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Subjects genetic variation Remove constraint genetic variation: genetic variation Subjects geographical variation Remove constraint geographical variation: geographical variation
Displaying items 1 - 10 of 212 start over

1. A Comparison of U.S. and Chinese Sorghum Germplasm for Early Season Cold Tolerance

Description:
Includes references
Author:
Franks, C.D. , Burow, G.B. , Burke, J.J.
Subject:
Sorghum bicolor , grain sorghum , cold tolerance , germplasm , plant genetic resources , genetic resistance , genetic variation , geographical variation , cultivars , inbred lines , seed germination , seedling emergence , ambient temperature , length , shoots , dry matter accumulation , plant density , hybrids , United States , China
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

2. A conserved haplotype controls parallel adaptation in geographically distant salmonid populations

Author:
Michael R. Miller
Subject:
Oncorhynchus mykiss , adaptation , crossing , fish , genetic variation , geographical variation , haplotypes , population genetics
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2012

3. A core collection for Saccharum spontaneum L. from the world collection of sugarcane

Description:
Includes references
Author:
Tai, P.Y.P. , Miller, J.D.
Subject:
plant genetic resources , gene banks , genetic variation , geographical variation , agronomic traits , sampling , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

4. A Genome Wide Survey of SNP Variation Reveals the Genetic Structure of Sheep Breeds

Description:
Includes references
Author:
Kijas, James W. , Townley, David , Dalrymple, Brian P. , Heaton, Michael P. , Maddox, Jillian F. , McGrath, Annette , Wilson, Peter , Ingersoll, Roxann G. , McCulloch, Russell , McWilliam, Sean , Tang, Dave , McEwan, John , Cockett, Noelle , Oddy, V. Hutton , Nicholas, Frank W. , Raadsma, Herman
Subject:
sheep , sheep breeds , genetic variation , single nucleotide polymorphism , genome , genomics , geographical variation , breed differences , zoogeography
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

5. A Modified Amino Acid Analysis Using PITC Derivatization for Soybeans with Accurate Determination of Cysteine and Half-Cystine

Description:
Includes references
Author:
Kwanyuen, Prachuab , Burton, Joseph W.
Subject:
Glycine max , soybeans , cultivars , genetic variation , seeds , chemical constituents of plants , chemical analysis , analytical methods , plant proteins , amino acid composition , amino acids , cysteine , cystine , geographical variation , high performance liquid chromatography , acid hydrolysis
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2010

6. A monomorphic haplotype of chromosome Ia is associated with widespread success in clonal and nonclonal populations of Toxoplasma gondii

Description:
Includes references
Author:
Khan, Asis , Miller, Natalle , Roos, David S. , Dubey, J.P. , Ajzenberg, Daniel , Darde, Marie Laure , Ajioka, James W. , Rosenthal, Benjamin , Sibley, L. David
Subject:
Toxoplasma gondii , ancestry , animal parasites and pests , clones , disease transmission , genes , genetic polymorphism , genetic variation , geographical variation , haplotypes , human diseases , humans , infection , loci , mixing , parasites , pathogens , population structure , virulence , Europe , North America , South America
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2011

7. A Multigene phylogeny of the Gibberella fujikuroi species complex: Detection of additional phylogenetically distinct species

Description:
Includes references
Author:
O'Donnell, K. , Nirenberg, H.I. , Aoki, T. , Cigelnik, E.
Subject:
Gibberella fujikuroi , Fusarium , plant pathogenic fungi , multigene family , ribosomal DNA , internal transcribed spacers , mitochondrial DNA , phylogeny , geographical variation , genetic variation , Nigeria , Madagascar , Niger , Tanzania , Sudan , New Guinea , Japan , South Africa , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2000

8. AFLP comparisons among Claviceps africana isolates from the United States, Mexico, Africa, Australia, India, and Japan

Description:
Includes references
Author:
Tooley, P.W. , Goley, E.D. , Carras, M.M. , O'Neill, N.R.
Subject:
Claviceps , strains , strain differences , genetic markers , genetic techniques and protocols , geographical variation , genetic distance , genetic variation , amplified fragment length polymorphism , United States , Mexico , Africa , Australia , India , Japan
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2002

9. AFLP Discrimination of Native North American and Cultivated Hop

Description:
Includes references
Author:
Townsend, M. Shaun , Henning, John A.
Subject:
Humulus lupulus , hops , plant breeding , brewing , agricultural history , plant genetic resources , artificial selection , geographical variation , germplasm , genetic markers , genetic variation , amplified fragment length polymorphism , domestication , cultivars , wild plants
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

10. AFLP diversity within and among hardinggrass populations

Description:
Includes references
Author:
Mian, M.A.R. , Zwonitzer, J.C. , Chen, Y. , Saha, M.C. , Hopkins, A.A.
Subject:
Phalaris aquatica , forage grasses , forage crops , amplified fragment length polymorphism , genetic variation , cultivars , genotype , genetic markers , geographical variation , Oklahoma
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005