Isolation and Identifi cation of Postharvest Fungal Pathogens of Some Selected Fruits in Yunnan, China

IF 0.6 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES Chiang Mai Journal of Science Pub Date : 2023-05-31 DOI:10.12982/cmjs.2023.023

Cheng Dao, S. Karunarathna, A. H. Ekanayaka, Li Lu, Er-Fu Yang, S. Tibpromma, Kai Yan

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引用次数: 1

Abstract

Fruits are one of the major economic commodities worldwide and postharvest rot diseases is one of the major problems that led to decreasing fruit production. Fungal contaminants reduce the quality of fresh fruits after harvest and it is one of the leading causes of economic loss in global fresh fruits. The purpose of this research was to isolate and identify pathogens causing postharvest rots on common fruits available in markets in Panlong District, Kunming, Yunnan Province, China. The fruits viz. apple (Malus domestica), dragon fruit (Hylocereus undatus), peach (Amygdalus persica) and pear (Pyrus sorotina) were selected to examine post-harvest rots since they are commonly available fruits in Yunnan markets. We isolated six fungal strains from the above-mentioned fruits. The pathogenicity tests and phylogenetic analyses were carried out for the fungi isolated from fruits. Our results showed that Fusarium spp. are common on apple, peach and dragon fruit. In the pathogenicity test, Monilinia yunnanensis inoculated on the pear had the strongest effect on the pear, and the disease spot expanded over half of the total area of the fruit. Our results are expected to provide a reference and basis for preventing postharvest diseases of common fruits in Yunnan.

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云南部分水果采后真菌病原菌的分离鉴定

水果是世界上主要的经济商品之一，采后腐病是导致水果产量下降的主要问题之一。真菌污染降低了新鲜水果收获后的质量，是全球新鲜水果经济损失的主要原因之一。本研究旨在分离和鉴定云南省昆明市盘龙区市场上常见水果采后腐烂的病原菌。选择苹果(Malus domestica)、火龙果(Hylocereus undatus)、桃(Amygdalus persica)和梨(Pyrus sorotina)等水果进行采收后腐烂检查，因为它们是云南市场上常见的水果。从上述果实中分离到6株真菌。对从果实中分离的真菌进行了致病性试验和系统发育分析。结果表明，苹果、桃、火龙果中常见镰刀菌。在致病性试验中，接种在梨上的云南念珠菌对梨的影响最大，病斑扩大到果实总面积的一半以上。研究结果可为云南常见水果采后病害防治提供参考和依据。

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来源期刊

Chiang Mai Journal of Science MULTIDISCIPLINARY SCIENCES-

CiteScore

1.00

自引率

25.00%

发文量

103

审稿时长

3 months

期刊介绍： The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.