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在乌拉圭,与麦谷物相关的类物种和真菌毒素

Ana Belén Corallo¹, Agustina Del Palacio¹, María Oliver¹

¹Sección Micología, Facultad de CienciasFacultad de Ingeniería, UdelaR, Julio Herrera y Reissig 565, Montevideo 11300, Uruguay.

|August 25, 2023

概括

这项研究在乌拉圭中确定了Fusarium物种和真菌毒素,发现Fusarium graminearum物种复合物最为普遍. 它还报告了杀菌剂敏感性,这对于控制作物疾病和污染至关重要.

科学领域:

农业科学农业科学
菌类学菌类学是指菌类学.
食品安全食品安全

背景情况:

易受谷物菌和茎腐烂等真菌病的影响,这些病因是由Fusarium物种引起的.
这些感染导致大量的收获损失和菌毒素污染,对消费者构成风险.
类物种是生产的全球关注点,影响作物产量和食品安全.

研究的目的:

在乌拉圭的谷谷中识别Fusarium物种和相关的真菌毒素.
确定不同Fusarium物种复合物的发生率,包括首次报告的Fusarium fujikuroi物种复合物.
评估从中分离的Fusarium真菌杀菌剂的敏感性,为管理策略提供数据.

主要方法:

从小麦谷物中分子识别Fusarium物种复合体.
对真菌毒素概况的分析,包括脱氧尼瓦伦 (DON),泽拉伦 (ZEN),烟素和尼瓦伦 (NIV).
在孤立的Fusarium菌株上进行真菌杀菌剂敏感性测试.

主要成果:

Fusarium graminearum物种复合体 (FGSC) 的发病率很高,其次是Fusarium fujikuroi物种复合体 (FFSC) 和F. incarnatum-equiseti物种复合体.
在FFSC中确定了几种物种,包括Fusarium fujikuroi,标志着它在中首次被检测到.
脱氧尼瓦伦 (DON) 和泽拉伦 (ZEN) 是最常见的真菌毒素; fumonisins 和 nivalenol (NIV) 在较低的水平被检测到.

结论:

这项研究提高了对乌拉圭的Fusarium物种和真菌毒素发生情况的了解.
它提供了第一份关于乌拉圭的Fusarium分离物的真菌杀菌剂敏感性的报告.
这些发现对于制定有效的防治真菌病和菌毒素污染的管理策略至关重要.

关键词:

Fusarium fujikuroi 复杂的物种复合物种类植物 (Fusarium graminearum) 是一种植物.富莫尼西尼的存在杀菌剂敏感性杀菌剂敏感性三可二烯的三可二烯.没有一个Zearalenone

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