贵州省白茎草灰霉病的研究

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection Pub Date : 2025-05-30 DOI:10.1016/j.cropro.2025.107296

Chengqing Yang , Zhen Su , Maoxian Wang , Junyi Gao , Dengquan Liu , Zhongshun Cai , Cheng Li , Fengquan Liu

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引用次数: 0

摘要

Stemona japonica百补是一种用于治疗呼吸系统疾病和用作杀虫剂的中药。它具有广泛的药理作用。Stemonae Radix是临床使用的术语。它是指从一种或多种藤属植物中提取的药用根，是最常用的中药之一。它的作用是滋润肺部，从而缓解咳嗽。它常用于治疗咳嗽和哮喘，包括急性和慢性支气管炎、百日咳和肺结核。目前，在贵州省黄平县已大规模种植；然而，最近的观察表明，叶斑病的流行影响了粳稻，导致产量下降。在本研究中，病害调查结束后，收集了受影响的叶片并运送到实验室。采用组织分离法分离叶片敏感组织。从病叶组织中一致分离到肉孢杆菌样菌株。基于形态学特征和多基因（RBP2、G3PDH和HSP60）系统发育分析，鉴定该真菌为灰葡萄孢（Botrytis cinerea）。致病性试验表明，该菌株可采用无伤接种法侵染粳稻叶片。这是全球首次报道由灰孢杆菌引起的粳稻叶枯病。本研究为后续的病害防治提供了科学依据，有望降低粳稻叶斑病的发病率，提高粳稻产量。

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Gray mold caused by Botrytis cinerea on Stemona japonica (BaiBu) in the Guizhou Province of China

Stemona japonica BaiBu is a traditional Chinese medicine (TCM) used for the treatment of respiratory disorders and as an insecticide. It has a wide range of pharmacological effects. Stemonae Radix is the term used in clinical settings. It refers to the medicinal root derived from one or more Stemona species and is one of the most used TCMs. It functions by moistening the lungs, thereby relieving coughing. It is often used to treat coughs and asthma, including acute and chronic bronchitis, pertussis, and tuberculosis. Currently, it is grown on a large scale in Huangping County, Guizhou Province; however, recent observations revealed the prevalence of leaf spot disease affecting S. japonica, leading to decreased yield. After investigating the disease in this study, the affected leaves were collected and transported to the laboratory. Susceptible leaf tissues were isolated using tissue isolation. Botrytis-like strains were consistently isolated from the diseased leaf tissues. Based on morphological characteristics and multi-gene (RBP2, G3PDH, and HSP60) phylogenetic analyses, the fungi were identified as Botrytis cinerea. Pathogenicity tests showed that the selected B.cinerea strain could infect S. japonica leaves using non-wound inoculation. This represents the first report of B. cinerea causing leaf blight on S. japonica globally. This study provides a scientific rationale for the subsequent control of this disease, which is expected to reduce the incidence of leaf spot disease and increase the yield of S. japonica.

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来源期刊

Crop Protection 农林科学-农艺学

CiteScore

6.10

自引率

3.60%

发文量

200

审稿时长

29 days

期刊介绍： The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics: -Abiotic damage- Agronomic control methods- Assessment of pest and disease damage- Molecular methods for the detection and assessment of pests and diseases- Biological control- Biorational pesticides- Control of animal pests of world crops- Control of diseases of crop plants caused by microorganisms- Control of weeds and integrated management- Economic considerations- Effects of plant growth regulators- Environmental benefits of reduced pesticide use- Environmental effects of pesticides- Epidemiology of pests and diseases in relation to control- GM Crops, and genetic engineering applications- Importance and control of postharvest crop losses- Integrated control- Interrelationships and compatibility among different control strategies- Invasive species as they relate to implications for crop protection- Pesticide application methods- Pest management- Phytobiomes for pest and disease control- Resistance management- Sampling and monitoring schemes for diseases, nematodes, pests and weeds.