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Peanut leaf spot caused by Nothopassalora personata
Tropical Plant Pathology ( IF 2.5 ) Pub Date : 2021-01-14 , DOI: 10.1007/s40858-020-00411-3
D. F. Giordano , N. Pastor , S. Palacios , C. M. Oddino , A. M. Torres

Nothopassalora personata is a cosmopolitan plant pathogenic fungus that causes late leaf spot (LLS) of peanut, the main foliar diseases of this crop. The disease emerged during the last decade in the USA and Argentina. Severely affected plants are early defoliated and yield is decreased by 40–50%. During the last decades, effective LLS management worldwide has been achieved using chemical fungicides, which may negatively affect human and animal health as well as the natural stasis of the soil native microbiota. This review provides an updated view of the new research conducted to understand and effectively manage the disease, based mainly on host plant resistance judicious use of fungicides together with other cultural practices such as crop rotation. Breeding for resistance remains challenging, but new SNPs markers for leaf spot diseases have been mapped and may be useful for improving host resistance which can reduce reliance on fungicides, especially after the ban of chlorothalonil in the E.U. Biocontrol using bacterial and fungal agents open new possibilities to reduce the use of chemical fungicides.



中文翻译:

Nothopassalora personata引起的花生叶斑病

夜蛾是一种大都会植物病原性真菌,可导致花生的晚叶斑病(LLS),这是该作物的主要叶片疾病。该病在过去的十年中在美国和阿根廷出现。受严重影响的植物会早期脱叶,单产降低40–50%。在过去的几十年中,使用化学杀菌剂已经在全球范围内实现了有效的LLS管理,这可能对人类和动物健康以及土壤天然微生物的自然滞留产生不利影响。这篇综述主要是基于宿主植物的抗性,明智地使用杀真菌剂以及其他文化习俗,例如轮作,对了解和有效控制该病的新研究提供了最新观点。抗药性育种仍然充满挑战,

更新日期:2021-01-14
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