نتایج جستجو برای: artemisia sieberi besser

تعداد نتایج: 5279  

Journal: :iranian journal of microbiology 0
m mahboubi research center of barij essence pharmaceutical company, kashan, iran. n farzin research center of barij essence pharmaceutical company, kashan, iran.

background and objectives: the artemisia genus of asteraceae family is represented by 34 species in iran. artemisia sieberi grows wild in different regions of iran and grows in desert and semi- desert climate and has forage value for animals and also medicinal properties for humans. in this study we examined the antimicrobial effects of a. sieberi. materials and methods: the antimicrobial activ...

Carbon sequestration in rangeland ecosystems has been identified as a suitable strategy to offset greenhouse gas emissions that information of carbon sequestration hotspots is a good tool to improve rangeland management. Objectives for this study were to assessment potential carbon sequestration in various rangeland types, to identify carbon sequestration hotspots and to study the effective fact...

Journal: :caspian journal of environmental sciences 2011
m. jafari sh. baghbani a. tavili m. a. zare chahouki a. malekian

some chemical characteristics of root, shoot and litter of index species such as salsola rigida, artemisia sieberi and stipa barbata commonly used in rangeland development projects were evaluated and compared. chemical properties of soil under and between the above mentioned species were also studied. for this purpose, vegetation types of stipa barbata and artemisia sieberi - salsola rigida wer...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده کشاورزی 1387

سمپاشی های مکرر و ممتد باعث توسعه مقاومت plutella xylostella l.(lepidoptera: plutellidae) و brevicoryne brassicae l. (homoptera: aphididae) به حشره کش های شیمیایی شده است. جستجو برای روشهای متعدد کنترل این آفات به تحقیق و آزمایش دوباره ترکیبات گیاهی که خواص سمی، ضد تغذیه ای و دورکنندگی دارند، منجر شد. آزمایشات به منظور تحقیق خواص سمی اسانس و عصاره اتانولی artemisia sieberi (besser) وrosmarinus ...

A. Jabarzare H. Yeganeh M. Bassiri

Wormwood sagebrush (Artemisia sieberi Besser) is one of the most widely distributed shrub species in Iran and Turkistan steppes, its establishment on dry lands has generally been proven difficult because of low seedling vigor, inability to compete with herbaceous species, poor seed quality, and altered edaphic conditions. In order to evaluation of planting methods and seedling establishment, se...

Journal: :journal of rangeland science 2010
a. jabarzare m. bassiri h. yeganeh

wormwood sagebrush (artemisia sieberi besser) is one of the most widely distributed shrub species in iran and turkistan steppes, its establishment on dry lands has generally been proven difficult because of low seedling vigor, inability to compete with herbaceous species, poor seed quality, and altered edaphic conditions. in order to evaluation of planting methods and seedling establishment, se...

Journal: :journal of rangeland science 0
marzieh nasiri ahangar behbahan khatam alanbia university of technology somaieh dehdari assistant professor, department of range and watershed management, faculty of natural resources, behbahan khatam alanbia university of technology zohreh khorsandi kouhanestani assistant professor, department of range and watershed management, faculty of natural resources, behbahan khatam alanbia university of technology fariba noedoost assistant professor, department of range and watershed management, faculty of natural resources, behbahan khatam alanbia university of technology

allelopathy is one of the main factors limiting the plants growth. the present study investigated the effect of aqueous extract of leaves and fruit of artemisia sieberi that is an important species for rangeland rehabilitation on seed germination and seedling growth of three alfalfa species (medicago sativa cv. nikshahri, medicago polymorpha and medicago scutellata cv. robinson) in laboratory a...

ژورنال: :مرتع و آبخیزداری 2013
محمد شریفی یزدی فرهنگ قصریانی مینا بیات

به منظور تعیین مناسب ترین حد بهره برداری، مطالعه اثر شدت های مختلف برداشت بر تولید علوفه گونه(artemisia sieberi) در مراتع استپی دهنو بردسیر استان کرمان باجرا درآمد. برای رسیدن به این هدف در سایت یک هکتاری محصور شده به همین منظور آزمایش انجام شد، تیمارهای مورد نظر در این تحقیق شامل چهار شدت برداشت: 25، 50 و 75 درصد برداشت به روش تقلید چرا (simulation) و شاهد (بدون برداشت) بودند. در هر تیمار 10 پ...

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