TY  - JOUR
TI  - Evaluation of the pathogenicity of some entomopathogenic fungi against Tomato leaf miner Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) larvae
AB  - The current study was initiated to test the pathogenicity of entomopathogenic fungi against Tuta absoluta. The experiment was conducted at Bursa Uludag University, Horticulture Department glasshouse in 2020/2021. Tuta absoluta adults were collected and larvae were reared on tomatoe seedlings in a growth chamber. Then, ten larvae were treated with each isolate at five inoculum suspension concentrations in a factorial experiment arranged in a completely randomized block design with three replications. The analysis of variance for mortality revealed significant variations (p<0.05) among isolates and concentrations. Metarhizium anisopliae Ak-12 caused the lowest mortality of 80.77% but had the highest LC50 (2.3x108) and the longest incubation period LT50 4.9 and LT90, 9.9 days and considered to be less pathogenic. Whereas Beauveria bassiana Ak-10 showed the highest mortality 91% and the lowest LT50, 4 and LT90, 7.6 days at 1×1010 conidia /ml, followed by Beauveria bassiana Ak-14 and is considered the most aggressive. Conidia concentrations of 1x109 and 1x1010 conidia/ml were the most effective while 1x106 conidia/ml was the least effective. Overall, the current work revealed the potential variation among isolates and concentrations on the mortality of T. absoluta larvae.
AU  - KOVANCI, ORKUN BARIS
AU  - Dabsu, Tadesse Kebede
DO  - 10.31019/tbmd.1112324
PY  - 2022
JO  - Türkiye Biyolojik Mücadele Dergisi
VL  - 13
IS  - 2
SN  - 2146-0035
SP  - 103
EP  - 117
DB  - TRDizin
UR  - http://search/yayin/detay/1143789
ER  -