نتایج جستجو برای: length of peduncle

تعداد نتایج: 21173524  

افتخاری, علی, باقی زاده, امین, عبدشاهی, روح اله, یعقوبی, مهدی,

Drought is one of the main dangers for optimum production of wheat. Achieving optimal results in breeding programs require to make informed choices of parents based on general and specific combining ability.In order to study the genetic characteristics, general and specific combining abilities and gene actions under drought stress conditions, a half diallel cross including 9 varieties of wheat ...

عزت‌اله فرشادفر, , محسن فرشادفر, ,

Agropyron is one of the most resistant plants to biotic and abiotic stresses. It plays an important role in forage yield in rangelands. Genetic variability based on different markers is the important step in crop improvement. In order to evaluate the genetic variation of different Agropyron species based on morphological and chemical traits, this experiment was carried out in the Agriculture an...

Journal: :علوم باغبانی ایران 0
مصباح بابالار استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران فاطمه خوش سخن دانشجوی سابق کارشناسی ارشد پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمدرضا فتاحی مقدم دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران عباس پورمیدانی مربی پژوهشی، مرکز تحقیقات کشاورزی و منابع طبیعی استان قم

abstract this reasearch was conducted to study the phenotypic diversity of thymus kotschyanus populations. seeds were collected from natural inhabitats (guilan, mazandaran, west azarbaijan, semnan and qazvin) and planted in qom reasearch station in 2007. a number of some such different morphological and phenological traits of the plants as plant,s height, leaf length, leaf width, oil content, i...

Study of heritability, types of genes action and determination of effective breeding strategy to improve physiological and morphological traits especially under drought stress conditions are very important.  For such purpose, an experiment was carried out using the generations of the crosses between two pure lines (Kavir × Roshan) under drought stress and non-stress conditions based on randomiz...

حسنی فر, علی محمد , شهبازی, مریم , شیخ, فاطمه , کلاته عربی, مهدی ,

Finding the appropriate parents for breeding programs is the main aim of selecting in drought tolerant crops and landraces under stresses conditions. In present survey, eigthey wheat landraces and varieties from different areas of Iran were evaluated in Gorgan agricultural research station (as a normal or potential yield) and Mazrae-Nemoneh (as under stress condition) during two years (1999-200...

Journal: :Zootaxa 2015
Sudesh Batuwita Kalana Maduwage Hiranya Sudasinghe

The name Pethia melanomaculata (Deraniyagala) is available for the Sri Lankan fish previously referred to P. ticto, being distinguished from its Indian congeners by the combination of the following characters; having ½4/1/3½ scales in transverse line on body; body depth 32.4-41.5% of standard length (SL); head length (HL) 26.1-29.2% of SL; snout length 25.3-35.6% of HL; eye diameter 24.4-31.9% ...

Journal: : 2022

Phenotypic characterization has been recognized as very important for the identification and selection of promising lines in improvement programs. This study aimed at characterizing selecting early-maturing high-yielding African yam bean (AYB) mutant M2 generation. The experiment was carried out experimental field Institute Agricultural Research Training, Nigeria. design used a randomized compl...

Journal: :Journal of AgriSearch 2023

Agricultural robots were designed based on the characteristics of target crop. In this study, two varieties black pepper including Kaimunda and Panniyur 1 evaluated for physical parameters to design a robotic harvester. The main objective study was measure analyze properties regard, studies conducted spike, peduncle, berry, vine separately. results showed that average length diameter spikes Kar...

2016
Zi-Chao Song Han Miao Song Zhang Ye Wang Sheng-Ping Zhang Xing-Fang Gu

Mechanized harvesting of cucumbers offers significant advantages compared to manual labor as both shortages and costs of labor increase. However the efficient use of machines depends on breeding plants with longer peduncles, but the genetic and molecular basis of fruit peduncle development in cucumber is not well understood. In this study, F2 populations were developed from a cross between two ...

Journal: :The Biological bulletin 1991
E Scemes J C McNamara

The ultrastructure of the radial neuromuscular system of the trachymedusa Liriope tetraphylla was examined to determine the morphological substrate underlying crumpling behavior--the folding of the margin into the subumbrellar cavity by radial muscle contraction. These contractions are produced by the four smooth muscle bands that run the length of the peduncle and extend over the subumbrellar ...

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