortality within bacterial isolates was observed from Pantoea sp. S1, P. agglomerans S4 and Pantoea sp. S7 with 100%. Mortality of other bacterial species ranged from 33% to 88%. The highest mortality among the tested entomopathogenic fungi was obtained from Isaria fumosorosea ARSEF 8333 with 100%. Mortality of other fungi ranged from 33% to 50%. Consequently, Pantoea sp. S1, P. agglomerans S4, Pantoea sp. S7, Beauveria bassiana ARSEF 8356 and Isaria fumosorosea ARSEF 8356 seem to be promising candidates in the control of E. integriceps.

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Molecular Characterization and Virulence of Beauveria spp. from the Pine Processionary Moth, Thaumetopoea pityocampa (Lepidoptera: Thaumetopoeidae)

Cited by 46 publications

References 28 publications

Evaluation of entomopathogenic fungi against the sycamore lace bug, Corythucha ciliata (Say) (Hemiptera: Tingidae)

Evaluation of entomopathogenic fungi against the sycamore lace bug, Corythucha ciliata (Say) (Hemiptera: Tingidae)

Virulence of entomopathogenic fungi against Plagiodera versicolora (Laicharting, 1781) (Coleoptera: Chrysomelidae)

Investigation of the internal bacterial flora of Eurygaster integriceps (Hemiptera: Scutelleridae) and pathogenicity of the flora members

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