Search National Agricultural Library Digital Collections

You searched for:

Year 2009 Remove constraint 2009: 2009 Subjects genetic variation Remove constraint genetic variation: genetic variation Subjects Iowa Remove constraint Iowa: Iowa

Displaying all 4 items start over

1. A Comparison of Mixed-Model Analyses of the Iowa Crop Performance Test for Corn

Description:: Includes references
Author:: So, Yoon-Sup , Edwards, Jode
Subject:: Zea mays , corn , variety trials , cultivars , environmental factors , data analysis , statistical analysis , accuracy , genetic variance , genetic variation , genotype-environment interaction , genetic correlation , grain yield , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

2. Agronomic performance of soybean hybrids from single, three-way, four-way, and five-way crosses, and backcross populations

Description:: Includes references
Author:: Perez, Paola T. , Cianzio, Silvia R. , Ortiz-Perez, Evelyn , Palmer, Reid G.
Subject:: Glycine max , soybeans , plant breeding , genetic improvement , crop yield , androecium , plant fertility , crossing , cross pollination , insect pollination , hybrids , backcrossing , heterosis , agronomic traits , genetic variation , progeny testing , cultivars , Iowa , Indiana
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

3. Mitochondrial DNA Variation and Range Expansion in Western Bean Cutworm (Lepidoptera: Noctuidae): No Evidence for a Recent Population Bottleneck

Description:: Includes references
Author:: Miller, Nicholas J. , Dorhout, David L. , Rice, Marlin E. , Sappington, Thomas W.
Subject:: Noctuidae , cutworms , population genetics , mitochondrial DNA , NADH dehydrogenase , sequence analysis , genetic variation , haplotypes , geographical variation , geographical distribution , Zea mays , corn , Wyoming , Nebraska , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

4. Spatial and Temporal Genetic Analyses Show High Gene Flow Among European Corn Borer (Lepidoptera: Crambidae) Populations Across the Central U.S. Corn Belt

Description:: Includes references
Author:: Kim, Kyung Seok , Bagley, Mark J. , Coates, Brad S. , Hellmich, Richard L. , Sappington, Thomas W.
Subject:: Ostrinia nubilalis , insect pests , plant pests , spatial variation , temporal variation , population genetics , gene flow , geographical variation , genetic variation , genotype , microsatellite repeats , genetic distance , population dynamics , Zea mays , corn , grain crops , transgenic plants , Bacillus thuringiensis , pest resistance , genetic resistance , crystal proteins , evolution , Iowa , Corn Belt region
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009