نتایج جستجو برای: m fijiensis and m eumusae have not been reported from many banana producing countries

تعداد نتایج: 17843878  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1391

according to cheng (1999), in recent esl/efl literature, asian (especially east asian) learners of english as a foreign/second language have been arguably reported as reticent and passive learners. the most common allegations are that these students are reluctant to participate in classroom discourse; they are unwilling to give responses; they do not ask questions; and they are passive and over...

بیماری سیگاتوکای موز یک بیماری مرکب می‎باشد که سه گونهM. musicola, M. fijiensis و M. eumusae بعنوان عوامل اولیه ایجادکننده این بیماری به شمار می‎روند. شناسایی کلاسیک این سه گونه به خاطر همپوشانی علایم بیماری، عدم وجود تفاوت مورفولوژیک بارز در مرحله تلئومورف و عدم اسپورزایی آنها روی محیط‎های کشت مصنوعی مشکل می‎باشد. پراکنش دقیق گونه‌های فوق و اپیدمیولوژی این بیماری هنوز به طور کامل مشخص نگردید...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده مدیریت و اقتصاد 1391

abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

ژورنال: :دانش گیاهپزشکی ایران 2011
مهدی ارزنلو

بیماری سیگاتوکای موز یک بیماری مرکب می‎باشد که سه گونهm. musicola, m. fijiensis و m. eumusae بعنوان عوامل اولیه ایجادکننده این بیماری به شمار می‎روند. شناسایی کلاسیک این سه گونه به خاطر همپوشانی علایم بیماری، عدم وجود تفاوت مورفولوژیک بارز در مرحله تلئومورف و عدم اسپورزایی آنها روی محیط‎های کشت مصنوعی مشکل می‎باشد. پراکنش دقیق گونه های فوق و اپیدمیولوژی این بیماری هنوز به طور کامل مشخص نگردید...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم 1393

in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام رضا علیه السلام - دانشکده ادبیات و زبانهای خارجی 1391

translation studies have become an accepted academic subject and books, journals and doctoral dissertations appear faster than one can read them all (bassnet and lefevere, 1990). but this field also brought with itself so many other issues which needed to be investigated more, in the heart of which, issues like ideology, ethics, culture, bilingualism and multilingualism. it is reported that ove...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1388

a major concern in the last few years has been the fact that the cultural centers are keeping distance with what they have been established for and instead of reproducing the hegemony, they have turned into a place for resistance and reproduction of resistance against hegemony. because the cultural centers, as urban public spaces in the last two decades, have been the subject of ideological dis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده زبانهای خارجی 1391

since esp received universal attention to smooth the path for academic studies and productions, a great deal of research and studies have been directed towards this area. swales’ (1990) model of ra introduction move analysis has served a pioneering role of guiding many relevant studies and has proven to be productive in terms of helpful guidelines that are the outcome of voluminous productions ...

2008
M. Arzanlou J.Z. Groenewald R.A. Fullerton E.C.A. Abeln J. Carlier M.-F. Zapater I.W. Buddenhagen A. Viljoen P.W. Crous

Three species of Mycosphaerella, namely M. eumusae, M. fijiensis, and M. musicola are involved in the Sigatoka disease complex of bananas. Besides these three primary pathogens, several additional species of Mycosphaerella or their anamorphs have been described from Musa. However, very little is known about these taxa, and for the majority of these species no culture or DNA is available for stu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

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