由卵菌引起的根腐病和冠腐病:对橄榄树的新威胁

IF 2.5 3区 农林科学 Q2 Agricultural and Biological Sciences Tropical Plant Pathology Pub Date : 2024-01-16 DOI:10.1007/s40858-023-00630-4
Rachid Azenzem, Tayeb Koussa, Mohamed Najib Alfeddy
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引用次数: 0

摘要

土传病害对农业和自然生态系统的威胁日益严重。据报道,由致病性卵菌引起的橄榄根腐病和冠腐病(OCR)最近在一些橄榄种植国家成为一个新出现的植物病理学问题,导致橄榄树叶片黄化、落叶、枝条枯萎、萎蔫,继而衰退。据报道,在卵菌纲中,有几种噬菌体和腐霉菌会引起栽培橄榄树和野生橄榄树的根腐病和树冠腐烂病。研究表明,这种病在排水不良、偶尔积水的粘土上的年轻橄榄园中尤为严重。引入灌溉、在更有利和更肥沃的土壤上种植以及集约化等橄榄园现代化措施可能会增加栽培橄榄树的风险。此外,这些卵菌的传播潜力以及降水模式的变化(暴雨更加频繁)都会促进野生橄榄林和橄榄园感染病菌的发展。因此,本综述总结了有关 ORCR 病原、检测和诊断工具、症状、疾病周期、流行病学和潜在管理策略的最新发现和进展。
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Root and crown rot caused by oomycetes: an emerging threat to olive trees

Soilborne diseases are an increasing threat to agriculture and natural ecosystems. Olive root and crown rot (ORCR) caused by pathogenic oomycete species has recently been reported in several olive-growing countries as an emerging phytopathological problem causing leaf yellowing, defoliation, twig dieback, and the development of wilting followed by decline of olive trees. Within the oomycetes, several Phytophthora and Pythium species have been reported to cause root and crown rot of cultivated and wild olive trees. Studies have shown that the disease is particularly severe in young olive groves located on poorly drained, occasionally waterlogged clay soils. Modernization of olive orchards induced by the introduction of irrigation, planting on more favourable and heavier soils, and intensification may increase the risk to cultivated olive trees. In addition, the potential for the spread of these oomycetes, as well as changes in precipitation patterns with more frequent heavy rains, would facilitate the development of infections in wild olive forests and olive groves. Therefore, this review summarizes the latest findings and advances regarding the causative agents of ORCR, detection and diagnosis tools, symptoms, disease cycle, epidemiology, and potential management strategies.

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来源期刊
Tropical Plant Pathology
Tropical Plant Pathology PLANT SCIENCES-
CiteScore
4.50
自引率
4.00%
发文量
61
审稿时长
6-12 weeks
期刊介绍: Tropical Plant Pathology is an international journal devoted to publishing a wide range of research on fundamental and applied aspects of plant diseases of concern to agricultural, forest and ornamental crops from tropical and subtropical environments.  Submissions must report original research that provides new insights into the etiology and epidemiology of plant disease as well as population biology of plant pathogens, host-pathogen interactions, physiological and molecular plant pathology, and strategies to promote crop protection. The journal considers for publication: original articles, short communications, reviews and letters to the editor. For more details please check the submission guidelines. Founded in 1976, the journal is the official publication of the Brazilian Phytopathology Society.
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