Efficacy of Native Entomopathogenic Nematodes on the Larvae of Tomato Leafminer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)

Authors : Çiğdem GÖZEL, İsmail KASAP, Uğur GÖZEL

Pages : 220-225

Doi:10.15832/ankutbd.519686

View : 24 | Download : 7

Publication Date : 2020-06-04

Article Type : Research Paper

Abstract :This study was conducted to determine the efficacy of native entomopathogenic nematodes insert ignore into journalissuearticles values(EPNs);; Steinernema affine 46 insert ignore into journalissuearticles values(Bovien, 1937);, S. feltiae 879 insert ignore into journalissuearticles values(Filipjev, 1934);, S. carpocapsae 1133 insert ignore into journalissuearticles values(Weiser, 1955); and Heterorhabditis bacteriophora 1144 insert ignore into journalissuearticles values(Poinar, 1976); on the larvae of tomato leafminer Tuta absoluta insert ignore into journalissuearticles values(Meyrick);. Bioassays were conducted in the laboratory at four different temperatures insert ignore into journalissuearticles values(10, 15, 20 and 25±1 oC); in the plates and 30 infective juveniles insert ignore into journalissuearticles values(IJs); were inoculated to a single T. absoluta larva for each nematode species. After nematode inoculation, larvae were checked on the 3rd, 5th, 7th days and mortalities were recorded. All nematode species used in the study showed the lowest efficacy on the 3rd control day at 10 oC and the highest efficacy on the 7th day at 25 oC. S. feltiae 879 was found as the most efficient species with the highest mortality insert ignore into journalissuearticles values(91.67%); among EPNs used in the study. The results proved that T. absoluta larvae are highly susceptible to EPNs and the control of the pest by EPNs on this stage is successful.
Keywords : Tomato, Tuta absoluta, Larva, Biological control, Entomopathogenic nematodes