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Subjects genetic variation Remove constraint genetic variation: genetic variation Subjects strain differences Remove constraint strain differences: strain differences
Displaying items 1 - 10 of 121 start over

1. 'Rondo', a Long-Grain Indica Rice with Resistances to Multiple Diseases

Description:
Includes references
Author:
Yan, WenGui , McClung, Anna M.
Subject:
Oryza sativa , rice , grain crops , cultivars , germplasm releases , grain yield , genetic variation , Magnaporthe grisea , plant pathogenic fungi , blast disease , disease resistance , genetic resistance , strain differences , plant genetic resources , plant diseases and disorders , food quality , food processing quality , high-yielding varieties , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2010

2. A Genetic Shift in the Virus Strains that Cause Mosaic in Louisiana Sugarcane

Description:
Includes references
Author:
Grisham, M.P. , Pan, Y.B.
Subject:
Saccharum officinarum , sugarcane , genetic variation , temporal variation , genotype , Sugarcane mosaic virus , plant viruses , plant diseases and disorders , reverse transcriptase polymerase chain reaction , restriction fragment length polymorphism , pathogen identification , nucleotide sequences , Sorghum mosaic virus , strains , strain differences , signs and symptoms (plants) , disease surveillance , microbial genetics , Louisiana
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

3. 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

4. A Survey of Genetic Variation in Streptomyces Isolates Causing Potato Common Scab in the United States

Description:
Includes references
Author:
Wanner, L.A.
Subject:
Solanum tuberosum , potatoes , bacterial diseases of plants , Streptomyces , plant pathogenic bacteria , pathogenicity , disease incidence , geographical distribution , surveys , pathotypes , genetic markers , virulence , genetic variation , strain differences , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

5. AFLP comparisons among Claviceps africana isolates from the United States, Mexico, Africa, Australia, India, and Japan

Description:
Includes references
Author:
Tooley, P.W. , Goley, E.D. , Carras, M.M. , O'Neill, N.R.
Subject:
Claviceps , strains , strain differences , genetic markers , genetic techniques and protocols , geographical variation , genetic distance , genetic variation , amplified fragment length polymorphism , United States , Mexico , Africa , Australia , India , Japan
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2002

6. Allelic variation of a Beauveria bassiana (Ascomycota: Hypocreales) minisatellite is independent of host range and geographic origin

Description:
Includes references
Author:
Coates, B.S. , Hellmich, R.L. , Lewis, L.C.
Subject:
Beauveria bassiana , alleles , genetic variation , microsatellite repeats , host range , geographical variation , polymerase chain reaction , Beauveria , Beauveria brongniartii , pathogenicity , ecotypes , genetic markers , molecular genetics , strains , strain differences , nucleotide sequences , species differences
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2002

7. Amplified fragment length polymorphism used for inter- and intraspecific differentiation of screwworms (Diptera: Calliphoridae)

Description:
Includes references
Author:
Alamalakala, L. , Skoda, S.R. , Foster, J.E.
Subject:
Cochliomyia hominivorax , Cochliomyia macellaria , pest identification , amplified fragment length polymorphism , genetic variation , strain differences , species differences , population genetics
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

8. Anthracnose resistant dry bean cultivars from the Mexican Highlands, pathotype 1472.

Author:
Jimenez-Hernandez, Y. , Rodriguez-Guerra, R. , Acosta-Gallegos, J.A.
Subject:
Phaseolus vulgaris , beans , Colletotrichum lindemuthianum , plant pathogenic fungi , anthracnose , pathotypes , cultivars , disease resistance , genetic resistance , genetic variation , alleles , strains , strain differences , Mexico
Physical description:
p. 182-183.
Collection:
Reports of Bean Improvement Cooperative and National Dry Bean Council Research Conference
Series:
Annual report.
Part Of:
Annual report. 2008 Mar., v. 51

9. Assessing nuclear and mitochondrial DNA sequence variation within Steinernema (Rhabditida:Steinernematidae)

Description:
Includes references
Author:
Szalanski, A.L. , Taylor, D.B. , Mullin, P.G.
Subject:
Steinernema , Steinernema feltiae , ribosomal DNA , mitochondrial DNA , structural genes , cytochrome-c oxidase , nucleotide sequences , genetic variation , genetic distance , strain differences , chemotaxonomy , phylogeny , entomopathogenic nematodes
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2000

10. Biologic and genetic characteristics of Toxoplasma gondii isolates in free-range chickens from Costa Rica, Central America

Description:
Includes references
Author:
Dubey, J.P. , Su, C. , Oliveira, J. , Morales, J.A. , Bolanos, R.V. , Sundar, N. , Kwok, O.C.H. , Shen, S.K.
Subject:
chickens , toxoplasmosis , Toxoplasma gondii , seroprevalence , infection , bioassays , mice , cats , genetic variation , genetic polymorphism , alleles , genotype , strain differences , Costa Rica
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006