Cross-resistance between myclobutanil and tebuconazole and the genetic basis of tebuconazole resistance in Venturia inaequalis.,Pest Management Science

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Cross-resistance between myclobutanil and tebuconazole and the genetic basis of tebuconazole resistance in Venturia inaequalis.
Pest Management Science ( IF 3.8 ) Pub Date : 2020-09-14 , DOI: 10.1002/ps.6088
Laura Cordero-Limon _{1,

2} , Michael W Shaw ₁ , Thomas Aj Passey ₂ , Joyce D Robinson ₂ , Xiangming Xu ₂

Affiliation

Myclobutanil is one of the most widely used demethylation inhibitor (DMI) fungicides for the management of apple scab, caused by Venturia inaequalis. Strains of V. inaequalis resistant to myclobutanil have been reported across the world. Tebuconazole, another DMI fungicide, has been proposed as an alternative to myclobutanil, and the extent of cross‐resistance with myclobutanil therefore needs to be evaluated. The sensitivity to tebuconazole and myclobutanil of a total of 40 isolates was determined. Half the isolates came from an isolated orchard which had never been sprayed with fungicides and half from orchards sprayed regularly with myclobutanil, but still with disease control problems. The progeny of a tebuconazole resistant (R) × sensitive (S) V. inaequalis cross were analyzed in order to improve understanding of the genetic control of tebuconazole sensitivity.

中文翻译：

不定芽孢杆菌中甲氧丁丁与戊唑醇的交叉抗性及戊唑醇抗性的遗传基础。

Myclobutanil是最广泛使用的去甲基化抑制剂（DMI）杀真菌剂之一，用于治疗由苹果黑星病引起的苹果黑ab病。株苹果黑星五，耐腈菌唑已报告在世界各地。有人提议将丁苯康唑（另一种DMI杀真菌剂）替代霉菌丁，因此需要评估与霉菌丁的交叉耐药程度。测定了总共40个分离株对戊唑醇和霉菌丁的敏感性。一半的分离株来自从未喷洒杀真菌剂的果园，另一半来自规则喷洒有霉菌丁胺的果园，但仍存在疾病控制问题。对戊唑醇耐药（R）×敏感（S）的V.inequequalis的后代为了更好地了解戊唑醇敏感性的遗传控制，对杂交进行了分析。

更新日期：2020-09-14

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