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Year 2004 Remove constraint 2004: 2004 Subjects Canada Remove constraint Canada: Canada
Displaying items 1 - 10 of 13 start over

1. A first assessment of mitochondrial DNA variation and geographic distribution of haplotypes in Hessian fly (Diptera: Cecidomyiidae)

Description:
Includes references
Author:
Johnson, A.J. , Schemerhorn, B.J. , Shukle, R.H.
Subject:
Mayetiola destructor , insect pests , mitochondrial DNA , ribosomal DNA , nucleotide sequences , sequence alignment , sequence homology , haplotypes , genetic variation , genetic distance , phylogeny , population genetics , geographical distribution , zoogeography , biotypes , Wolbachia , United States , Canada , Mediterranean region , Asia , New Zealand
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. A molecular linkage map with associated QTLs from a hulless x covered spring oat population

Description:
Includes references
Author:
De Koeyer, D.L. , Tinker, N.A. , Wight, C.P. , Deyl, J. , Burrows, V.D. , O'Donoughue, L.S. , Lybaert, A. , Molnar, S.J. , Armstrong, K.C. , Fedak, G.
Subject:
Avena sativa , oats , hybrids , varieties , seeds , plant morphology , chromosome mapping , genetic markers , amplified fragment length polymorphism , restriction fragment length polymorphism , random amplified polymorphic DNA technique , linkage groups , quantitative trait loci , agronomic traits , protein content , seed oils , beta-glucans , carbohydrate content , genotype-environment interaction , epistasis , phenotypic variation , United States , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Accuracy of foreign dairy bull evaluations in predicting United States evaluations for yield

Description:
Includes references
Author:
Powell, R.L. , Sanders, A.H. , Norman, H.D.
Subject:
dairy bulls , sire evaluation , genetic improvement , progeny testing , dairy cows , milk yield , somatic cell count , international organizations , prediction , accuracy , reliability , United States , Netherlands , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Differences in Canadian and U.S. Farm Structure: What the Canadian Farm Typology Shows

Description:
Includes references
Author:
Hoppe, Robert A. , Niekamp, Deborah , Banker, David , Nakagawa, Ken
Subject:
farm structure , farm size , farm families , off-farm employment , farm operators , farm income , Economic Research Service , United States , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Elk populations in the western United States and Canadian provinces

Description:
Includes references
Author:
Vermeire, L.T. , Wallace, M.C. , Mitchell, R.B.
Subject:
elks , Cervidae , population size , surveys , Western United States , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Genetic diversity of Sclerotinia homoeocarpa isolates from turfgrasses from various regions in North America

Description:
Includes references
Author:
Viji, G. , Uddin, W. , O'Neill, N.R. , Mischke, S. , Saunders, J.A.
Subject:
Sclerotinia homoeocarpa , plant pathogenic fungi , genetic variation , pathogenicity , fungal diseases of plants , leaf spotting , Agrostis stolonifera var. palustris , Poa annua , Cynodon dactylon , Lolium perenne , turf grasses , provenance , Pennsylvania , New York , New Jersey , Illinois , Florida , North Carolina , Delaware , Virginia , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Growing and selling pasture-finished beef: results of a nationwide survey

Description:
Includes references
Author:
Lozier, J. , Rayburn, E. , Shaw, J.
Subject:
surveys , beef , beef cattle , pastures , animal production , marketing , sales , United States , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. Market integration in the North American hog industries

Description:
Title from title screen (viewed Dec. 6, 2004)
Author:
Haley, Mildred M. , United States Dept. of Agriculture. Economic Research Service.
Subject:
Swine , United States , Marketing , Swine , North America , Marketing , swine , pork , imports , trade , Canada , United States
Year:
2004

9. Pythium attrantheridium sp.nov.: taxonomy and comparison with related species

Description:
Includes references
Author:
Allain-Boule, N. , Tweddell, R. , Mazzola, M. , Belanger, R. , Levesque, C.A.
Subject:
Pythium , internal transcribed spacers , ribosomal DNA , sequence analysis , molecular systematics , phylogeny , new species , new geographic records , fungal anatomy , nucleotide sequences , United States , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Recent Changes in Farm Structure: A Canada-U.S. Comparison

Description:
Paper presented at the annual meeting of the Canadian Agricultural Economics Society (Montreal, July 2003) in a session entitled “Changing Dimensions of Canadian and U.S. Agriculture: Farm Income, Farm Structure, Typology and Farmland Markets”.
Author:
Biggs, Brian , Murray, Paul , Dubman, Robert , Erickson, Kenneth , Korb, Penni
Subject:
farm structure , international trade , trade policy , farm income , investment , agricultural policy , Canada , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004