Enhancing epidemiological knowledge of Botryosphaeriaceae in Mexican vineyards

IF 1.9 3区农林科学 Q2 AGRONOMY

Phytopathologia Mediterranea Pub Date : 2024-07-17 DOI:10.36253/phyto-15292

E. A. RANGEL-MONTOYA, Ofelia CANDOLFI-ARBALLO, J. A. OBRADOR-SÁNCHEZ, Cesar VALENZUELA-SOLANO, R. Hernández-Martínez

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引用次数: 0

Abstract

Grapevine cultivation in Mexico is important, especially in the states of Baja California and Coahuila, which are the main wine production regions in the country. Grapevine trunk diseases (GTDs) impact productivity and cause substantial economic losses, with Botryosphaeria dieback being one of the most destructive. This disease is caused by fungi in the Botryosphaeriaceae, including species of Botryosphaeria, Diplodia, Lasiodiplodia, and Neofusicoccum. To date, Lasiodiplodia spp. are the primary Botryosphaeriaceae fungi reported in Mexico. The present study aimed to enhance the epidemiological knowledge of Botryosphaeriaceae in Mexican vineyards. Samples from grapevine plants exhibiting disease symptoms were collected from the states of Baja California and Coahuila. Of a total of 37 Botryosphaeriaceae isolates, six species were identified: Neofusicoccum parvum, N. australe, N. vitifusiforme, Botryosphaeria dothidea, Diplodia corticola, and D. seriata. Neofusicoccum parvum isolates were the most virulent, but were less virulent than previously reported Lasiodiplodia spp. The optimum growth temperatures for N. parvum and B. dothidea were from 28 to 30°C, but 25°C for D. seriata, N. vitifusiforme, and N. australe isolates. Only D. seriata isolates recovered growth when transferred to room temperature after exposure to 37°C or 40°C. This report is the first identification of B. dothidea and N. parvum as causative agents of Botryosphaeria dieback in the vine-growing regions of Mexico.

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加强墨西哥葡萄园中 Botryosphaeriaceae 的流行病学知识

墨西哥的葡萄种植非常重要，尤其是在下加利福尼亚州和科阿韦拉州，这两个州是该国主要的葡萄酒产区。葡萄树干病害（GTDs）会影响产量并造成巨大的经济损失，其中破坏性最大的病害之一就是葡萄树干枯病（Botryosphaeria dieback）。这种病是由 Botryosphaeriaceae 真菌引起的，包括 Botryosphaeria、Diplodia、Lasiodiplodia 和 Neofusicoccum。迄今为止，Lasiodiplodia 属是墨西哥报告的主要 Botryosphaeriaceae 真菌。本研究旨在加强墨西哥葡萄园中 Botryosphaeriaceae 真菌的流行病学知识。研究人员从下加利福尼亚州和科阿韦拉州采集了出现病害症状的葡萄植株样本。在总共 37 个 Botryosphaeriaceae 分离物中，确定了 6 个物种：Neofusicoccum parvum、N. australe、N. vitifusiforme、Botryosphaeria dothidea、Diplodia corticola 和 D. seriata。N. parvum 和 B. dothidea 的最适生长温度为 28 至 30°C，而 D. seriata、N. vitifusiforme 和 N. australe 的最适生长温度为 25°C。只有 D. seriata 分离物在暴露于 37°C 或 40°C 后转移到室温时恢复了生长。该报告首次确认 B. dothidea 和 N. parvum 是墨西哥葡萄种植区 Botryosphaeria 枯梢病的病原菌。

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来源期刊

Phytopathologia Mediterranea 生物-植物科学

CiteScore

4.40

自引率

8.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Phytopathologia Mediterranea is an international journal edited by the Mediterranean Phytopathological Union. The journal’s mission is the promotion of plant health for Mediterranean crops, climate and regions, safe food production, and the transfer of new knowledge on plant diseases and their sustainable management. The journal deals with all areas of plant pathology, including etiology, epidemiology, disease control, biochemical and physiological aspects, and utilization of molecular technologies. All types of plant pathogens are covered, including fungi, oomycetes, nematodes, protozoa, bacteria, phytoplasmas, viruses, and viroids. The journal also gives a special attention to research on mycotoxins, biological and integrated management of plant diseases, and the use of natural substances in disease and weed control. The journal focuses on pathology of Mediterranean crops grown throughout the world. The Editorial Board of Phytopathologia Mediterranea has recently been reorganised, under two Editors-in-Chief and with an increased number of editors.