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首页> 外文期刊>Plant Disease >First Report of Gladiolus Corm Rot Caused by Fusarium proliferatum in Oman
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First Report of Gladiolus Corm Rot Caused by Fusarium proliferatum in Oman

机译：阿曼镰刀菌引起的唐Gla蒲球茎腐烂的首次报道

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Hybrid gladiolus varieties have potential as a major ornamental crop in Oman. Grown for the cut-flower industry, their production has increased significantly in recent years. In 2010, during a field trial of two hybrid varieties (Red Majesty and Mascagni) grown in sandy soil at Al Moballah, Muscat, approximately 3% of Red Majesty plants and 12% of Mascagni plants showed signs of wilting and yellowing prior to plant death. In all cases, tissue taken from 20 diseased corms yielded Fusarium-like colonies on potato dextrose agar (PDA). Colonies were light to dark purple in color with dense and abundant aerial mycelium; macroconidia were 33.8 × 4.8 μm with 3 to 5 septa per spore; microconidia were 13.5 × 4.8 μm with 0 to 1 septa per spore and were in chains (mean of 50 spores in both cases). No chlamydospores were observed. In vitro characters and spore measurements conformed to previously described features of Fusarium proliferatum (Matsushima) Nirenberg (2). Mycelial plugs (5 mm in diameter) were taken from 5-day-old cultures of F. proliferatum grown on 2.5% PDA and wrapped on the base of Gladiolus corms using Parafilm and wet cotton. The Parafilm was removed after 7 days of inoculation. The corms were kept in moistened polythene bags for and symptoms were recorded.
机译：唐蒲杂种具有作为阿曼主要观赏作物的潜力。种植在切花行业中，近年来产量显着提高。 2010年，在马斯喀特Al Moballah的沙质土壤上种植的两个杂交品种（Red Majesty和Mascagni）的田间试验中，大约3％的Red Majesty植株和12％的Mascagni植株在死亡前显示出枯萎和变黄的迹象。 。在所有情况下，取自20个患病球茎的组织在马铃薯葡萄糖琼脂（PDA）上产生镰刀菌样菌落。菌落颜色为浅紫色至深紫色，有密集而丰富的气生菌丝体。大分生孢子体为33.8×4.8μm，每孢子有3-5个隔片;微型分生孢子为13.5×4.8μm，每个孢子具有0至1个隔片，并且呈链状（两种情况均指50个孢子）。没有观察到衣原体孢子。体外特性和孢子测量结果符合先前描述的镰刀镰刀菌（Musshima）Nirenberg（2）的特征。菌丝体塞（直径5毫米）取自生长在2.5％PDA上的5日龄的F. proliferatum培养物，并使用Parafilm和湿棉将其包裹在唐Gla蒲茎的基部上。接种7天后，取出封口膜。将球茎放在潮湿的聚乙烯袋中，记录症状。

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