Sensitivity of Trichoderma strains from edible mushrooms to the fungicides prochloraz and metrafenone. Issue 1 (30th October 2020)

• Record Type: Journal Article
• Authors: Luković, Jelena; Milijašević-Marčić, Svetlana; Hatvani, Lóránt; Kredics, László; Szűcs, Attila; Vágvölgyi, Csaba; Duduk, Nataša; Vico, Ivana; Potočnik, Ivana
• Is Part Of: Journal of environmental science and health. Volume 56:Issue 1(2021)
• Page Start: 54
• Page End: 63
• Publication Date: 2020-10-30
• Subjects: Button mushrooms -- oyster mushroom -- shiitake -- green mold disease -- fungicide sensitivity test -- disease control -- Trichoderma pleuroti -- Trichoderma pleuroticola -- Trichoderma harzianum; Pesticides -- Environmental aspects -- Periodicals; Food contamination -- Periodicals; Agricultural wastes -- Environmental aspects -- Periodicals; Ecology -- periodicals; Pesticides -- toxicity -- periodicals; Food Contamination -- periodicals; 363.73
• DOI: 10.1080/03601234.2020.1838821
• Languages: English
• ISSNs: 0360-1234

Abstract

Abstract: Twenty-two strains of Trichoderma spp. ( T. harzianum species complex [THSC], Trichoderma aggressivum f. europaeum, Trichoderma pleuroti, and Trichoderma pleuroticola ) causing green mold disease on edible mushrooms (button mushroom, shiitake and oyster mushroom), collected during 2004–2018 from four countries (Serbia, North Macedonia, Croatia, and Hungary) were examined. Based on their ITS (internal transcribed spacer) sequences, strains from shiitake mushroom in Serbia were identified as members of the THSC, while in samples obtained from Serbian and North-Macedonian oyster mushroom farms THSC, T. pleuroti and T. pleuroticola were detected, which represent the first findings in the region. In fungicide susceptibility tests, all examined Trichoderma strains were found to be highly sensitive to prochloraz (ED50 <0.4 µg mL −1 ) and considerably susceptible to metrafenone (ED50 < 4 µg mL −1 ). The most sensitive taxon to both fungicides was THSC from oyster mushroom. The toxicity of metrafenone was satisfying and strains from oyster mushroom showed the highest sensitivity (ED50 < 1.43 µg mL −1 ), while strains originating from button mushroom and shiitake displayed similar susceptibilities (ED50 < 3.64 µg mL −1 ). After additional in vivo trials, metrafenone might also be recommended for the control of green mold disease in mushroom farms.