TY - JOUR T1 - Effects of some commonly used biopesticides on the survival and virulence of native entomopathogenic nematode isolates TT - Yaygın olarak kullanılan bazı biyopestisitlerin yerel entomopatojen nematod izolatlarının hayatta kalma ve virülensliği üzerindeki etkileri AU - Yüksel, Ebubekir AU - Canhılal, Ramazan PY - 2020 DA - June DO - 10.31019/tbmd.620137 JF - Türkiye Biyolojik Mücadele Dergisi JO - Türk. biyo. müc. derg PB - Türkiye Biyolojik Mücadele Derneği WT - DergiPark SN - 2146-0035 SP - 35 EP - 41 VL - 11 IS - 1 LA - en AB - The compatibility of theuse of native Turkish entomopathogenic nematode (EPN) isolates, Heterorhabditis bacteriophora FLH-4H(Poinar, 1975) (Rhabditida: Heterorhabditidae), Steinernema carpocapsae KCS-4S (Weiser, 1955) (Rhabditida:Steinernematidae) and Steinernema feltiaeKMP-9S (Filipjev, 1934), with two biopesticides, 40 g/ L Azadirachtin and 480g/ L Spinosad, was investigated under laboratory conditions. The effects ofthese biopesticides on the viability and virulence of IJs of EPN isolates wasstudied by direct exposure to the biopesticides for 24 h and 48 h at thehighest concentrations recommended for field application. Survival rates of theEPN isolates ranged between 5% and 21%. Heterorhabditisbacteriophora FLH-4H was the mosttolerant isolate, with mortality of IJs not exceeding 12% for both exposuretimes. The biopesticides did not affect the virulence of the EPNs, with themortality of Galleria mellonella L.(Lepidoptera: Pyralidae) larvae ranging between 70% and 95%. KW - Entomopathogenic nematodes KW - Steinernema sp. KW - Heterorhabditis KW - Azadirachtin KW - Spinosad N2 - Bazı yerel entomopatojen nematod (EPN)izolatlarının [Heterorhabditisbacteriophora FLH-4H (Poinar, 1975)(Rhabditida: Heterorhabditidae), Steinernemacarpocapsae KCS-4S (Weiser, 1955)(Rhabditida: Steinernematidae) ve Steinernemafeltiae KMP-9S (Filipjev, 1934)(Rhabditida: Steinernematidae)] bazı biyopestisitlerle (40 g/ L Azadirachtin,480 g/ L Spinosad) olan uyumluluğu laboratuvar şartları altında incelenmiştir.Bu biyopestisitlerin, EPN izolatlarına ait infektiv juvenillerin (IJ) canlılığıve virülensliği üzerindeki etkisi, IJ’leri biyopestisitlerin önerilen en yüksekarazi konsantrasyonlarına 24 ve 48 saat boyunca maruz bırakılarakincelenmiştir. Biyopestisitlere 24 ve 48 saatlik sürelerde maruz kalan EPNizolatlarının hayatta kalma oranları % 5-21 arasında değişmiştir. Heterorhabditis bacteriophora FLH-4Hizolatına ait IJ’lerin ölüm oranı her iki uygulama süresinde de %12’yigeçmemiştir ve test edilen biyopestisitlere en tolerant izolat olduğubelirlenmiştir. Test edilen biyopestisitler, EPN'ların virülensliğini önemlidüzeyde etkilememiştir ve Galleria mellonella L. (Lepidoptera: Pyralidae) larvalarınınölüm oranları % 70-95 arasında değişmiştir. CR - Canhilal R., Waeyenberge L., Toktay H., Bozbuga R., Çetintas R., & M. Imren, 2016. Distribution of Steinernematids and Heterorhabditids (Rhabditida: Steinernematidae and Heterorhabditidae) in the Southern Anatolia Region of Turkey. Egyptian Journal of Biological Pest Control, 26(4). CR - Canhilal R., Waeyenberge L., Yüksel E., Koca A.S., Deniz Y., & M. Imren, 2017. Assessment of the Natural Presence of Entomopathogenic Nematodes in Kayseri Soils. Turkey. Egyptian Journal of Biological Pest Control, 27(2). CR - Deseö, K., 1989. Effect Of Neem Kernel Extract On Steinernematid And Heterorhabditid Nematodes. 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UR - https://doi.org/10.31019/tbmd.620137 L1 - https://dergipark.org.tr/tr/download/article-file/1257810 ER -