نتایج جستجو برای: phoma
تعداد نتایج: 715 فیلتر نتایج به سال:
Phoma minutella, a dematiaceous hyphomycete, was isolated to the exclusion of all other fungi from a subcutaneous inflammatory process on the foot of a farmer undergoing corticosteroid therapy for myasthenia gravis. Isolation was achieved on several nutrient media. Examination of stained smears and sections revealed dematiaceous fungal elements consistent with the mold. This is the first report...
Ascochyta and Phoma are fungal genera containing several important plant pathogenic species. These genera are morphologically similar, and recent molecular studies performed to unravel their phylogeny have resulted in the establishment of several new genera within the newly erected Didymellaceae family. An analysis of the structure of fungal mating-type genes can contribute to a better understa...
A disease of Plumbago Zeylanica L. caused by Phoma exigua is reported for the first time from India.
UNLABELLED The anamorphic genus Phoma was subdivided into nine sections based on morphological characters, and included teleomorphs in Didymella, Leptosphaeria, Pleospora and Mycosphaerella, suggesting the polyphyly of the genus. Recent molecular, phylogenetic studies led to the conclusion that Phoma should be restricted to Didymellaceae. The present study focuses on the taxonomy of excluded Ph...
The genus Phoma Sacc. consists of important fungal plant pathogenic species occurring on economically important cultivated crops in spite of many other saprobic species. Thus, the aim of this study was to identify 35 isolates of Phoma species and related taxa collected from different hosts by means of morphological and molecular characters. Multi-locus phylogenetic analyses based on ITS1-5.8S-I...
سابقه و هدف: بیماری های کلزا از مهم ترین دلایل محدود کننده تولید کلزا محسوب می گردند. در دنیا، عوامل قارچی متفاوتی مانند rhizoctonia solani، pytium sp.، phytophthora sp. و fusarium sp. دلیل پوسیدگی ریشه و مرگ گیاه چه معرفی شده اند. هدف از این پژوهش شناسایی عوامل قارچی مولد پوسیدگی ریشه و طوقه کلزا در شهرستان مرودشت و تعیین گونه های غالب بیماری زا در سطح منطقه بود. مواد و روش ها: در این مطاله یک...
Selected cultural and environmental variables were investigated for their influence on the efficacy of Phoma herbarum and Phoma exigua to cause disease on dandelion (Taraxacum officinale) under growth room conditions. In both species, mycelial fragments caused significantly greater disease severity on dandelion than spore suspensions. Mycelial age was not an important factor in disease severity...
INTRODUCTION Fungal infections in human skin, such as sporotrichosis, can occur after fish induced trauma. This work aimed to identify fungi in freshwater fish that are pathogenic to humans. METHODS Extraction of dental arches from Serrassalmus maculatus (piranha) and Hoplias malabaricus (wolf fish), stings from Pimelodus maculatus (mandis catfish), dorsal fin rays from Plagioscion spp. (corv...
بهمنظور شناسایی قارچهای مرتبط با علفهای هرز در استان همدان طی فصلهای بهار و تابستان 1388 از مناطق مختلف استان نمونهبرداری شد. در بین نمونههای جمعآوری شده، پنج جدایه قارچ مربوط به گل قاصد وحشی (taraxacum officinale) و سه جدایه مربوط به غازپا (chenopodium murale) بر اساس مشخصات ریختشناسی و توالییابی نواحی its از ژن rdna بهترتیب بهعنوان phoma herbicola و phoma medicaginis var. medicagin...
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