نتایج جستجو برای: root type
تعداد نتایج: 1465706 فیلتر نتایج به سال:
Hairy roots culture is a potential system for secondary metabolite production in medicinal plants. In this research, hairy root induction in Echinacea angustifolia was established using Agrobacterium rhizogenes. The effects of dif-ferent A. rhizogenes strains (AR15834, A4, K599 and MSU440) in two solid growth regula-tor-free culture media, half strength MS salts with B5 vitamins and WPM, were e...
Let be a root system with a subset of positive roots, +. We consider edges of the Hasse diagrams of some posets associated with +. For each edge one naturally defines its type, and we study the partition of the set of edges into types. For +, the type is a simple root, and for the posets of ad-nilpotent and Abelian ideals the type is an affine simple root. We give several descriptions of the se...
OBJECTIVE Epidural venous varicosity (congestion of the epidural vein) is rarely introduced as an influential factor of clinical symptoms. However, there are several studies suggesting that epidural venous varicosity results in neurologic symptoms. We would like to highlight evidence that epidural venous varicosity results in neurologic symptoms and the relation between epidural venous varicosi...
در سال های اخیر هندسه فینسلر نه تنها به عنوان موضوعی مدرن که شامل قضایا و تکنیک های متعدد می باشد مطرح است، بلکه بعنوان موضوعی مهم در حل مسایل ترمودینامیک، اپتیک، اکولوژی، بیولوژی و ... پیشرفت های چشم گیری داشته است. در این پایان نامه متریک های ریشه m-ام تعمیم یافته، روی یک منیفلد n-بعدی m را مورد بررسی قرار می دهیم که خواص جبری خاصی دارند. در مقاله(on einstein m-th root metrics)، نویسندگان خوا...
The effects of low root temperature on growth and root cell water transport were compared between wild-type Arabidopsis (Arabidopsis thaliana) and plants overexpressing plasma membrane intrinsic protein 1;4 (PIP1;4) and PIP2;5. Descending root temperature from 25°C to 10°C quickly reduced cell hydraulic conductivity (Lp) in wild-type plants but did not affect Lp in plants overexpressing PIP1;4 ...
The effects of low root temperature on growth and root cell water transport were compared between wild-type Arabidopsis (Arabidopsis thaliana) and plants overexpressing plasma membrane intrinsic protein 1;4 (PIP1;4) and PIP2;5. Descending root temperature from 25°C to 10°C quickly reduced cell hydraulic conductivity (L(p)) in wild-type plants but did not affect L(p) in plants overexpressing PIP...
The monogenic recessive maize (Zea mays) mutant rootless with undetectable meristems 1 (rum1) is deficient in the initiation of the embryonic seminal roots and the postembryonic lateral roots at the primary root. Lateral root initiation at the shoot-borne roots and development of the aerial parts of the mutant rum1 are not affected. The mutant rum1 displays severely reduced auxin transport in t...
This research investigated the effects of super absorbentpolymers on root characteristics of Avena fatua under two soil textures and three irrigation regimes. The study was arranged according to a factorial experiment based on a completely randomized design with three replications. Hydrogel compositions included three types of super absorbents (Aquasorb, Boloorab A and Stockosorb) with two leve...
Postembryonic development of plants is dependent on both intrinsic genetic programs and environmental factors. The plasticity of root hair patterning in response to environmental signals was investigated in the Columbia-0 wild type and 19 Arabidopsis mutants carrying lesions in various parts of the root hair developmental pathway by withholding phosphate or iron (Fe) from the nutrient medium. I...
Nonsurgical endodontic therapy of a right maxillary first molar with three roots and seven root canals. This unusual morphology was diagnosed using a dental operating microscope (DOM) and confirmed with the help of cone-beam computed tomography (CBCT) images. CBCT axial images showed that both the palatal and distobuccal root have a Vertucci type II canal pattern, whereas the mesiobuccal root s...
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