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首页> 外文期刊>Turkish Journal of Agriculture & Forestry >Sensitivity of Cercospora beticola populations in Turkey to flutriafol, mancozeb, and fentin acetate
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Sensitivity of Cercospora beticola populations in Turkey to flutriafol, mancozeb, and fentin acetate

机译：土耳其Cercospora beticola种群对氟曲afol，Mancozeb和醋酸芬太尼的敏感性

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The sensitivity of sugar beet leaf spot disease caused by Cercospora beticola to fungicides used in Turkey was determined using a mycelial growth assay in petri dishes with 100 fungal isolates. The isolates were obtained from samples collected from 6 sugar beet production areas in 2005 and 2006. Flutriafol, mancozeb, and fentin acetate were added to Aspergillus complete medium (ACM) at the rates of 0.0, 0.05, 0.1, 0.5, 1.0, 5.0, and 10.0 μg mL-1, and then mycelial growth was measured. ED50 values of flutriafol for all the isolates from the sugar beet production areas ranged from 0.04 to >10.0 μg mL-1. Tolerance to this fungicide was very high in 2 regions (Adapazar? and ?ar?amba) where the disease is very prevalent due to climatic conditions. In these 2 areas 74.1%, 55.5%, 81.2%, and 68.7% of the isolates grew with 5 and 10 μg mL-1 of flutriafol, respectively (1 μg mL-1 flutriafol is considered inhibitory to the growth of the fungus). In the other 4 regions included in the study, tolerance was not as high. Tolerance to mancozeb developed in all the regions; however, the percentage of tolerant isolates was lowest in ?ar?amba (6%) and highest in Susurluk (47.3%). Tolerance to fentin acetate varied according to the criteria used for evaluation. Key words: Cercospora beticola, fentin acetate, flutriafol, fungicide resistance, mancozeb
机译：使用菌丝生长测定法在含有100种真菌分离物的陪替氏培养皿中，测定了锥tic虫引起的甜菜叶斑病对土耳其使用的杀菌剂的敏感性。从2005年和2006年从6个甜菜生产区收集的样品中获得了分离株。将氟替莫非，代森锰锌和芬太尼乙酸酯以0.0、0.05、0.1、0.5、1.0、5.0，和10.0μgmL-1，然后测量菌丝体生长。来自甜菜产区的所有分离物的氟曲afol ED50值范围为0.04至> 10.0μgmL-1。在两个地区（Adapazar？和araramba）对这种杀菌剂的耐受性很高，该地区由于气候条件非常流行。在这2个区域中，分别有5和10μgmL-1的氟替莫非生长的分离株分别有74.1％，55.5％，81.2％和68.7％（1μgmL-1氟替莫非被认为抑制了真菌的生长）。在研究中包括的其他4个区域中，耐受性并不高。在所有地区都出现了对mancozeb的耐受性;但是，耐受分离株的百分比在arabar最低（6％），在Susurluk最高（47.3％）。乙酸芬太尼的耐受性根据用于评估的标准而变化。关键词：锥状孢子虫，乙酸芬太尼，氟曲afol，抗真菌剂，代森锰锌

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