نتایج جستجو برای: number of kernels per spike 19

تعداد نتایج: 21301069  

2014
Laura Ercoli Alessandro Masoni Silvia Pampana Marco Mariotti Iduna Arduini

Crop sequence is an important management practice that may affect durum wheat (Triticum durum Desf.) production. Field research was conducted in 2007-2008 and 2008-2009 seasons in a rain-fed cold Mediterranean environment to examine the impact of the preceding crops alfalfa (Medicago sativa L.), maize (Zea mays L.), sunflower (Helianthus annuus L.), and bread wheat (Triticum aestivum L.) on yie...

2017
Sheng-Xing Wang Yu-Lei Zhu De-Xin Zhang Hui Shao Peng Liu Jian-Bang Hu Heng Zhang Hai-Ping Zhang Cheng Chang Jie Lu Xian-Chun Xia Gen-Lou Sun Chuan-Xi Ma

Genetic improvement of grain yield is always an important objective in wheat breeding. Here, a genome-wide association study was conducted to parse the complex genetic composition of yield-related traits of 105 elite wheat varieties (lines) using the Wheat 90K Illumina iSelect SNP array. Nine yield-related traits, including maximum number of shoots per square meter (MSN), effective number of sp...

Journal: :پژوهش های کاربردی زراعی (زراعت سابق) 0
علی احمدی کارشناس ارشد مرکز تحقیقات کشاورزی و منابع طبیعی لرستان، خرم آباد طهماسب حسین پور مربی مرکز تحقیقات کشاورزی و منابع طبیعی لرستان، خرم آباد مهدی سلطانی کارشناس ارشد مرکز تحقیقات کشاورزی و منابع طبیعی یزد

an experiment was conducted to determine the effect of five plants densities (100,200,300,400 and 500 grain m-2) on yield and its components in three rain fed barley cultivars (ezeh, mahor and dopar). a factorial experiment based on randomized complete block design with three replications was conducted in agricultural research center of khorramabad city in the east of iran (in 2006-2007). in th...

Journal: :تولید گیاهان زراعی 0
عبدالرحیم صفریان دانشجوی سابق کارشناسی ارشد دانشگاه شهید باهنر کرمان روح اله عبدالشاهی استادیار دانشگاه شهید باهنر کرمان

water use efficiency is positively correlated with grain yield, and being used for indirect selection of high wheat yield in drought prone environments. yet little is known about genetic control of water use efficiency. in this research, a half diallel mating design was generated from crosses between 8 bread wheat to study the genetic of water use efficiency. parents and f1 progenies were plant...

Journal: :Neural computation 2009
António R. C. Paiva Il Park José Carlos Príncipe

This letter presents a general framework based on reproducing kernel Hilbert spaces (RKHS) to mathematically describe and manipulate spike trains. The main idea is the definition of inner products to allow spike train signal processing from basic principles while incorporating their statistical description as point processes. Moreover, because many inner products can be formulated, a particular...

selection tolerant cultivars of wheat (as a strategic plant) under drought stress by using traits that are less affected by the environment, increases efficiencies. In this regard, in order to study some genetic parameters of physiological and agronomical traits and also genetic diversity in spring wheat cultivars under normal irrigation (control) and drought stress conditions in booting stage,...

2011
Zvi Peleg Tzion Fahima Abraham B. Korol Shahal Abbo Yehoshua Saranga

Wheat is undoubtedly one of the world's major food sources since the dawn of Near Eastern agriculture and up to the present day. Morphological, physiological, and genetic modifications involved in domestication and subsequent evolution under domestication were investigated in a tetraploid recombinant inbred line population, derived from a cross between durum wheat and its immediate progenitor w...

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