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首页> 外文期刊>Journal of Plant Diseases and Protection >Monitoring activities on fungicide resistance in Botrytis cinerea carried out in vineyards in North-West Italy in 2018
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Monitoring activities on fungicide resistance in Botrytis cinerea carried out in vineyards in North-West Italy in 2018

机译：2018年西北意大利葡萄园在葡萄园中进行杀菌剂耐杀菌剂的监测活动

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摘要

A monitoring was conducted in 35 commercial vineyards located in Piedmont (North-West Italy) in September 2018 to test the sensitivity of Botrytis cinerea populations to the fungicides that were commonly used in the past and at present: benzimidazoles, dicarboximides, anilinopyrimidines, phenylpyrroles, hydroxyanilides and SDHI fungicides. Sensitivity was tested by evaluating the spore germination on a medium amended with a discriminatory concentration of the different tested botryticides. Conidial suspensions were prepared from infected, randomly sampled bunches and used for the tests. In comparison with the years 2008-2014, the following trend was recorded: benzimidazole resistance was quite stable and was found in about 50% of the vineyards involved in the monitoring; dicarboximide resistance had disappeared in the tested samples, while the frequency of resistance to anilinopyrimidines had increased; the resistance to fenhexamid had decreased; in the case of boscalid, the presence of resistance was quite stable; no resistance to phenylpyrroles was found, although the high discriminatory dose used for fludioxonil cannot exclude the presence in the tested vineyards of low levels of resistance to this fungicide, typical of multidrug-resistant strains.
机译：2018年9月，在35位商业葡萄园中进行了监测，以便于2018年9月，以测试Botrytis Cinerea种群对过去常用的杀菌剂的敏感性：苯并咪唑，二氨基酰亚胺，苯胺吡啶，苯吡咯，羟基硅酸酯和SDHI杀菌剂。通过评估介质上修正的培养基的孢子萌发来测试敏感性，所述培养基经鉴别浓度的不同测试的Botrydides的鉴别浓度。分析悬浮液由感染，随机取样的束制备并用于测试。与2008 - 2014年的年份相比，记录了以下趋势：苯并咪唑抗性相当稳定，发现约50％的葡萄园涉及监测;二羧膜咪啶抗性在测试的样品中消失，而对苯胺嘧啶的抗性增加;对芬汉司的抗性降低;在蒙阳的情况下，抗性的存在非常稳定;发现没有对苯吡咯的抵抗力，尽管用于氟喹啉的高鉴别剂量不能排除在低水平的耐杀真菌剂的低水平耐受性的葡萄园中的存在，但是典型的多药抗性菌株。

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