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首页> 外文期刊>Journal of Environmental Science and Health. Part B >Fungicide sensitivity of Trichoderma spp. from Agaricus bisporus farms in Serbia
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Fungicide sensitivity of Trichoderma spp. from Agaricus bisporus farms in Serbia

机译：木霉菌对杀菌剂的敏感性。来自塞尔维亚的双孢蘑菇农场

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摘要

Trichoderma species, the causal agents of green mould disease, induce great losses in Agaricus bisporus farms. Fungicides are widely used to control mushroom diseases although green mould control is encumbered with difficulties. The aims of this study were, therefore, to research in vitro toxicity of several commercial fungicides to Trichoderma isolates originating from Serbian and Bosnia-Herzegovina farms, and to evaluate the effects of pH and light on their growth. The majority of isolates demonstrated optimal growth at pH 5.0, and the rest at pH 6.0. A few isolates also grew well at pH 7. The weakest mycelial growth was noted at pH 8.0-9.0. Generally, light had an inhibitory effect on the growth of tested isolates. The isolates showed the highest susceptibility to chlorothalonil and carbendazim (ED_(50) less than 1 mg L~(-1)), and were less sensitive to iprodione (ED_(50) ranged 0.84-6.72 mg L~(-1)), weakly resistant to thiophanate-methyl (ED_(50) = 3.75-24.13 mg L~(-1)), and resistant to trifloxystrobin (ED_(50) = 10.25-178.23 mg L~(-1)). Considering the toxicity of fungicides to A. bisporus, carbendazim showed the best selective toxicity (0.02), iprodione and chlorothalonil moderate (0.16), and thiophanate-methyl the lowest (1.24), while trifloxystrobin toxicity to A. bisporus was not tested because of its inefficiency against Trichoderma isolates.
机译：木霉菌种是绿色霉菌病的病原体，在双孢蘑菇农场中造成巨大损失。杀真菌剂被广泛用于控制蘑菇病，尽管绿色霉菌的防治困难重重。因此，本研究的目的是研究几种商业杀菌剂对源自塞尔维亚和波斯尼亚-黑塞哥维那农场的木霉分离物的体外毒性，并评估pH和光照对其生长的影响。大多数分离株在pH 5.0时表现出最佳的生长，其余的在pH 6.0时表现出最佳的生长。在pH 7时，一些分离株也生长良好。在pH 8.0-9.0时，菌丝体生长最弱。通常，光对测试菌株的生长具有抑制作用。分离株对百菌清和多菌灵的敏感性最高（ED_（50）小于1 mg L〜（-1）），对异丙苯二酮的敏感性较低（ED_（50）范围为0.84-6.72 mg L〜（-1））。 ，对甲基硫氰酸甲酯的抗性较弱（ED_（50）= 3.75-24.13 mg L〜（-1）），对三氟羟雌黄酮的抗性（ED_（50）= 10.25-178.23 mg L〜（-1））。考虑到杀真菌剂对双孢曲霉的毒性，多菌灵显示出最佳的选择性毒性（0.02），异丙隆和百菌清中等（0.16），而甲基托布津最低（1.24），而三氟草醚对双孢曲霉的毒性未进行测试。它对木霉分离物的效率低下。

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