影响乌拉圭主要小麦种植区镰刀菌种群的当前物种组成及其长期施用后对三唑敏感性的演变

IF 1.1 4区农林科学 Q3 ENTOMOLOGY

International Journal of Pest Management Pub Date : 2022-10-02 DOI:10.1080/09670874.2022.2129509

Gianella Brancatti, G. Garmendia, S. Pereyra, S. Vero

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引用次数: 0

摘要

摘要镰刀菌头枯病（FHB）是由多种镰刀菌引起的谷物破坏性疾病，其中禾谷镰刀菌被认为是主要致病因子。本研究从受感染的谷物中获得了586株镰刀菌的纯培养物，其中64.9%属于禾谷镰刀菌物种复合体。96.4%的分离株具有15个乙酰脱氧雪腐镰刀菌烯醇基因型，其余为尼瓦烯醇基因型。第二大优势种是P.poae（19.1%），其次是F.avenaceum（8.2%）和F.tricintum（4.6%）。检测到乌拉圭镰刀菌对戊唑醇的耐受性增加。

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Current species composition of Fusarium population affecting the main wheat-growing regions in Uruguay and evolution of their sensitivity to triazoles after long-term application

Abstract Fusarium head blight (FHB) is a destructive disease of cereal grains caused by several Fusarium species, of which Fusarium graminearum is considered the primary causal agent. In this work 586 pure cultures of Fusarium spp. were obtained from infected grains, of which 64.9% belonged to the Fusarium graminearum species complex. 96.4% of those isolates had 15-acetyldeoxynivalenol genotype and the rest exhibited Nivalenol genotype. The second most predominant species was F. poae (19.1%) followed by F. avenaceum (8.2%) and F. tricinctum (4.6%). An increase in the tolerance to tebuconazole of Uruguayan Fusarium spp. isolates was detected.

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来源期刊

International Journal of Pest Management 生物-昆虫学

CiteScore

4.70

自引率

6.70%

发文量

审稿时长

>12 weeks

期刊介绍： International Journal of Pest Management publishes original research papers and reviews concerned with pest management in the broad sense, covering the control of pests (invertebrates, vertebrates and weeds) and diseases of plants, fungi and their products – including biological control, varietal and cultural control, chemical controland interference methods. The management of invasive species is of special interest. We also encourage submissions dealing with interactions of multiple pests such as arthropods and plant pathogens, pathogens and weeds or weeds and arthropods as well as those dealing with the indirect and direct effects of climate change on sustainable agricultural practices.