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Chilean Journal of Agricultural Research
Instituto de Investigaciones Agropecuarias, INIA
ISSN: 0718-5820
EISSN: 0718-5839
Vol. 72, No. 1, 2012, pp. 62-67
Bioline Code: cj12010
Full paper language: English
Document type: Research Article
Document available free of charge

Chilean Journal of Agricultural Research, Vol. 72, No. 1, 2012, pp. 62-67

 en The Effects of Different Fungicides on THE Viability of Entomopath ogenic Nemat odes Steinernema feltiae check for this species in other resources (Filipjev), S. carpocapsae check for this species in other resources Weiser, and Heterorhabditis downesi check for this species in other resources Stock, Griffin & Burnell (Nemat oda: Rhabditida) under Laboratory Conditions
Laznik, Žiga; Vidrih, Matej & Trdan, Stanislav

Abstract

To increase our knowledge on the susceptibility of entomopathogenic nematodes (EPN) species to agrochemicals, the compatibility of the infective juveniles (IJ) of the entomopathogenic nematodes Steinernema feltiae check for this species in other resources , S. carpocapsae check for this species in other resources , and Heterorhabditis downesi check for this species in other resources with 15 chemical fungicides was investigated under laboratory conditions. The effect of direct IJ exposure to fungicides for 24 h was tested in a petri dish at 15, 20, and 25 ºC. The results showed that the compatibility of S. feltiae with azoxystrobin was high, and similar findings were obtained for S. carpocapsae (strain C67) and all of the tested fungicides, except for tebuconazole + spiroxamine + triadimenol, maneb, dinocap, and copper (II) hydroxide + metalaxil-M. Nematode H. downesi (strain 3173) suffered the highest mortality rate when infective juveniles were mixed with tebuconazole + spiroxamine + triadimenol. The integration of the aforementioned agents into a pest management program is also discussed.

Keywords
Compatibility, fungicides, Heterorhabditis downesi, Steinernema carpocapsae, Steinernema feltiae, viability

 
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