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相关概念视频

Sources of Food Contamination01:29

Sources of Food Contamination

Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...
Hazard Analysis and Critical Control Points (HACCP)01:30

Hazard Analysis and Critical Control Points (HACCP)

Hazard Analysis and Critical Control Points (HACCP) is a science-based, preventive system used globally to ensure food safety by identifying, evaluating, and controlling biological, chemical, and physical hazards throughout food production. Originally developed by NASA and the Pillsbury Company for astronaut food, HACCP is now a core component of the Codex Alimentarius.HACCP operates on prerequisite programs—such as Good Manufacturing Practices (GMPs), sanitation procedures, and supplier...

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从玉米多危害害害虫风险角度来看,秋季军从玉米多危害害虫风险角度来看.

Senait D Senay1,2, Philip G Pardey1,3, Yuan Chai1,3

  • 1GEMS Informatics Center, University of Minnesota, Saint Paul, MN, United States.

Frontiers in insect science
|March 12, 2024
PubMed
概括

非洲玉米作物由于适应气候而面临秋季军虫 (Spodoptera frugiperda) 和许多其他害虫的严重风险. 这种多危害害虫环境威胁着整个非洲大陆的作物生产.

关键词:
它们是花鸟 (Spodoptera frugiperda) 的种类.秋天的军队 虫玉米玉米玉米是一种具有多种危害害虫害风险的多种危害虫害风险害虫风险建模 害虫风险建模

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科学领域:

  • 农业昆虫学 农业昆虫学
  • 气候变化的影响 气候变化的影响
  • 虫害管理 虫害管理 虫害管理

背景情况:

  • 秋季军虫 (Spodoptera frugiperda) 是一个重要的入侵性害虫,影响全球玉米生产.
  • 气候变化正在改变害虫分布,增加作物感染的风险.
  • 由于气候适合多种害虫,非洲玉米生产特别脆弱.

研究的目的:

  • 为了空间评估全球气候适合秋季军虫侵袭.
  • 评估非洲玉米生产的多危害害虫害风险.
  • 为了告知作物管理和育种策略,以减轻害虫风险.

主要方法:

  • 汇集了3175个地理标记的秋季军虫事件.
  • 利用害虫生理要求和气候数据进行空间分析.
  • 评估了多种害虫物种气候适应性的重叠.

主要成果:

  • 几乎所有非洲玉米种植区在气候上都适合季节性秋季军虫染,其中92%支持全年害虫生存.
  • 超过95%的适合秋季军虫的非洲玉米面积全年至少支持三种额外的害虫.
  • 非洲玉米种植面积的很大一部分面临着9种或更多额外的害虫的风险,造成高风险的生产环境.

结论:

  • 非洲玉米作物由于适合气候而面临异常高的多危害害虫风险.
  • 研究结果强调,迫切需要针对非洲条件的综合性害虫防治战略.
  • 复杂的害虫相互作用需要先进的作物育种和管理解决方案,以确保粮食安全.