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Title: Discovery of Geographically Robust Hybrid Poplar Clones

Abstract

Hybrid poplar clonal growth in the states (regions) of Minnesota (MN), Indiana (IN), Michigan (MI), and New York (NY) USA was analyzed to discover 10 geographically robust (geo-robust) clones, allP. deltoidesxP. nigra(D x N) hybrids previously tested and screened in MN, that were broadly adapted across latitudinal and longitudinal ranges of 9 and 20 degrees, respectively. The clonal effect for growth explained 25 to 36 % of the total variance, 2.5–4.1 times the clone x site interaction. Clone explained 24 to 46 % of total variation in canker occurrence on two sites. Genetic gain in growth was calculated relative to commercial check clones. Genetic gain in growth of geo-robust clones exceeded that of random clones by 24 to 44 %. Geo-robust clones and the best clones on each site were not significantly different on the MN sites, but best clones outperformed geo-robust clones on the other sites by 10 to 39 % genetic gain. Geo-robust clones grew faster than commercial check clones on all but the MI site. The reduction in genetic gain for growth due to using broadly adapted clones relative to the best clones has to be compared to the additional costs and benefits of multiple breeding zones.

Authors:
 [1];  [1];  [1];  [2];  [3];  [4];  [5];  [5];  [6];  [1];  [1]
  1. Univ. of Minnesota, Duluth, MN (United States)
  2. Purdue Univ., West Lafayette, IN (United States). Purdue Center for Plant Biology
  3. Cornell Univ., Ithaca, NY (United States)
  4. US Dept. of Agriculture (USDA)., Beltsville, MD (United States)
  5. Michigan State Univ., East Lansing, MI (United States)
  6. State Univ. of New York (SUNY), Syracuse, NY (United States). College of Environmental Science and Forestry
Publication Date:
Research Org.:
South Dakota State Univ., Brookings, SD (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1613535
Grant/Contract Number:  
FC36-05GO85041
Resource Type:
Accepted Manuscript
Journal Name:
Silvae Genetica
Additional Journal Information:
Journal Volume: 68; Journal Issue: 1; Journal ID: ISSN 2509-8934
Publisher:
Sciendo
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; Forestry; Genetics & Heredity

Citation Formats

Nelson, Neil D., Berguson, William E., McMahon, Bernard G., Meilan, Richard, Smart, Lawrence B., Gouker, Fred E., Bloese, Paul, Miller, Raymond, Volk, Timothy A., Cai, Meijun, and Buchman, Daniel. Discovery of Geographically Robust Hybrid Poplar Clones. United States: N. p., 2019. Web. https://doi.org/10.2478/sg-2019-0018.
Nelson, Neil D., Berguson, William E., McMahon, Bernard G., Meilan, Richard, Smart, Lawrence B., Gouker, Fred E., Bloese, Paul, Miller, Raymond, Volk, Timothy A., Cai, Meijun, & Buchman, Daniel. Discovery of Geographically Robust Hybrid Poplar Clones. United States. https://doi.org/10.2478/sg-2019-0018
Nelson, Neil D., Berguson, William E., McMahon, Bernard G., Meilan, Richard, Smart, Lawrence B., Gouker, Fred E., Bloese, Paul, Miller, Raymond, Volk, Timothy A., Cai, Meijun, and Buchman, Daniel. Mon . "Discovery of Geographically Robust Hybrid Poplar Clones". United States. https://doi.org/10.2478/sg-2019-0018. https://www.osti.gov/servlets/purl/1613535.
@article{osti_1613535,
title = {Discovery of Geographically Robust Hybrid Poplar Clones},
author = {Nelson, Neil D. and Berguson, William E. and McMahon, Bernard G. and Meilan, Richard and Smart, Lawrence B. and Gouker, Fred E. and Bloese, Paul and Miller, Raymond and Volk, Timothy A. and Cai, Meijun and Buchman, Daniel},
abstractNote = {Hybrid poplar clonal growth in the states (regions) of Minnesota (MN), Indiana (IN), Michigan (MI), and New York (NY) USA was analyzed to discover 10 geographically robust (geo-robust) clones, allP. deltoidesxP. nigra(D x N) hybrids previously tested and screened in MN, that were broadly adapted across latitudinal and longitudinal ranges of 9 and 20 degrees, respectively. The clonal effect for growth explained 25 to 36 % of the total variance, 2.5–4.1 times the clone x site interaction. Clone explained 24 to 46 % of total variation in canker occurrence on two sites. Genetic gain in growth was calculated relative to commercial check clones. Genetic gain in growth of geo-robust clones exceeded that of random clones by 24 to 44 %. Geo-robust clones and the best clones on each site were not significantly different on the MN sites, but best clones outperformed geo-robust clones on the other sites by 10 to 39 % genetic gain. Geo-robust clones grew faster than commercial check clones on all but the MI site. The reduction in genetic gain for growth due to using broadly adapted clones relative to the best clones has to be compared to the additional costs and benefits of multiple breeding zones.},
doi = {10.2478/sg-2019-0018},
journal = {Silvae Genetica},
number = 1,
volume = 68,
place = {United States},
year = {2019},
month = {11}
}

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