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首页> 外文期刊>European Journal of Plant Pathology >Reduction of deoxynivalenol (DON) contamination by improved fungicide use in wheat. Part 3. Reduction of Fusarium head blight and influence on quality traits in cultivars with different resistance levels
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Reduction of deoxynivalenol (DON) contamination by improved fungicide use in wheat. Part 3. Reduction of Fusarium head blight and influence on quality traits in cultivars with different resistance levels

机译：通过改善小麦的杀菌剂使用，减少脱氧酚（Don）污染。 第3部分。减少镰刀菌头枯萎病，对具有不同抵抗水平的品种品种质量性状的影响

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摘要

Earlier published papers analyzed different quality traits indicating only slight changes in quality following Fusarium head blight (FHB) infection and no strong improvement after fungicide application. Therefore, a selection of quality traits were chosen to gain reliable information on these two factors. Three cultivars were tested for three years (2010-2012) with eight fungicides under natural inoculation by maize residue. Quality traits from Zeleny to extensograph parameters were measured from the grain samples. During the 2010 epidemic year extensograph parameters reacted most sensitively to FHB infection, but fungicides only partially restored the damage. The differences between fungicides were also highly significant. Other traits such as grain hardness, 1000 kernel weight, wet gluten and Zeleny value seldom gave significant differences among the treatments. In non-epidemic years the quality traits were also influenced by fungicides, but the variation was much lower, and the treatments caused both significant positive and negative quality changes. The best improvement was found following application of prothioconazole and tebuconazole active molecules to the crop. Improvement of wheat quality was dependent on resistance level and the antifusarium activity of the fungicides. The most informative traits to detect quality losses or measure the improvements were the rheological traits such as the extensograph parameters (e.g.135 min Energy) and farinograph dough stability.
机译：早期公布的论文分析了不同的品质特征，表明镰刀菌头枯萎（FHB）感染后的质量略有变化，并且在杀菌剂应用后没有强烈改善。因此，选择了各种质量特征，以获得关于这两个因素的可靠信息。三年（2010-2012）测试了三个品种，通过玉米残留物在自然接种下进行八个杀菌剂。从Zeleny到扩展参数的质量特征是从谷物样品测量的。在2010年流行性年度扩展参数期间，对FHB感染最敏感的反应，但杀菌剂仅部分恢复损坏。杀菌剂之间的差异也非常显着。其他特征，如晶粒硬度，1000粒重量，湿润麸质和Zeleny值很少在治疗中产生显着差异。在非流行阶段，质量性状也受到杀菌剂的影响，但变异较低，治疗均导致显着的正负质量变化。在施用瘙前阳唑和Tebuconazole活性分子到作物后发现了最佳改善。小麦质量的提高依赖于抗性水平和杀菌剂的抗糖分动。用于检测质量损失或测量改进的最具信息性的特征是流变性状，例如扩展参数（例如，MIN能量）和法图划面团稳定性。

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