Indigenous Turkish entomopathogenic fungi as potential biological control agents of the Rose Aphid, Macrosiphum rosae L. (Hemiptera: Aphididae)

Authors : Derya BAKİ, Hilal Şule TOSUN, Fedai ERLER

Pages : 76-83

Doi:10.31019/tbmd.1278477

View : 49 | Download : 52

Publication Date : 2023-07-25

Article Type : Research Paper

Abstract :The rose aphid, Macrosiphum rosae L. insert ignore into journalissuearticles values(Hemiptera: Aphididae);, is one of the important pests of roses insert ignore into journalissuearticles values(Rosa spp.); insert ignore into journalissuearticles values(Rosaceae); in many parts of the world, including Türkiye. In the present study, the pathogenic activity of five indigenous entomopathogenic fungal insert ignore into journalissuearticles values(EPF); isolates [three isolates of Beauveria bassiana insert ignore into journalissuearticles values(BbDm-1, BbKm-1, BbMp-1);, one isolate of Isaria farinosa insert ignore into journalissuearticles values(IfGp-1); and one isolate of Purpureocillium lilacinum insert ignore into journalissuearticles values(PlKa-1);], were tested for their activity against nymphs and adults of M. rosae under laboratory conditions. Spore suspensions of three different concentrations insert ignore into journalissuearticles values(1 × 107, 1 × 108 and 1 × 109 conidia/ml); obtained from a 10-day old culture of the isolates on PDA insert ignore into journalissuearticles values(Potato Dextrose Agar); medium were tested by spray application against both nymphs and adults of M. rosae. The mortality rate was dose-dependent and increased with spore concentration of the isolates insert ignore into journalissuearticles values(P < 0.05);. Of the five isolates tested, two B. bassiana isolates, BbDm-1 and BbKm-1, were the most pathogenic and caused mortalities of 100% and 83.3% in nymphs, and 96.7% and 80.0% in adults, respectively, at the highest concentration insert ignore into journalissuearticles values(1 x 109 conidia/ml);, 7 days after treatment. Overall results suggest that these two B. bassiana isolates have the potential to be used in the control of M. rosae.
Keywords : Beauveria bassiana, Entomopatojenik fungus, Isaria farinosa, Macrosiphum rosae, Purpureocillium lilacinum

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