نتایج جستجو برای: pythium spp

تعداد نتایج: 52277  

Journal: :Hortscience 2022

Soil disinfestation with steam has been evaluated in strawberry fruiting fields as a nonchemical method of soil disinfestation; however, little is known about the use for field production daughter plants. The objective this study was to compare plant soils previously treated compared those standard methyl bromide (MB) and chloropicrin (Pic) treatments. A prototype applicator self-propelled dies...

2007
L. A. Nasser

Twenty-one species belonging to ten genera of zoosporic fungi were recovered from 23 surface water samples collected from ponds of accumulated rainfall in the Riyadh region (Saudi Arabia) using sesame seeds as baits at 20 ± 2 C. The most common genera were Allomyces (3 species), Aqualinderella (I species), Dictyuchus (2 species) and Pythium (3 species). The remaining six genera were less freque...

2003
Theresa A. Brimner Greg J. Boland

Biological control agents for plant diseases are currently being examined as alternatives to synthetic pesticides due to their perceived increased level of safety and minimal environmental impacts. Fungal biological control agents have several mechanisms of action that allow them to control pathogens, including mycoparasitism, production of antibiotics or enzymes, competition for nutrients and ...

ژورنال: :بیماریهای گیاهی 2011
فاطمه برزگر مروستی ضیاءالدین بنی هاشمی

در این پژوهش زوال چمن از نظر آلودگی به بیمارگرهای قارچی بررسی گردید. نمونه برداری طی سال های 86 تا 88، از مناطق مختلف چمن کاری در سطح فضای سبز شهر شیراز که علائم زردی و زوال داشت، انجام گرفت و عوامل قارچی از برگ و ریشه چمن های آلوده جداسازی و شناسایی شدند، که در بین این عوامل قارچی، عوامل بیماری زای چمن که به میزان بیشتری جداسازی شد، شامل گونه های fusarium culmorum، f. equiseti، f. solani، f. c...

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