Brown Rot Disease Caused by Trichoderma hamatum on the Edible Lily, Lilium leichtlinii var. maximowiczii

IF 0.6 4区 综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES
Chun-lan Zhang, Bo Zhang, X. Yang, Odeshnee Naicker, Lei Zhao
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引用次数: 1

Abstract

Lilium leichtlinii var. maximowiczii is commonly known as the edible lily or sweet lily. Bulbs of this edible lily are frequently used in traditional Chinese medicine, and they are revered for their nutritional content. As of 2018, brown rot disease on cultivated L. leichtlinii var. maximowiczii bulbs has become a disease of concern in Jilin Province, China, with a disease incidence of 29.43%. The bulbs infected with brown rot disease appear as large, regularly shaped, and yellow-brown or black-brown lesions. However, the causal agent is not yet known. Therefore, this study aims to confi rm both the causal pathogen by using Koch’s postulates and to further establish, to the species level, the identity of this organism via morphological and molecular methods. The pathogen was later identifi ed as Trichoderma hamatum. Healthy bulbs were inoculated with T. hamatum, which produced the initial disease symptoms with brown spots appearing at the inoculation sites; the same pathogen was then isolated again from diseased bulbs. To the best of our knowledge, this is the fi rst report of bulb rot disease of cultivated L. leichtlinii var. maximowiczii caused by T. hamatum in China. Our work may be benefi cial, especially for designing control measures for bulb rot disease in the commercial cultivation of L. leichtlinii var. maximowiczii.
肉芽木霉对食用百合褐腐病的影响
百合(Lilium leichtlinii var. maximowiczii)通常被称为可食用百合或甜百合。这种可食用百合的球茎经常用于传统中医,它们因其营养成分而受到尊敬。截至2018年,栽培的lehtlinii var. maximowiczii鳞茎褐腐病已成为中国吉林省备受关注的病害,发病率为29.43%。感染褐腐病的鳞茎呈大而有规则的形状,呈黄棕色或黑棕色病变。然而,病因尚不清楚。因此,本研究旨在利用Koch的假设来确认致病病原体,并通过形态学和分子方法进一步在物种水平上建立该生物的身份。这种病原体后来被鉴定为红木霉。健康鳞茎接种番茄红霉后,发病初期症状为接种部位出现褐色斑点;然后从患病的球茎中再次分离出相同的病原体。据我们所知,这是中国首次报道由番茄红霉(T. hamatum)引起的栽培L. leichtlinii变种鳞茎腐病。本文的研究成果可为我国商业栽培莴苣球茎腐病防治措施的设计提供参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Chiang Mai Journal of Science
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.
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