نتایج جستجو برای: thousand kernel weight

تعداد نتایج: 445983  

Journal: :Math. Comput. 1997
Thomas Schira

For analytic functions the remainder term of Gaussian quadrature rules can be expressed as a contour integral with kernel Kn. In this paper the kernel is studied on elliptic contours for a great variety of symmetric weight functions including especially Gegenbauer weight functions. First a new series representation of the kernel is developed and analyzed. Then the location of the maximum modulu...

2001
Jochum J. Wiersma Robert H. Busch Gary G. Fulcher Gary A. Hareland

reported grain yield increased 3.9 and 7.4% cycle 1, respectively, over two cycles of selection in barley Increasing kernel weight has been proposed as a method to increase (Hordeum vulgare L.). Durum wheat (Triticum turflour extraction in spring wheat (Triticum aestivum L.). Recurrent selection was initiated to increase kernel weight while maintaining gidum L. var. durum) grain yield improved ...

Journal: :Plant physiology 2002
Anis M Limami Clothilde Rouillon Gaëlle Glevarec André Gallais Bertrand Hirel

We have developed an approach combining physiology and quantitative genetics to enhance our understanding of nitrogen (N) metabolism during kernel germination. The physiological study highlighted the central role of glutamine (Gln) synthetase (GS) and Gln synthesis during this developmental process because a concomitant increase of both the enzyme activity and the amino acid content was observe...

Journal: :international journal of advanced biological and biomedical research 2014
mehdi taghizadeghan majid norouzi saeid aharizad

objective: wheat is the most important crop in iran. self sufficiency in wheat production is one of the economic and food safety policies in the country. in spite of the efforts which have been made in this area, the mean of wheat yield in iran is less than its world average. methods: in order to identifying of the high yielding wheat lines with optimal characteristics and to determine the trai...

Journal: :Plant varieties studying and protection 2021

Purpose. Identification of spring barley promising breeding lines with combination adaptive traits under conditions the central part Ukrainian Forest-Steppe. Methods. Field trial, laboratory-field analysis drought tolerance, statistical and graphical experimental data. Results. The variance AMMI model showed that largest contribution to general variation (85.78%) had environmental (years resear...

Journal: :Jornal de pediatria 2007
Eveline C M Castro Alvaro J M Leite

OBJECTIVE To obtain information on the hospital mortality of infants born in Fortaleza with birth weights less than or equal to 1,500 g, and to compare it with data from the Vermont Oxford Network, a center of excellence for neonatal care. METHODS Prospective cohort study, enrolling all infants with birth weight less than or equal to 1,500 g born in Fortaleza between March 1, 2002 and Februar...

2017
Silvano O Assanga Maria Fuentealba Guorong Zhang ChorTee Tan Smit Dhakal Jackie C Rudd Amir M H Ibrahim Qingwu Xue Scott Haley Jianli Chen Shiaoman Chao Jason Baker Kirk Jessup Shuyu Liu

Stable quantitative trait loci (QTL) are important for deployment in marker assisted selection in wheat (Triticum aestivum L.) and other crops. We reported QTL discovery in wheat using a population of 217 recombinant inbred lines and multiple statistical approach including multi-environment, multi-trait and epistatic interactions analysis. We detected nine consistent QTL linked to different tra...

2009
Douglas C. Doehlert Jae-Bom Ohm Michael S. McMullen Neil R. Riveland

Cereal Chem. 86(2):239–246 Test weight and groat proportion are two very important quality characteristics of oat grain. In this study, we pose the hypothesis that these two characteristics are related through characteristics of grain density. Test weight is defined as the product of kernel density and packing proportion. Groat proportion, in theory, is the ratio of the groat mass to the kernel...

2010
Yi Huang Maximilian Nickel Volker Tresp Hans-Peter Kriegel

In this paper we discuss a kernel approach to learning in semantic graphs. To scale up the performance to large data sets, we employ the Nyström approximation. We derive a kernel derived from semantic relations in a local neighborhood of a node. One can apply our approach to problems in multi-relational domains with several thousand graph nodes and more than a million potential links. We apply ...

Journal: :Canadian Journal of Plant Science 2021

Demand is increasing for locally grown malt barley (Hordeum vulgare L.) in northeastern North America, driven primarily by growth the craft beer sector. A multi-site experiment was conducted to evaluate how variety (V), seeding rate (S), and nitrogen (N) fertilizer affect quality northeast. Two varieties (Cerveza Newdale), two rates (200 400 seeds m ?2 ), five of actual applied N fertility (0, ...

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