نتایج جستجو برای: breeding programs

تعداد نتایج: 251526  

2013
Leonardo S. Vanzetti Nadia Yerkovich Eugenia Chialvo Lucio Lombardo Luis Vaschetto Marcelo Helguera

The identification of genetically homogeneous groups of individuals is an ancient issue in population genetics and in the case of crops like wheat, it can be valuable information for breeding programs, genetic mapping and germplasm resources. In this work we determined the genetic structure of a set of 102 Argentinean bread wheat (Triticum aestivum L.) elite cultivars using 38 biochemical and m...

2016
Kaya Klop-Toker Jose Valdez Michelle Stockwell Loren Fardell Simon Clulow John Clulow Michael Mahony

Mitigation to offset the impacts of land development is becoming increasingly common, with reintroductions and created habitat programs used as key actions. However, numerous reviews cite high rates of poor success from these programs, and a need for improved monitoring and scientific testing to evaluate outcomes and improve management actions. We conducted extensive monitoring of a released po...

2009

I. Specific Aims More than 25% of all mammals in the world are considered “threatened” with half of all species showing a downward trend in population and others considered extinct outside of captivity (International Union for Conservation of Nature (IUCN) 2008 Red List of Threatened Species). This is true despite the numerous traditional conservation strategies that have been employed includin...

2014
R. Carvalheiro

Despite a favorable business model, genomic selection is still not a popular tool for genetic improvement of Nelore cattle in Brazil mainly due to the lack of a costeffective strategy for its application. Different independent Nelore breeding programs have already developed prediction equations for usual and difficult/expensive to measure traits. Unfortunately, some programs are using genomic p...

2011
Aymeric Goyer Kortney Sweek

Biofortification of staple crops like potato via breeding is an attractive strategy to reduce human micronutrient deficiencies. A prerequisite is metabolic phenotyping of genetically diverse material which can potentially be used as parents in breeding programs. Thus, the natural genetic diversity of thiamin and folate contents was investigated in indigenous cultivated potatoes (Solanum tuberos...

2014
J.H.J. van der Werf R. G. Banks S. A. Clark S. J. Lee H. D. Daetwyler B. J. Hayes

Implementation of genomic selection in sheep breeding provides a number of challenges, compared to dairy cattle, because of the higher genetic diversity between and within sheep breeds, the cost of maintaining reference populations and the limited ability of individual breeders to invest in genotyping. Within this study, we compare theoretical and realized genomic prediction accuracies for trai...

2018
Sofía I Deperi Martín E Tagliotti M Cecilia Bedogni Norma C Manrique-Carpintero Joseph Coombs Ruofang Zhang David Douches Marcelo A Huarte

The reported narrow genetic base of cultivated potato (Solanum tuberosum) can be expanded by the introgression of many related species with large genetic diversity. The analysis of the genetic structure of a potato population is important to broaden the genetic base of breeding programs by the identification of different genetic pools. A panel composed by 231 diverse genotypes was characterized...

Journal: :journal of agricultural science and technology 2012
gh. kiani gh. a. nematzadeh b. ghareyazie m. sattari

pyramiding genes related to grain quality and resistance through marker assisted selection (mas) is an important approach in rice breeding programs. marker-assisted selection can be used for monitoring the presence or absence of these genes in breeding populations and can be combined with conventional breeding approaches. this study is a part of cultivar development program in iran through inte...

2010
Dadong Zhang Guihua Bai Chengsong Zhu Jianming Yu Brett F. Carver

Information on genetic diversity and population structure of elite wheat (Triticum aestivum L.) breeding lines promotes effective use of genetic resources. We analyzed 205 elite wheat breeding lines from major winter wheat breeding programs in the USA using 245 markers across the wheat genomes. This collection showed a high level of genetic diversity as refl ected by allele number per locus (7....

Extended Abstract Introduction and Objective: Soybean is one of important oil seed crops through the world due to its high protein and oil contents. In order to evaluation the genetic diversity of this plant concerning to its compatibility to different climate conditions, the divergenet population in order to perform breeding programs is of great importance following by introduction of new cul...

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