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Year 2004 Remove constraint 2004: 2004 Subjects genetic distance Remove constraint genetic distance: genetic distance
Displaying items 1 - 10 of 12 start over

1. A first assessment of mitochondrial DNA variation and geographic distribution of haplotypes in Hessian fly (Diptera: Cecidomyiidae)

Description:
Includes references
Author:
Johnson, A.J. , Schemerhorn, B.J. , Shukle, R.H.
Subject:
Mayetiola destructor , insect pests , mitochondrial DNA , ribosomal DNA , nucleotide sequences , sequence alignment , sequence homology , haplotypes , genetic variation , genetic distance , phylogeny , population genetics , geographical distribution , zoogeography , biotypes , Wolbachia , United States , Canada , Mediterranean region , Asia , New Zealand
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. Detection and characterization of a new strain of citrus canker bacteria from Key/Mexican lime and alemow in South Florida

Description:
Includes references
Author:
Sun, X. , Stall, R.E. , Jones, J.B. , Cubero, J. , Gottwald, T.R. , Graham, J.H. , Dixon, W.N. , Schubert, T.S. , Chaloux, P.H. , Stromberg, V.K.
Subject:
Xanthomonas axonopodis pv. citri , Xanthomonas citri , plant pathogenic bacteria , pathogen identification , genetic distance , fatty acids , principal component analysis , genetic variation , phenotypic variation , disease detection , cankers (plants) , bacterial diseases of plants , Citrus aurantiifolia , limes , fruit trees , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Detection of DNA polymorphisms in Homalodisca coagulata (Homoptera: Cicadellidae) by polymerase chain reaction-based DNA fingerprinting methods

Description:
Includes references
Author:
De Leon, J.H. , Jones, W.A.
Subject:
genetic polymorphism , nucleotide sequences , DNA profiling , microsatellite repeats , genetic markers , loci , genetic variation , genetic distance , geographical variation , insect vectors , pest identification , California , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Diversity among melon landraces (Cucumis melo L.) from Greece and their genetic relationships with other melon germplasm of diverse origins

Description:
Includes references
Author:
Staub, J.E. , Lopez-Sese, A.I. , Fanourakis, N.
Subject:
Cucumis melo , melons , landraces , inbred lines , germplasm , plant genetic resources , genetic variation , genetic markers , random amplified polymorphic DNA technique , genetic polymorphism , loci , agronomic traits , plant morphology , disease resistance , powdery mildew , Sphaerotheca fuliginea , plant pathogenic fungi , genetic distance , cultivars , Greece
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Ethiopian soils harbor natural populations of rhizobia that form symbioses with common bean (Phaseolus vulgaris L.)

Description:
Includes references
Author:
Beyene, D. , Kassa, S. , Ampy, F. , Asseffa, A. , Gebremedhin, T. , van Berkum, P.
Subject:
Rhizobium , nitrogen-fixing bacteria , nodulation , symbiosis , genetic distance , phylogeny , genetic variation , Ethiopia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Genetic similarities among geographic isolates of Lysiphlebus testaceipes (Hymenoptera: Aphidiidae) differing in cold temperature tolerances

Description:
Includes references
Author:
Shufran, K.A. , Weathersbee, A.A. III , Jones, D.B. , Elliott, N.C.
Subject:
Lysiphlebus testaceipes , genetic variation , geographical variation , cold tolerance , mitochondrial DNA , cytochrome-c oxidase , ribosomal DNA , nucleotide sequences , sequence homology , phylogeny , genetic distance , parasitoids , biological control agents , host strains , Nebraska , Texas , Oklahoma , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Genetic structuring of boll weevil populations in the US based on RAPD markers

Description:
Includes references
Author:
Kim, K.S. , Sappington, T.W.
Subject:
Anthonomus grandis grandis , Curculionidae , insect pests , population genetics , random amplified polymorphic DNA technique , genetic markers , loci , heterozygosity , genetic variation , geographical variation , genetic distance , phylogeny , gene flow , migration behavior , United States , Mexico
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. Geographical parameters and proximity to related species predict genetic variation in the inbred potato species Solanum verrucosum Schlechtd

Description:
Includes references
Author:
Del Rio, A.H. , Bamberg, J.B.
Subject:
Solanum , potatoes , wild relatives , genetic variation , geographical distribution , geographical variation , genetic distance , prediction , introgression , Solanum verrucosum , Mexico
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. Mining EST databases to resolve evolutionary events in major crop species

Description:
Includes references
Author:
Schlueter, J.A. , Dixon, P. , Granger, C. , Grant, D. , Clark, L. , Doyle, J.J. , Shoemaker, R.C.
Subject:
crops , Zea mays , corn , Oryza sativa , rice , Sorghum bicolor , grain sorghum , Hordeum vulgare , barley , Solanum tuberosum , potatoes , Solanum lycopersicum var. lycopersicum , tomatoes , Medicago truncatula , Glycine max , soybeans , genome , evolution , genomics , expressed sequence tags , databases , bioinformatics , genetic distance , gene duplication
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Molecular distinction between populations of Gonatocerus morrilli, egg parasitoids of the glassy-winged sharpshooter from Texas and California: Do cryptic species exist?

Description:
Includes references
Author:
de Leon, J.H. , Jones, W.A. , Morgan, D.J.W.
Subject:
Gonatocerus , parasitoids , population genetics , genetic variation , genetic markers , DNA profiling , genetic polymorphism , loci , genetic distance , internal transcribed spacers , geographical variation , Homalodisca vitripennis , Texas , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004