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Displaying items 1 - 10 of 71 start over

1. "Candidatus phytoplasma australiense," a new phytoplasma taxon associated with Australian grapevine yellows

Description:
Includes references
Author:
Davis, R.E. , Dally, E.L. , Gundersen, D.E. , Lee, I.M. , Habili, N.
Subject:
Phytoplasma , phytoplasmal diseases , Vitis vinifera , wine grapes , microbial genetics , ribosomal DNA , ribosomal RNA , genes , restriction fragment length polymorphism , polymerase chain reaction , nucleotide sequences
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1997

2. A diagnostic genetic test for the honey bee tracheal mite, Acarapis woodi

Description:
Includes references
Author:
Evans, J.D. , Pettis, J.S. , Smith, I.B.
Subject:
genes , cytochrome-c oxidase , Acarapis woodi , mites , Apis mellifera , honey bees , tracheae (invertebrates) , bee diseases , diagnostic techniques , disease detection , pathogen identification , mitochondrial DNA , nucleotide sequences , polymerase chain reaction , genetic markers , molecular epidemiology
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

3. A novel STS marker for polyphenol oxidase activity in bread wheat

Description:
Includes references
Author:
Sun, D.J. , He, Z.H. , Xia, X.C. , Zhang, L.P. , Morris, C.F. , Appels, R. , Ma, W.J. , Wang, H.
Subject:
Triticum aestivum , wheat , catechol oxidase , genes , chromosome mapping , genetic markers , enzyme activity , cultivars , lines , nucleotide sequences , sequence alignment , DNA primers , polymerase chain reaction
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

4. A protocol for direct sequencing of multiple gene specific PCR products from Discula umbrinella, a fungal endophyte, utilizing bufferless precast electrophoresis

Description:
Includes references
Author:
Cohen, Susan D.
Subject:
Discula , endophytes , polymerase chain reaction , genes , nucleotide sequences , sequence analysis , electrophoresis
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

5. A rapid polymerase chain reaction-based assay characterizing rhizosphere populations of 2,4-diacetylphloroglucinol-producing bacteria

Description:
Includes references
Author:
McSpadden Gardener, B.B. , Mavrodi, D.V. , Thomashow, L.S. , Weller, D.M.
Subject:
crops , plant pathogenic fungi , rhizosphere fungi , biological control , Pseudomonas , diagnostic techniques , polymerase chain reaction , strain differences , pathotypes , genetic techniques and protocols , genes , rapid methods , methodology , nucleotide sequences , genetic variation , disease control , plant diseases and disorders , genotype
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

6. Additional evidence of safflower (Carthamus tinctorius) as an alternate host to Cercospora beticola

Description:
Meeting held March 2-5, 2005, Palm Springs, CA.
Author:
Lartey, R.T. , That, T.C.C.T. , Sol, N.I. , Ghoshroy, S. , American Society of Sugar Beet Technologists.
Subject:
Carthamus tinctorius , fungal diseases of plants , Cercospora beticola , foliar diseases , host plants , alternative hosts , pathogenicity , polymerase chain reaction , actin , genes , nucleotide sequences , Montana
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

7. Baculovirus infection of the armyworm (Lepidoptera: Noctuidae) feeding on spiny- or smooth-edged grass (Festuca spp.) leaf blades

Author:
Craig P. Keathley , Robert L. Harrison , Daniel A. Potter
Subject:
Festuca arundinacea , Nucleopolyhedrovirus , Pseudaletia unipuncta , biological resistance , cultivars , death , frass , friction , genes , grasses , infection , instars , leaf blade , nucleotide sequences , peritrophic membrane , plant spines , polymerase chain reaction , scanning electron microscopes , virion , Kentucky
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2012

8. Barcoding generalist predators by polymerase chain reaction: carabids and spiders

Description:
Includes references
Author:
Greenstone, M.H. , Rowley, D.L. , Heimbach, U. , Lundgren, J.G. , Pfannenstiel, R.S. , Rehner, S.A.
Subject:
predatory arthropods , predatory insects , Carabidae , Araneae , mitochondrial DNA , nucleotide sequences , sequence alignment , genes , cytochrome-c oxidase , polymerase chain reaction , ova , larvae , adult insects
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

9. Characteristics of the rhizobia associated with Dalea spp. in the Ordway, Kellogg-Weaver Dunes, and Hayden prairies

Description:
Includes references
Author:
Tlusty, B. , Van Berkum, P. , Graham, P.H.
Subject:
Dalea purpureum , nodulation , Rhizobium , Mesorhizobium , species diversity , polymerase chain reaction , ribosomal RNA , genes , nucleotide sequences , host range , Fabaceae , prairies , habitat fragmentation , Iowa , Minnesota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

10. Characterization of a Novel Adhesin-like Gene and Design of a Real-Time PCR for Rapid, Sensitive, and Specific Detection of Spiroplasma kunkelii

Description:
Includes references
Author:
Wei, W. , Opgenorth, D.C. , Davis, R.E. , Chang, C.J. , Summers, C.G. , Zhao, Y.
Subject:
Zea mays , corn , Spiroplasma kunkelii , plant pathogenic bacteria , bacterial diseases of plants , disease diagnosis , diagnostic techniques , pathogen identification , polymerase chain reaction , genes , microbial genetics , adhesins , phloem , agricultural forecasts , disease outbreaks , disease control , nucleotide sequences , insect vectors , plant pests , Cicadellidae
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006