نتایج جستجو برای: ratio of leaf length to width

تعداد نتایج: 22187079  

African yam bean (Sphenostylis stenocarpa) is an underexploited legume with the potential of becoming an alternative food staple to alleviate the problem of food security. An assessment was carried out on the growth and yield of AYB affected by Telfairia mosaic virus (TeMV) Infection. Telfairia mosaic virus caused severe mosaic, leaf distortion and malformation on AYB. Analyses of results revea...

Journal: :بوم شناسی کشاورزی 0
مرتضی گلدانی مهدی نصیری محلاتی

in order to study the effect of light quality and quantity on morphological and physiological characteristics of two late and early maize (zea maize l.) s.c., an experiment was conducted in greenhouse conditions, ferdowsi university of mashhad, iran, during 2008. the experiment was carried out factorial based on randomized complete block design with six treatments and three replications. differ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه پلیمر و پتروشیمی ایران - پژوهشکده پتروشیمی 1389

this is an original study on the effect of a polyisobutylene – polydimethylsiloxane (pibpdms) block copolymer modifier used as an interfacial active agent on the dynamics behaviour of single newtonian drops suspended in a polyisobutylene (pib) newtonian matrix. the results were divided in two sections. the first part included the experiments carried out on the non-modified and 2% block cop...

Journal: :علوم باغبانی ایران 0
محمد اسماعیل حسنی مریم میرزایی رضا امیدبیگی محمد فتحی قره بابا

the autotetraploidy was achieved in basil using tip meristem treatment of seedlings with various concentrations of colchicine solution (0, 0.05, 0.1, 0.2, 0.5 and 0.75% (w/v) ph = 6). a significant increase in the essential oil content was observed in tetraploids as they carry the potential of productivity of 69 % more oil over the diploids. a field experiment was conducted to investigate the e...

Journal: :علوم باغبانی ایران 0
شیرین نصراله پور مقدم دانشجوی سابق کارشناسی ارشد، دانشکدۀ کشاورزی، دانشگاه ولیعصر(عج) رفسنجان حمید رضا کریمی استادیار، دانشکدۀ کشاورزی، دانشگاه ولیعصر(عج) رفسنجان علی اکبر محمدی میرک دانشیار، دانشکدۀ کشاورزی، دانشگاه ولیعصر(عج) رفسنجان محمد حسین شمشیری دانشیار، دانشکدۀ کشاورزی، دانشگاه ولیعصر(عج) رفسنجان

in order to study morphological variation within seeds and seedlings of a pistachio population of ‘badami-riz-e-zarand’, 20 quantitative traits were measured in sixty-seven nut and seedlings originated from them. results showed that there was positive and significant correlation between traits of nuts (seeds) and kernels, not between seedling height and crown diameter. according to measured par...

Journal: :پژوهش های زراعی ایران 0
محمدبهزاد امیری پرویز رضوانی مقدم رضا قربانی جبار فلاحی رضا دیهیم فرد فرنوش فلاح پور

in order to investigate the effects of plant growth promoting bacteria on growth characteristic of wheat, an experiment was conducted at the research greenhouse, faculty of agriculture, ferdowsi university of mashhad, iran, in year 2009. a completely randomized design based on factorial arrangement (3×6) with three replications was used. the first factor consisted of three cultivars of wheat (c...

Journal: :علوم گیاهان زراعی ایران 0
سید مصطفی صادقی استادیار و عضو هیأت علمی دانشگاه آزاد اسلامی لاهیجان حبیب اله سمیع زاده استادیار دانشکده کشاورزی دانشگاه گیلان فاطمه جاوید کارشناسی ارشد اصلاح نباتات و عضو باشگاه پژوهشگران جوان دانشگاه آزاد، واحد رشت فواد فاتحی دانشجوی سابق دکتری پردیس کشاورزی و منابع طبیعی دانشگاه تهران

to evaluate the effect of environment on the general and specific combining ability of virginia tobacco genotypes, five varieties were intercrossed in combination in 2007 in a half – diallel design. in 2008, the ten f1 population and the five parental lines were sown in two different conditions (drought stress and non-stress) using a complete randomized block design with three replications and ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم 1392

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

2003
W. R. Okie Ralph Scorza

Mature peach leaves are typically about 4 x 16 cm, with a width/length ratio of about 25%. A narrow leaf seedling, selected by Wayne Sherman (Univ. of Florida, Gainesville), was hybridized at USDA-Byron with adapted commercial varieties. Early generation hybrids produced small, irregular-shaped fruit. After 5 generations, current selections are approaching commercial fruit standards in size, co...

اکبری, نفیسه, فرهپور, نادر, یزدانی, شیرین,

Objective: The aim of this study was to investigate the relationship between anthropometric characteristics and crawl and breaststroke performance in adolescent girl swimmers with an emphasis on ratio of length and width of limbs to the height of subjects. Methods: Twenty adolescent female swimmers voluntarily participated in this study. Anthropometric variables, including height , lengt...

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