نتایج جستجو برای: ulmi is more pathogenicity than o ulmi

تعداد نتایج: 8295779  

2016
Z.W. de Beer T.A. Duong M.J. Wingfield

One of the causal agents of human sporotrichosis, Sporothrix schenckii, is the type species of the genus Sporothrix. During the course of the last century the asexual morphs of many Ophiostoma spp. have also been treated in Sporothrix. More recently several DNA-based studies have suggested that species of Sporothrix and Ophiostoma converge in what has become known as Ophiostoma s. lat. Were the...

Journal: :Freshwater Biology 2021

Invasive tree pathogens threaten forests worldwide, but their effects on streams are poorly understood. Nevertheless, infections that lead to changes in the characteristics of litter inputs may affect stream communities and ecosystem processes. We studied cross-ecosystem derived from Phytophthora cinnamomi, ×alni, Ophiostoma novo-ulmi infection Castanea sativa (chestnut), Alnus lusitanica (alde...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم انسانی 1388

abstract the aim of this study was threefold: (1) to investigate the relationship between knowledge of semantic prosody and efl learners general language proficiency; (2) to examine the relationship between qualitative as well as quantitative knowledge of words, and (3) to compare the performance of efl learner on receptive and productive measures of semantic prosody. the study is based on a...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده اقتصادو علوم اجتماعی 1390

today, the route for economic development in most countries is the same as international open competitive economy. economic institutes well known that supportive public economy belonged on the past and they may compete in the global economy. it is obvious that if they have no competitive potency or not familiar with competition technique, they may be devastated. banking system aims to collect t...

گلخانه‌ها و فضاهای سبز شهری شرایط مساعدی را برای فعالیت و رشد شپشک‌های گیاهی فراهم می‌آورند. شپشک‌های گیاهی از جمله حشرات آفتی هستند که به گیاهان زینتی خسارت وارد می‌کنند. در این مقاله، 64 گونه شپشک‌ گیاهی متعلق به شش خانواده، که از روی 72 گونه‌ گیاه زینتی متعلق به 42 تیره گیاهی جمع‌آوری شده‌اند، از ایران معرفی می‌شوند. خانواده‌‌ شپشک‌های سپردار Diaspididae با 45 گونه، خانواده شپشک‌های آردآلود ...

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