نتایج جستجو برای: alternaria spp

تعداد نتایج: 54697  

سید جواد زاد سید محمود اخوت سید مهدی بنی هاشمیان غلامحسین مصاحبی قربانعلی حجارود

سفید شدن گیاهچه یا آلبینیسم یکی از بیماری های مرکبات در مراحل اولیه جوانه زنی بذر و تشکیل گیاهچه است که کم و بیش در بسترهای کشت وجود دارد. گیاهانی که به طور کامل سفید شده و تماماً کلروفیل خود را از دست می دهند، از بین می روند. بررسی علل ایجاد این عارضه سالها توجه پژوهشگران را به خود معطوف داشته است. در تحقیقات اولیه برخی از گونه های آسپرژیلوس را در این باره دخیل می دانستند اما مطالعات بعدی نقش ق...

Journal: : 2022

Alternaria, dünyada yaygın olarak görülen önemli bir fungus cinsi olup Ascomycota bölümü, Dothideomycetes sınıfı, Pleosporales takımı ve Pleosporaceae familyasında yer almaktadır. Alternaria içerisinde, saprofitik, endofitik patojenik türler Patojen arasında ise bitki patojenleri, hasat sonrası patojenler veya insan patojenleri de bulunmaktadır. spp. Alternariol (AOH), monometil eter (AME), Ten...

2010
Mohammad Reza Safari Motlagh

Barnyard grass (Echinochloa spp.) is the most important weeds in rice fields. Some fungal pathogens can potentially be used as biological agents for the control and management of these weeds. For this reason, two pathogenic fungal species were isolated and characterized from naturally infected Echinochloa species. Morphological characters of isolates were studied in order to identify the taxono...

Journal: :Phytopathology 2010
Deanna L Funnell-Harris Jeffrey F Pedersen Scott E Sattler

To improve sorghum for bioenergy and forage uses, brown midrib (bmr)6 and -12 near-isogenic genotypes were developed in different sorghum backgrounds. The bmr6 and bmr12 grain had significantly reduced colonization by members of the Gibberella fujikuroi species complex compared with the wild type, as detected on two semiselective media. Fusarium spp. were identified using sequence analysis of a...

2015
Francesco Casalinuovo Teresa Gazzotti Paola Rippa Lucia Ciambrone Rosanna Musarella Elena Pratticò

The results of a study on the microbiological stability of canned tuna produced by Italian companies and similar canned products manufactured in countries outside Europe are reported herein. The study involved 38 samples of canned tuna of various brands, of which 14 were produced by companies outside Europe and 24 by Italian companies. Qualitative and quantitative microbiological tests were con...

2012
Dragana Pešić Mikulec Zoran Tambur Sonja Radaković Ivan Mileusnić Danimir Jevremović

This study investigated the rate of potentially pathogenic bacteria in fresh soft cheeses made on small dairy farms in Serbia. This type of cheese is made on individual farms from cow, sheep and goat milk. White fresh cheeses from mountain villages of Serbia are economically important for these areas. The purpose of this study was to investigate the micro flora of white cheeses with special emp...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2003
Mirosława Krauze-Baranowska Marian Wiwart

Bilobetin and 4'''-O-methylamentoflavone were isolated and identified in the needles of Taxus baccata, for the first time in this species. The antifungal activity of biflavones from T. baccata and Ginkgo biloba, namely amentoflavone, 7-O-methylamentoflavone, bilobetin, ginkgetin, sciadopitysin and 2,3-dihydrosciadopitysin towards the fungi Alternaria alternata, Fusarium culmorum, Cladosporium o...

2016
SA Ghiasian AH Maghsood MR Aghamirian

BACKGROUND AND PURPOSE Airborne fungi are one of the most important agents responsible for triggering allergicreactions such as rhinitis and severe asthma. This study was conducted to analyze and monitor the prevalence and distribution patterns of atmospheric fungal aerosols in the air of Qazvin during winter of 2012. MATERIALS AND METHODS In the current descriptive study, the incidence and d...

Journal: :Indian journal of medical microbiology 2007
P Veer N S Patwardhan A S Damle

A mycological study of onychomycosis was undertaken in 88 patients. The nails were judged to be infected by their clinical appearance. Direct microscopy of the nail clips in 20% KOH solution was positive in 72 (81.8%) and culture was positive in 43 (48.8%) cases. Out of the samples cultured, dermatophytes were grown in 26 cases (29.5%), non dermatophyte moulds in 12 (13.6%) and Candida spp. in ...

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