Journals / Türk Tarım ve Doğa Bilimleri Dergisi / 2014 / Cilt: 1 - Sayı: 4

Occurrence and Distribution of Entomopathogenic Nematodes (Steinernematidae and Heterorhabditidae) in Ordu Province, Turkey

Ordu ilinde Entomopatojenik Nematodlar (Steinernematidae and Heterorhabditidae)’ın Varlığı ve Dağılımları

Pages
469–480
Publication Date
2014-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

H. bacteriophora was only found in a corn field while Steinernema species were present in hazelnut orchard, forest, potato field, rangeland and wheat field.

📌 3 Key Takeaways

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Objective & Hypothesis:During 2009-2010, a survey was conducted to investigate the presence of entomopathogenic nematodes (EPNs) and to characterize the species in Ordu province, Turkey.
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Key Findings & Data:In total, 156 soil samples were collected randomly from different cultivated and non-cultivated areas.
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Conclusion & Impact:H. bacteriophora was only found in a corn field while Steinernema species were present in hazelnut orchard, forest, potato field, rangeland and wheat field.
🔬Design:Survey & Empirical Study
📍Scope:2009-2010 Verileri
⚙️Variables:Heterorhabditis bacteriophora · ITS · Steinernema feltiae

Abstract

During 2009-2010, a survey was conducted to investigate the presence of entomopathogenic nematodes (EPNs) and to characterize the species in Ordu province, Turkey. In total, 156 soil samples were collected randomly from different cultivated and non-cultivated areas. Soil samples were tested for the presence of Steinernematid and Heterorhabditid nematodes by baiting with Galleria mellonella larvae. From the total of 156 soil samples, 8 (5.1%) samples tested were found positive for the presence of EPNs, containing the genera Steinernema and Heterorhabditis. Morphological characterization and sequence analysis of the ITS regions of ribosomal DNA allowed the identification of EPN isolates. Four Steinernema spp. were recovered including S. feltiae, S. carpocapsae, S. kraussei and one new undescribed species. Among the Steinernematids, S. feltiae was found the most common species. Heterorhabditis bacteriophora was the only Heterorhabditid recovered during this survey. H. bacteriophora was only found in a corn field while Steinernema species were present in hazelnut orchard, forest, potato field, rangeland and wheat field.

Özet

Ordu ilinde entomopatojenik nematodların (EPNs) varlığını ve bulunan türlerin özelliklerini ortaya çıkarmak için 2009-2010 yıllarında bir sürvey yapılmıştır. Farklı ürünlerin yetiştirildiği alanlardan ve kültür yapılmayan alanlardan rastgele toplam 156 toprak örneği toplanmıştır. Toprak örneklerindeki Steinernematid ve Heterorhabditid nematodların varlığı Galleria mellonella larvalarının kullanıldığı tuzak böcek yöntemi ile tespit edilmiştir. Toplam incelenen 156 örnekten 8 (%5.1) tanesi Steinernema ve Heterorhabditis cinslerine ait entomopatojen nematodlar yönünden pozitif olarak bulunmuştur. EPN izolatlarının teşhisi morfolojik karekterler ve ribozomal DNA’nın ITS bölgesinin sekans analizi yapılarak sağlanmıştır. Steinernema feltiae, Steinernema carpocapsae, Steinernema kraussei ve bir tane teşhis edilemeyen 4 tür bulunmuştur. Steinernematid nematodlar arasında en yaygın tür Steinernema feltiae bulunmuştur. Yapılan surveyde Heterorhabditid tür olarak sadece Heterorhabditis bacteriophora tespit edilmiştir. Steinernema türleri fındık bahçelerinde, ormanlarda, patates alanlarında, meralarda ve buğday alanlarında bulunabilirken Heterorhabditis bacteriophora yalnızca mısır yetiştirilen alanlarda bulunmuştur.

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Cite This Article

ERTÜRK, Ö., USTAOĞLU, F., AKYAZI, F. (2014). Occurrence and Distribution of Entomopathogenic Nematodes (Steinernematidae and Heterorhabditidae) in Ordu Province, Turkey. Türk Tarım ve Doğa Bilimleri Dergisi, Cilt: 1 - Sayı: 4, 469–480. https://ajindex.com/articles/706501

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