DYNAMO-A:一种通用的模拟模型,将作物生长与疾病流行病结合起来
Laetitia Willocquet1,2, Simone Bregaglio3, Roberto Ferrise4
1Département Santé des Plantes et Environnement, INRAE, Toulouse, France.
PloS one
|April 24, 2025
概括
一个新的结合疾病-作物模型,DYNAMO-A,模拟了病原体-作物相互作用. 它揭示了生物变性病原体在有利条件下会导致更高的收获损失,而死性病原体在各种条件下会导致类似的损失.
科学领域:
- 农业科学 农业科学
- 植物病理学 植物病理学
- 计算生物学 计算生物学
背景情况:
- 动态模拟模型很少整合流行病学和农业生理学过程.
- 现有的模型,如虫和小麦虫,专注于特定的作物,缺乏双向合.
- 需要一个通用的,透明的,简单的疾病结合作物模型.
研究的目的:
- 开发DYNAMO-A,一种通用,透明和简单的结合疾病作物模型.
- 用明确的双向合来模拟一年一度作物树冠内的多循环流行病.
- 分析病原体生活方式和生产情况对作物产量损失的影响.
主要方法:
- 开发了DYNAMO-A,集成了农生理学组成部分 (作物生长) 和流行病学组成部分 (流行病模拟).
- 在有利和不太有利的生产情况下,模拟了生物和死菌病原体的场景.
- 基于病原体与作物相互作用和环境背景的量化收获损失.
主要成果:
- 生物变性病原体减少了绿叶面积,并转移了同化物,造成了显著的产量损失,特别是在有利的条件下.
- 死亡致病菌因衰老而减少了生病和绿叶的面积,损失不那么依赖于生产情况.
- 在有利的生产环境下,生物营养病原体的绝对产量损失更高.
结论:
- DYNAMO-A为了解复杂的植物疾病动态提供了有价值的工具.
- 该模型的发现与之前的实验和建模研究一致.
- 未来的DYNAMO-A应用可以支持对农业生产影响的跨学科研究.
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