Search National Agricultural Library Digital Collections

Displaying items 1 - 10 of 30 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 longitudinal study of cryptosporidiosis in dairy cattle from birth to 2 years of age

Description:
Includes references
Author:
Santín, Mónica , Trout, James M. , Fayer, Ronald
Subject:
dairy cattle , calves , dairy cows , Cryptosporidium , animal pathogens , cryptosporidiosis , animal age , temporal variation , neonates , adult animals , polymerase chain reaction , feces , ribosomal DNA , fluorescent antibody technique , nucleotide sequences , disease prevalence , pathogen identification , Cryptosporidium parvum , Cryptosporidium bovis , Cryptosporidium andersoni , genotype , Maryland
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

3. A PCR-based method for the detection of Ophiosphaerella agrostis in creeping bentgrass

Description:
Includes references
Author:
Kaminski, J.E. , Dernoeden, P.H. , O'Neill, N.R. , Wetzel, H.C. III
Subject:
Pleosporales , plant pathogenic fungi , pathogen identification , internal transcribed spacers , ribosomal DNA , disease detection , polymerase chain reaction , fungal diseases of plants , Agrostis stolonifera , grasses , host plants , seeds , oligonucleotides , DNA primers , nucleotide sequences
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

4. Association of beet leafhopper (Hemiptera: Cicadellidae) with a clover proliferation group phytoplasma in Columbia Basin of Washington and Oregon. [Erratum: 2005 Aug., v. 98, no. 4, p. iv-v.]

Description:
Includes references
Author:
Crosslin, J.M. , Munyaneza, J.E. , Jensen, A. , Hamm, P.B.
Subject:
Circulifer tenellus , 16SrVI (Clover proliferation group) , insect vectors , detection , ribosomal DNA , polymerase chain reaction , nucleotide sequences , sequence homology , molecular systematics , pathogen identification , Potato purple top phytoplasma , phytoplasmal diseases , Washington , Oregon
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

5. Carrot Purple Leaf: A New Spiroplasmal Disease Associated with Carrots in Washington State

Description:
Includes references
Author:
Lee, I.M. , Bottner, K.D. , Munyaneza, J.E. , Davis, R.E. , Crosslin, J.M. , Du Toit, L.J. , Crosby, T.
Subject:
Daucus carota , carrots , Spiroplasma citri , plant pathogenic bacteria , signs and symptoms (plants) , color , shoots , roots , polymerase chain reaction , pathogen identification , disease detection , restriction fragment length polymorphism , ribosomal DNA , Phytoplasma , phytoplasmal diseases , nucleotide sequences , sequence analysis , mixed infection , new geographic records , Washington
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

6. Complete mitochondrial DNA sequence of the important honey bee pest, Varroa destructor (Acari: Varroidae)

Description:
Includes references
Author:
Evans, J.D. , Lopez, D.L.
Subject:
Varroa , mitochondrial DNA , genes , ribosomal DNA , nucleotide sequences , polymerase chain reaction , haplotypes , Apis mellifera , honey bees , ectoparasites , genomics , DNA primers
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2002

7. Cryptosporidium Pig Genotype II Diagnosed in Pigs From the State of Rio De Janeiro, Brazil

Author:
V. R.S. Fiuza , S. S.M. Gallo , E. Frazão-Teixeira , M. Santín , R. Fayer , F. C.R. Oliveira
Subject:
Cryptosporidium , cattle , cryptosporidiosis , feces , genes , genotype , humans , nucleotide sequences , polymerase chain reaction , ribosomal DNA , ribosomal RNA , risk , swine , swine diseases , zoonoses , Brazil
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2011

8. Detecting the egg parasitoid Anaphes iole (Hymenoptera: Mymaridae) in tarnished plant bug (Heteroptera: Miridae) eggs by using a molecular approach

Description:
Includes references
Author:
Zhu, Y.C. , Williams, L. III.
Subject:
Anaphes , Lygus lineolaris , parasitoids , ova , parasitism , detection , ribosomal DNA , nucleotide sequences , polymerase chain reaction , genetic markers , biological control agents
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2002

9. Detection and differentiation of parasitoids (Hymenoptera: Aphidiidae and Aphelinidae) of the brown citrus aphid (Homoptera: Aphididae): species-specific polymerase chain reaction amplification of 18S rDNA

Description:
Includes references
Author:
Weathersbee, A.A. III , Shufran, K.A. , Panchal, T.D. , Dang, P.M. , Evans, G.A.
Subject:
Lysiphlebus testaceipes , Aphidiidae , Aphelinus , parasitoids , detection , molecular systematics , ribosomal DNA , polymerase chain reaction , nucleotide sequences , sequence alignment , genetic variation , DNA primers , Toxoptera citricida , parasitism , temporal variation , Aphidoidea , insect pests
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Detection and quantification of airborne conidia of Fusarium circinatum, the causal agent of pine pitch canker, from two California sites by using a real-time PCR approach combined with a simple spore trapping method

Description:
Includes references
Author:
Schweigkofler, W. , O'Donnell, K. , Garbelotto, M.
Subject:
Fusarium , plant pathogenic fungi , conidia , air microbiology , sampling , paper , polymerase chain reaction , ribosomal DNA , nucleotide sequences , microbial detection , cankers (plants) , fungal diseases of plants , tree diseases , Pinus radiata , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004