نتایج جستجو برای: xerophytes plants
تعداد نتایج: 198054 فیلتر نتایج به سال:
a notable amount of medicinal plants grow in iran and local communities in different parts of the country have developed a deep knowledge of various uses of plants during their old history. several ethnobotanical studies have been conducted by the traditional medicine and material medica research center (tmrc) to investigate the use of medicinal plants by local people. some of these studies hav...
background & aim: the aim of this research is investigation and familiarity with the important herbal drugs that have used for traditional curing of animal diseases in different areas of kerman province, iran. from a long time ago native farmers and tribes of different regions used the available natural herbs which existed in those regions to cure animal diseases in different areas of kerma...
background & aim: treatment with herbal medicines is very popular in all over the world. nowadays, using medicinal plants has increased because of undesirable effects of the chemical drugs. more than 10000 plant species are used for medicinal purposes, mainly as traditional medicines in the treatment of dysmenorrhea. the aim of this study was determining the rate of herbal remedies to reli...
tissue culture is an attractive alternative for plant propagation. micropropagation is a technique to ensure a constant and uniform source of ornamental plants. matthiola incana is an important ornamental species mainly cultivate by seed. matthiola incana seeds were germinated on solid ms medium without plant growth regulators. shoot proliferation and root formation are possible using kinetin (...
it is expected that, compared with other power plants, changes in fuel cost for power plants in the deregulated electricity market leads to changes in the generation capacity of wind power plants. to quantify this effect, this article aims at modeling energy generation capacity and supply or distribution of different power plants as opposed to those of wind power plants. the proposed model was ...
فرسایش زمین یکی از مهمترین عوامل تهدید کننده منابع خاکی جهان است. این فرسایش چه توسط باد و چه توسط آب باشد نه تنها سبب فقیر شدن خاک از نظر مواد غذایی می شود، بلکه نقش مهمی در پر شدن مخازن سدها و تهدیدی جدی برای زندگی بشر است. به منظور بررسی تاثیر ریشه های دو گونه کویری بر کاهش فرسایش پذیری خاک، طرحی آزمایشی (گلخانه ای) بصورت کرتهای خرد شده در قالب بلوک کامل تصادفی در دانشگاه صنعتی اصفهان صورت گ...
There is a correspondence between the circulation of blood in all higher animals and the circulation of sap in all higher plants-up to heights h of < ∼ 140 m-through the xylem and phloem vessels. Plants suck in water from the soil, osmotically through the roothair zone, and subsequently lift it osmotically again, and by capillary suction (via their buds, leaves, and fruits) into their crowns. I...
Plants use an array of secondary metabolites to defend themselves against harmful organisms and to attract others that are beneficial. However, the attraction of beneficial organisms could also lead to abuse by malevolent organisms. An exciting example of such abuse is the relationship between plants, beneficial mutualistic arbuscular mycorrhizal fungi and harmful parasitic plants. Signalling m...
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