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Displaying items 11 - 20 of 65 start over

11. Classification of aster yellows-group phytoplasmas based on combined analyses of rRNA and tuf gene sequences

Description:
Includes references
Author:
Marcone, C. , Lee, I.M. , Davis, R.E. , Ragozzino, A. , Seemuller, E.
Subject:
Phytoplasma , plant pathogenic bacteria , aster yellows , ribosomal DNA , restriction fragment length polymorphism , strain differences , nucleotide sequences , genes , phylogeny
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2000

12. Classification of new phytoplasmas associated with diseases of strawberry in Florida, based on analysis of 16S rRNA and ribosomal protein gene operon sequences

Description:
Includes references
Author:
Jomantiene, R. , Davis, R.E. , Maas, J. , Dally, E.L.
Subject:
Fragaria ananassa , strawberries , phytoplasmal diseases , Phytoplasma , plant pathogenic bacteria , nucleotide sequences , operon , genes , ribosomal proteins , ribosomal RNA , ribosomal DNA , restriction fragment length polymorphism , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1998

13. Classification of the uptake hydrogenase-positive (Hup+) bean rhizobia as Rhizobium tropici

Description:
Includes references
Author:
Van Berkum, P. , Navarro, R.B. , Vargas, A.A.T.
Subject:
Rhizobium , chemotaxonomy , restriction fragment length polymorphism , ribosomal DNA , nucleotide sequences , phylogeny , ferredoxin hydrogenase , Phaseolus vulgaris , repetitive sequences
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1994

14. Collapse of species boundaries in the wild potato Solanum brevicaule complex (Solanaceae, S. sect. Petota): molecular data

Description:
Includes references
Author:
Miller, J.T. , Spooner, D.M.
Subject:
Solanum , potatoes , plant taxonomy , descriptions , geographical distribution , cultivars , wild relatives , phylogeny , genetic relationships , DNA profiling , nucleotide sequences , restriction fragment length polymorphism , random amplified polymorphic DNA technique , Solanum brevicaule , South America , Peru , Bolivia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1999

15. Comments on RFLP mapping and transformation in beans.

Author:
Mok, D.W.S.
Subject:
Phaseolus , chromosome mapping , nucleotide sequences , genome , restriction fragment length polymorphism
Physical description:
p. vi-x.
Collection:
Reports of Bean Improvement Cooperative and National Dry Bean Council Research Conference
Series:
Annual report.
Part Of:
Annual report. 1989. v. 32

16. Comparison of rhizobia that nodulate Medicago laciniata and Medicago truncatula present in a single Tunisian arid soil

Description:
Includes references
Author:
Badri, Y. , Zribi, K. , Badri, M. , Huguet, T. , Van Berkum, P. , Aouani, M.E.
Subject:
Medicago , Medicago truncatula , nodulation , Sinorhizobium meliloti , ribosomal RNA , genes , restriction fragment length polymorphism , nucleotide sequences , host specificity , arid soils , Tunisia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

17. Culture-independent analysis of midgut microbiota in the arbovirus vector Culicoides sonorensis (Diptera: Ceratopogonidae)

Description:
Includes references
Author:
Campbell, C.L. , Mummey, D.L. , Schmidtmann, E.T. , Wilson, W.C.
Subject:
Culicoides sonorensis , Culicoides variipennis , midgut , intestinal microorganisms , Eubacteria , species diversity , ribosomal DNA , nucleotide sequences , restriction fragment length polymorphism , strain differences , geographical variation , hematophagy , insect vectors , vector competence , arboviruses , Ceratopogonidae , species differences , Colorado , Nebraska
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

18. Development of a PCR Assay and Marker-Assisted Transfer of Leaf Rust and Stripe Rust Resistance Genes Lr57 and Yr40 into Hard Red Winter Wheats

Description:
Includes references
Author:
Kuraparthy, Vasu , Sood, Shilpa , See, Deven R. , Gill, Bikram S.
Subject:
Triticum aestivum , hard red winter wheat , polymerase chain reaction , genetic markers , marker-assisted selection , Puccinia recondita , Puccinia striiformis , plant pathogenic fungi , rust diseases , disease resistance , genetic resistance , Aegilops geniculata , introgression , interspecific hybridization , wide hybridization , backcrossing , cultivars , homozygosity , restriction fragment length polymorphism , nucleotide sequences
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

19. Differentiation of Diaprepes abbreviatus and Pachnaeus litus (Coleoptera: Curculionidae) egg masses: PCR-restriction fragment-length polymorphism and species-specific PCR amplification of 18S rDNA products

Description:
Includes references
Author:
Weathersbee, A.A. III , Bullock, R.C. , Panchal, T.D. , Dang, P.M.
Subject:
Diaprepes abbreviatus , Pachnaeus , pest identification , genotype , egg masses , polymerase chain reaction , restriction fragment length polymorphism , genetic markers , single nucleotide polymorphism , DNA primers , ribosomal DNA , nucleotide sequences , molecular systematics , detection , Curculionidae , insect pests
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2003

20. Environmental impact assessment of transgenic plums on the diversity of Plum pox virus populations

Description:
Paper presented at the Twentieth International Symposium on Virus and Virus-Like Diseases of Temperate Fruit Crops--Fruit Tree Diseases, held May 22-26, 2006, Antalya, Turkey.
Author:
Zagrai, I. , Zagrai, L. , Gaboreanu, I. , Pamfil, D. , Scorza, R. , Ravelonandro, M. , Ferencz, B. , Popescu, O. , Capote, N.
Subject:
Prunus domestica , plums , transgenic plants , Plum pox virus , plant viruses , disease resistance , genetic resistance , environmental impact , microbial genetics , genetic variation , population genetics , environmental assessment , coat proteins , nucleotide sequences , strains , restriction fragment length polymorphism
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008