Pathogenicity evaluation of Cytospora species in 13 apple (Malus domestica) varieties and wild apple (Malus sieversii) in Xinjiang, China

IF 1.1 4区农林科学 Q3 PLANT SCIENCES Journal of Phytopathology Pub Date : 2024-08-10 DOI:10.1111/jph.13375

Ying Zhao, Guifang Cai, Meilin Yan, Rong Ma, Daoyuan Zhang

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Abstract

Apples are a popular fruit worldwide and are cultivated in the Xinjiang Uygur Autonomous Region (XUAR) in China. Cytospora canker disease is a serious problem in the apple industry in China. Pathogenicity of all historically recorded Cytospora species from Malus hosts was tested on the leaves and breaches of 13 varieties of apple (Malus domestica) and wild apple (Malus sieversii). Cytospora leucosperma and Cytospora pruinopsis were the most aggressive pathogens on apple and wild apple trees in Xinjiang. Meanwhile, Cytospora leucostoma, Cytospora nivea and Cytospora parakantschavelii were the least aggressive. In addition, Fuji and Golden Delicious were the most Cytospora canker disease-resistant apple varieties and are recommended for future promotion. However, Sitagan and Erzizi were readily infected by Cytospora. Our findings provide a theoretical basis for field disease epidemic monitoring and tailoring disease prevention and control strategies based on the disease resistance of the variety and the aggressiveness of the pathogen.

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中国新疆 13 个苹果（Malus domestica）品种和野生苹果（Malus sieversii）中细胞孢子菌的致病性评估

苹果是世界上很受欢迎的水果，在中国新疆维吾尔自治区也有种植。细胞孢子菌腐烂病是中国苹果产业的一个严重问题。在 13 个苹果（Malus domestica）和野生苹果（Malus sieversii）品种的叶片和破口上测试了历史上记录的所有来自马鲁寄主的胞孢子菌种的致病性。在新疆的苹果树和野苹果树上，Cytospora leucosperma 和 Cytospora pruinopsis 是侵染性最强的病原菌。同时，Cytospora leucostoma、Cytospora nivea 和 Cytospora parakantschavelii 的侵袭性最小。此外，富士和金色美味是对细胞孢子菌腐烂病抗性最强的苹果品种，建议今后加以推广。然而，西塔甘和 Erzizi 很容易感染胞囊霉。我们的研究结果为田间病害流行监测以及根据品种的抗病性和病原体的侵染性制定病害防控策略提供了理论依据。

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来源期刊

Journal of Phytopathology 生物-植物科学

CiteScore

2.90

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Phytopathology publishes original and review articles on all scientific aspects of applied phytopathology in agricultural and horticultural crops. Preference is given to contributions improving our understanding of the biotic and abiotic determinants of plant diseases, including epidemics and damage potential, as a basis for innovative disease management, modelling and forecasting. This includes practical aspects and the development of methods for disease diagnosis as well as infection bioassays. Studies at the population, organism, physiological, biochemical and molecular genetic level are welcome. The journal scope comprises the pathology and epidemiology of plant diseases caused by microbial pathogens, viruses and nematodes. Accepted papers should advance our conceptual knowledge of plant diseases, rather than presenting descriptive or screening data unrelated to phytopathological mechanisms or functions. Results from unrepeated experimental conditions or data with no or inappropriate statistical processing will not be considered. Authors are encouraged to look at past issues to ensure adherence to the standards of the journal.