نتایج جستجو برای: sclerotinia sclerotiorum و fusarium graminearum

تعداد نتایج: 775927  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم کشاورزی 1393

جایگزینی قارچ کش های صنعتی به وسیله ترکیبات طبیعی (به ویژه با منشأ گیاهی) که سمی نیستند، توجه زیادی را به خود معطوف کرده است. اهمیت استفاده از گیاهان دارویی در درمان بیماری ها و ممانعت از رشد باکتری های بیماری زا به خوبی شناخته شده و امروزه نیز اثرات ضدقارچی و ضدباکتریایی بسیاری از ترکیبات گیاهی به اثبات رسیده است. گونه های گیاهی مورخوش (zhumeria majdae)، پونه (mentha pulegium) و بومادران (achi...

Journal: :Plant physiology 2015
Jenny Neukermans Annelies Inzé Janick Mathys Barbara De Coninck Brigitte van de Cotte Bruno P A Cammue Frank Van Breusegem

Plants have developed a variety of mechanisms to cope with abiotic and biotic stresses. In a previous subcellular localization study of hydrogen peroxide-responsive proteins, two peptides with an unknown function (designated ARACIN1 and ARACIN2) have been identified. These peptides are structurally very similar but are transcriptionally differentially regulated during abiotic stresses during Bo...

2014
Yiwen Xiang Theresa Herman Glen L. Hartman

Liquid and semi-solid culture media are used to maintain and proliferate bacteria, fungi, and Oomycetes for research in microbiology and plant pathology. In this study, a comparison was made between soybean milk medium, also referred to as soymilk, and media traditionally used for culturing soybean pathogens to determine if soymilk medium was an effective medium for growth of Colletotrichum tru...

2013
Susheel Kumar Nutan Kaushik

Jatropha curcas L., a perennial plant grown in tropics and subtropics is popularly known for its potential as biofuel. The plant is reported to survive under varying environmental conditions having tolerance to stress and an ability to manage pest and diseases. The plant was explored for its endophytic fungi for use in crop protection. Endophytic fungi were isolated from leaf of Jatropha curcas...

ژورنال: بیماریهای گیاهی 2009
امیر موسوی فرهاد شکوهی‌فر محمدرضا زمانی محمدعلی ملبوبی مصطفی مطلبی,

پیشبرهای مصنوعی تأثیر بسزایی در کاهش پیچیدگی‌های پیشبرهای طبیعی و مؤفقیت برنامه‌های اصلاحی دارند. در این مطالعه دو پیشبر مصنوعی SynP1 و MinP در ترکیب با ژن گزارشگر بتا گلوکرونیداز (GUS)ساخته شد. آنالیز </strong...

Journal: :Prospectiva universitaria 2022

En campos comerciales de Stevia rebaudiana localizados en los centro poblados Las Palmas y Esperanza la se determinó incidencia severidad enfermedades ocasionales por microorganismos patógenos. La investigación desarrolló fases reconocimiento sintomatología, identificación agentes causales determinación pruebas patogenicidad. Se encontraron 8 hongos, como marchitamientos, necrosis raíz, manchas...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2005
Du-Qiang Luo Hong-Jun Shao Hua-Jie Zhu Ji-Kai Liu

In the course of screening for novel naturally occurring fungicides from mushrooms in Yunnan province, China, the ethanol extract of the fruiting bodies of Albatrellus dispansus was found to show antifungal activity against plant pathogenic fungi. The active compound was isolated from the fruiting bodies of A. dispansus by bioassay-guided fractionation of the extract and identified as grifolin ...

2006
K. Czaczyk K. Trojanowska B. Stachowiak

Antifungal activity of Bacillus coagulans creates the possibility to use this microorganism in biological control of fungal plant pathogens. Activity of Bacillus coagulans (No 6), isolated from lupine compost, against seven pathogenic species of indicator fungi: Bipolaris sorokiniana, Trichothecium roseum, Rhizoctonia solani, Sclerotinia sclerotiorum, Fusatium oxysporum, Fusarium solani and Fus...

2012
Marcel Pârvu Alina E. Pârvu

Plant diseases are a threat for global food safety. Allium obliquum, Allium fistulosum, Allium ursinum, Aloe vera, Berberis vulgaris and Chelidonium majus plant extracts were obtained by the repercolation method and the antifungal activity was determined by the agar-dilution assay against Apergillus niger, Botrytis cinerea, Botrytis paeoniae, Fusarium oxysporum f. sp. gladioli, Fusarium oxyspor...

1999
Andrea Minuto Giovanna Gilardi M. L. Gullino Angelo Garibaldi

Four experimental trials were carried out at Albenga (Northern Italy) to evaluate the e!ectiveness of reduced dosages of methyl bromide (MB) applied under gas-impermeable "lms in controlling soilborne pathogens of vegetable crops. Forty and thirty g/m2 of MB applied under di!erent types of gas-impermeable "lms controlled Rhizoctonia solani on bean, lettuce and basil, Fusarium oxysporum f. sp. b...

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