نتایج جستجو برای: yield traits

تعداد نتایج: 282138  

2013
Paul Robson Elaine Jensen Sarah Hawkins Simon R. White Kim Kenobi John Clifton-Brown Iain Donnison Kerrie Farrar

To accelerate domestication of Miscanthus, an important energy crop, 244 replicated genotypes, including two different species and their hybrids, were analysed for morphological traits and biomass yield over three growing seasons following an establishment phase of 2 years in the largest Miscanthus diversity trial described to date. Stem and leaf traits were selected that contributed both direc...

2017
Jaswant S Khokhar Sindhu Sareen Bhudeva S Tyagi Gyanendra Singh Apurba K Chowdhury Tapamay Dhar Vinod Singh Ian P King Scott D Young Martin R Broadley

Intensive crop breeding has increased wheat yields and production in India. Wheat improvement in India typically involves selecting yield and component traits under non-hostile soil conditions at regional scales. The aim of this study is to quantify G*E interactions on yield and component traits to further explore site-specific trait selection for hostile soils. Field experiments were conducted...

2000
Mauricio Ulloa William R. Meredith

Molecular techniques have been developed that can enhance breeding efficiency for quantitatively inherited traits, many of which are economically important. Examples include yield, yield components, and fiber properties. Such traits do not consistently fall into discrete classes because environmental conditions greatly modify their performance. Molecular markers such as restriction fragment len...

2014
V. Zink L. Zavadilová J. Lassen M. Štípková M. Vacek L. Štolc

Genetic and phenotypic correlations between production traits, selected linear type traits, and somatic cell score were estimated. The results could be useful for breeding programs involving Czech Holstein dairy cows or other populations. A series of bivariate analyses was applied whereby (co)variance components were estimated using average information (AI-REML) implemented via the DMU statisti...

Journal: Desert 2018
A.R. Kiani F. Ghanbari M.R. Abdollahi S.S. Moosavi,

     Improved drought-tolerant maize hybrids would significantly reduce water consumption and increase yield in arid environments. Our knowledge about genetic parameters is very essential before starting a successful breeding program. The present research was carried out throughout three successive years between 2013-15 to reveal the pattern of inheritance in yield, yield-components and related...

In this research, 50 quinoa genotypes were investigated using 40 pairs of microsatellite markers (SSR) to identify the superior genotypes in terms of grain yield, the components affecting it, and the features linked to the studied traits were also introduced using Association Analysis. The study of grain yield traits and the factors affecting it showed that the traits of day to physiological ma...

Journal: :Journal of animal science 1995
S D Shackelford L V Cundiff K E Gregory M Koohmaraie

Analyses were conducted to develop and test the efficacy of beef carcass cutability prediction equations. Data from 1,602 calf-fed steer carcasses (Germplasm Utilization Project; GPU) were used to develop the equations and an additional 1,160 calf-fed steer carcasses (Germplasm Evaluation Project; GPE) were used to validate the equations. In both experimental groups, USDA yield grade ranged fro...

  TThis study was undertaken with the objective to determine the association between grain yield and its components and identifying traits have the greatest effects on grain yield of 45 mutant lines from tarom-mahaliin a randomized complete block design with three replications. Analysis of variance showed significant differences among genotypes for all traits. Mean comparison showed that line 2...

جهانی, مجتبی, محمدی نژاد, قاسم , نعمت زاده, قربانعلی ,

Facilitate the selection procedure to improve performance of new genotypes of rice is essential. In present study in order to evaluate relationship between grain yields with other agronomic traits, a global rice collection including 100 accessions was seeded in an incomplete block design (triple lattice 10×10). Afterward, grain yield and 14 morphological traits were evaluated. Correlation coeff...

ژورنال: علوم آب و خاک 2009
اصفهانی, مسعود, ربیعی, بابک, سمیع زاده, حبیب الله , صفایی چایی کار, صنم,

In order to study the correlation of agronomic, morphologic and physiologic traits and their effects on grain yield of rice genotypes in two environments (favorable irrigation and water stress), 49 genotypes were evaluated using a completely randomized block design with 3 replications in two experimental conditions. All practices and conditions were the same for the two experiments with the exc...

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