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Subjects genetic variation Remove constraint genetic variation: genetic variation Year 2008 Remove constraint 2008: 2008
Displaying items 221 - 226 of 226 start over

221. Variation for Fruit Morphological Characteristics in a Capsicum chinense Jacq. Germplasm Collection

Description:
Includes references
Author:
Jarret, Robert Lawrence , Berke, Terry
Subject:
Capsicum chinense , hot peppers , fruits (plant anatomy) , shape , plant morphology , phenotypic variation , germplasm , plant genetic resources , length , width , weight , color , genetic variation , germplasm conservation
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

222. Virulence Frequencies in Oat Crown Rust in the United States from 2001 Through 2005

Description:
Includes references
Author:
Carson, M.L.
Subject:
Puccinia coronata , rust diseases , virulence , strains , strain differences , Avena sativa , oats , Avena fatua , wild relatives , grass weeds , genotype , genetic variation , phenology , disease resistance , genetic resistance , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

223. When invasion increases population genetic structure: a study with Centaurea diffusa

Description:
Includes references
Author:
Marrs, Robin A. , Sforza, René , Hufbauer, Ruth A.
Subject:
Centaurea diffusa , weeds , introduced plants , invasive species , ecological invasion , population genetics , population structure , microsatellite repeats , genetic markers , genetic variation , alleles , geographical distribution , species diversity , North America , Europe , Asia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

224. Will Stem Rust Destroy the World's Wheat Crop

Description:
Includes references
Author:
Singh, Ravi P. , Hodson, David P. , Huerta-Espino, Julio , Jin, Yue , Njau, Peter , Wanyera, Ruth , Herrera-Foessel, Sybil A. , Ward, Richard W.
Subject:
Triticum aestivum , wheat , rust diseases , Puccinia graminis , plant pathogenic fungi , pathogenicity , epidemiology , disease resistance , plant breeding , pathotypes , genetic variation , genetic resistance , literature reviews
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

225. Worker Size in the Formosan Subterranean Termite in Relation to Colony Breeding Structure as Inferred from Molecular Markers

Description:
Includes references
Author:
Husseneder, C. , Powell, J.E. , Grace, J.K. , Vargo, E.L. , Matsuura, K.
Subject:
Coptotermes formosanus , subterranean termites , worker insects , body size , body weight , insect colonies , mating systems , reproductives , inbreeding , genetic markers , microsatellite repeats , genetic variation , heterozygosity , geographical variation , China , Hawaii , Louisiana
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

226. Y-Chromosome Variability in Four Native American Populations from Panama

Author:
Marina S. Ascunce , Angelica Gonzalez-Oliver , Connie J. Mulligan
Subject:
American Indians , Y chromosome , gene frequency , genes , genetic variation , haplotypes , loci , males , microsatellite repeats , Panama
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008