نتایج جستجو برای: podosphaera aphanis on agrimonia eupatoria
تعداد نتایج: 8409188 فیلتر نتایج به سال:
The name of the first author in the paper by Chen & Cao [Acta Cryst. (2007), E63, o3999] is corrected.[This corrects the article DOI: 10.1107/S1600536807055559.].
ETHNOPHARMACOLOGICAL RELEVANCE Three important Anglo-Saxon medical texts from the 10th century contain herbal formulations for over 250 plant species, many of which have yet to be evaluated for their phytochemical and/or pharmacological properties. In this study, three native British plants were selected to determine antimicrobial activity relevant to treating bacterial infections and wounds. ...
Assessing the impact of natural enemies of plant and animal pathogens on their host's population dynamics is needed to determine the role of hyperparasites in affecting disease dynamics, and their potential for use in efficient control strategies of pathogens. Here, we focus on the long-term study describing metapopulation dynamics of an obligate pathogen, the powdery mildew (Podosphaera planta...
ABSTRACT The effect of variable temperature on the infection severity of Podosphaera macularis was investigated. Potted 'Symphony' hop plants were inoculated and exposed to different temperature regimes that included supraconducive temperatures (30 to 42 degrees C) for varying periods of time (2 to 9 h). Infection severity (lesions per cm(2) of leaf area) was calculated 7 to 10 days after inocu...
Predicting and controlling infectious disease epidemics is a major challenge facing the management of agriculture, human and wildlife health. Co-evolutionarily derived patterns of local adaptation among pathogen populations have the potential to generate variation in disease epidemiology; however, studies of local adaptation in disease systems have mostly focused on interactions between competi...
In this contribution to the mycoflora of Karaj, notes are given on 28 species of micromycetes (Peronosporales, Erysiphales, Dothideales, Leotiales, Ustilaginales and mitosporic fungi) mainly collected by the authors in various parts of Karaj area. Six species are new records for Iran viz. Ramularia geranii var. geranii on Geranium pyrenaicum, Septoria gallica on Colchicum robustum, Sphaerotheca...
Motivation, especially on the relationship of remuneration of government doctors to it, has long been an issue of concern. This study sought to elucidate the demotivating factors in service and the perceived discrepancy in income. It was conducted amongst doctors serving in the Ministry of Health, Negeri Sembilan, using self-administered questionnaires. Factors considered demotivating were remu...
سفیدک های پودری قارچ های انگل اجباری هستند که خسارت شدیدی به گیاهان وارد می آورند. به منظور شناسایی این قارچ ها در استان کهگیلویه و بویراحمد، از گیاهان بیمار در مناطق مختلف این استان نمونه برداری گردید. با مطالعه ی کنیدیوم ها، کنیدیوم برها، آسکوکارپ، آسک ها و آسکوسپورهای این قارچ ها و با استفاده از کلید معتبر شناسایی گونه های این قارچ ها، 20 گونه سفیدک پودری متعلق به 6 جنس blumeria، erysiphe،...
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