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Subjects genetic variation Remove constraint genetic variation: genetic variation Year 2001 Remove constraint 2001: 2001
Displaying items 51 - 60 of 65 start over

51. quantifying spatial and temporal genotypic changes in white clover populations by RAPD technology

Description:
Includes references
Author:
Gustine, D.L. , Sanderson, M.A.
Subject:
Trifolium repens , spatial variation , temporal variation , population genetics , grazing , DNA profiling , leaves , clones , genetic variation , genotype , random amplified polymorphic DNA technique , recruitment , population , Pennsylvania
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

52. Recurrent selection for kernel weight in spring wheat

Description:
Includes references
Author:
Wiersma, J.J. , Busch, R.H. , Fulcher, G.G. , Hareland, G.A.
Subject:
height , plant characteristics , Triticum aestivum , recurrent selection , seeds , selection criteria , genetic variation , milling quality , tillers , inflorescences , length , protein content , genetic variance , North Dakota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

53. Response of ancestral soybean lines and commercial cultivars to Rhizoctonia root and hypocotyl rot

Description:
Includes references
Author:
Bradley, C.A. , Hartman, G.L. , Nelson, R.L. , Mueller, D.S. , Pedersen, W.L.
Subject:
Glycine max , Thanatephorus cucumeris , hypocotyls , cultivars , landraces , genetic variation , disease resistance , plant genetic resources , roots , root rot , genotype , biological resistance
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

54. Rising atmospheric carbon dioxide and seed yield of soybean genotypes

Description:
Includes references
Author:
Ziska, L.H. , Bunce, J.A. , Caulfield, F.A.
Subject:
Glycine max , crop yield , genetic variation , maturity groups , plant morphology , branches , pods , carbon dioxide , genotype , seed productivity
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

55. Root characteristics in pea in relation to compaction and Fusarium root rot

Description:
Includes references
Author:
Kraft, J.M. , Boge, W.
Subject:
Pisum sativum , Fusarium solani f. sp. pisi , roots , length , density , surface area , diameter , soil compaction , cultivars , bulk density , root systems , cotyledons , genetic variation
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

56. Seasonal dynamics of nonstructural carbohydrate partitioning in 15 diverse rice genotypes

Description:
Includes references
Author:
Samonte, S.O.P.B. , Wilson, L.T. , McClung, A.M. , Tarpley, L.
Subject:
Oryza sativa , dry matter partitioning , carbohydrates , seasonal variation , genetic variation , crop yield , tillers , cultivars , inbred lines , developmental stages , genotype , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

57. Simple sequence repeat analysis of a clonally propagated species: a tool for managing a grape germplasm collection

Description:
Includes references
Author:
Dangl, G.S. , Mendum, M.L. , Prins, B.H. , Walker, M.A. , Meredith, C.P. , Simon, C.J.
Subject:
Vitis vinifera , germplasm , plant genetic resources , microsatellite repeats , genetic techniques and protocols , clones , genetic variation , cultivars , alleles , genetic distance
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

58. Sources and movement of Salmonella through integrated poultry operations: a multistate epidemiological investigation

Description:
Includes references
Author:
Bailey, J.S. , Stern, N.J. , Fedorka-Cray, P. , Craven, S.E. , Cox, N.A. , Cosby, D.E. , Ladely, S. , Musgrove, M.T.
Subject:
poultry production , broilers , Salmonella , epidemiology , poultry housing , microbial contamination , disease prevalence , seasonal variation , food processing , sampling , genetic variation
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

59. Taxon-specific oligonucleotide primers for detection of Glomus etunicatum

Description:
Includes references
Author:
Millner, P.D. , Mulbry, W.W. , Reynolds, S.L.
Subject:
Glomus etunicatum , mycorrhizal fungi , diagnostic techniques , internal transcribed spacers , polymerase chain reaction , DNA primers , ribosomal DNA , genetic variation , phylogeny , vesicular arbuscular mycorrhizae
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

60. The case for multiple-use plant germplasm collections and a strategy for implementation

Description:
Includes references
Author:
Greene, S.L. , Morris, J.B.
Subject:
plants , plant genetic resources , germplasm , gene banks , genetic variation , natural resource management , wild relatives , cultivars , biodiversity , USDA , literature reviews , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001