نتایج جستجو برای: plantago major

تعداد نتایج: 620914  

2011
Susan C. Cook-Patton Anurag A. Agrawal

Background: Weedy non-native species have long been predicted to be more phenotypically plastic than native species. Question: Are weedy non-native species more plastic than natives? Organisms: Fourteen perennial plant species: Acer platanoides, Acer saccharum, Bromus inermis, Bromus latiglumis, Celastrus orbiculatus, Celastrus scandens, Elymus repens, Elymus trachycaulus, Plantago major, Plant...

2013
Deepu Pandita

The genus Plantago of family Plantaginaceae includes about 483 species. These are small, annual or perennial herbaceous plants with various medicinal properties. The word Plantago is taken from the “planta” which means “sole of the foot”. The Plantago lagopus is a wild plant. The meiotic studies of Plantago lagopus plants revealed 12 chromosomes. The various stages of meiosis viz; Pachytene, Di...

ژورنال: طب مکمل 2018

Introduction: Antimicrobial activity of oils, plant extracts on various microorganisms has been reported from different areas. In the present study, we tried to exam the activity of Plantago major and Laurus nobilis extracts collected from Semnan province on some of gram-positive and gram-negative bacteria. Methods: This is an experimental study. Plantago major and Laurus nobilis extracts were...

2011
Mohammad Reza Safari Motlagh

Common water-plantain (Alisma plantago-aquatica L.), arrowhead (Sagitaria trifolia L.) and Echinochloa spp. (L.) are among the most important damaging weeds of rice paddies. In this research, Curvularia lunata (Waker) Boedijn was isolated from the said weeds. Then, its effect in different growth stages, i.e. seed, 2-3 leaf stage (seedling) and also in greenhouse conditions was examined in Alism...

Hoseein Yousofi , Mohammad Hassan Ehrampoush , Parvaneh Talebi , Tahereh Zarei Mahmoudabadi ,

Introduction: Paper and paperboard industry wastewater has potentially damaging effects on the ecosystem of the receiving environments due to the presence of toxic compounds. As a result, the treatment of such wastewater is necessary prior to discharge into the environment. In this study, the potential of Plantago major L. seed extract as a natural coagulant in treating paper and paperboar...

Journal: :Planta medica 2003
Lien-Chai Chiang Lean Teik Ng Wen Chiang Mei-Yin Chang Chun-Ching Lin

A number of Plantago spp. especially P. major has long been used in the treatment of diseases such as infection, inflammation and cancer. In this study, we evaluated the immunomodulatory activities of five chemical classes of pure compounds obtained from the Plantago genus on human peripheral blood mononuclear cells (PBMC). Studies were conducted on lymphocyte transformation by BrdU immunoassay...

Journal: :Annals of agricultural and environmental medicine : AAEM 2014
Zulima González Parrado Delia Fernández-González Beatriz Camazón Rosa M Valencia-Barrera Ana M Vega-Maray Juan A Asturias Rafael I Monsalve Paolo Mandrioli

INTRODUCTION Exposure to airborne pollen from certain plants can cause allergic disease, but allergens can also be found in non-pollen-bearing fractions of ambient air. This may explain why the allergic response in susceptible patients does not always coincide with the presence and magnitude of airborne pollen counts. Plantago pollen is an important cause of pollinosis in northern Mediterranean...

Journal: :Proceedings. Biological sciences 2002
James D Bever

A basic tenet of ecology is that negative feedback on abundance plays an important part in the coexistence of species within guilds. Mutualistic interactions generate positive feedbacks on abundance and therefore are not thought to contribute to the maintenance of diversity. Here, I report evidence of negative feedback on plant growth through changes in the composition of their mutualistic fung...

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