Identification and phylogenetic analysis of Fusarium proliferatum isolated from elephant garlic Allium ampeloprasum L.

M. Ignjatov, S. Vlajić, D. Milošević, Z. Nikolić, G. Tamindžić, J. Gvozdanović-Varga, Ž. Ivanović
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引用次数: 1

Abstract

Symptoms of cloves rot of A. ampeloprasum were noticed during 2018 in storage conditions. 16 isolates were obtained (AMP1-AMP16) and according to morphological and cultural characteristics they belong to F. proliferatum (sex. stage Gibberella intermedia), species of Gibberella fujikuroi complex. To confirm morphological identifica?tion, total genomic DNA was extracted from mycelium of the 16 isolates by amplification of TEF-1? gene, using polymerase chain reaction (PCR) that was performed with the primer pair EF1 and EF2. Results presented in this article clearly indicated that the new host of Fusarium proliferatum as the causal agent of cloves rot is ?elephant garlic? Allium ampeloprasum. Pathogenicity test was confirmed on Allium ampeloprasum cloves. Pathogenicity assays revealed that all isolates caused symptoms on tested Allium spp., like naturally infected cloves.
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大象蒜中增肉镰刀菌的鉴定及系统发育分析。
2018年,在贮藏条件下发现了黑藤丁香腐病的症状。分离得到16株分离菌株(AMP1-AMP16),根据形态和培养特征,它们属于增芽孢杆菌(F. proliferatum,性别)。阶段赤霉素中间),赤霉素复合体的种。为了确认形态上的同一性?采用TEF-1扩增法提取16株菌株菌丝体的基因组DNA。引物对EF1和EF2进行聚合酶链反应(PCR)。结果表明,引起丁香腐病的新寄主是大象蒜。葱属植物ampeloprasum。对香蒜进行了致病性试验。致病性分析显示,所有分离株都在被试葱属上引起症状,就像自然感染的丁香一样。
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审稿时长
8 weeks
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