Works (16)

Updated: November 15th, 2024 05:02

2024 journal article

Age Affects Genetic Gain Estimates in <i>Pinus taeda</i> L. Progeny Tests

SILVAE GENETICA, 73(1), 149–159.

By: M. Shalizi n, S. McKeand n & T. Walker n

author keywords: Loblolly pine; tree improvement; breeding value; age effect; gain adjustment; family deployment
Sources: Web Of Science, NC State University Libraries
Added: November 12, 2024

2024 article

Stem Defect Rates and Ice Storm Damage for Families of Pinus taeda from Coastal and Piedmont Provenances Planted on a North Carolina Piedmont Site

Walker, T. D., Maynor, J. A., Isik, F., Heine, A. J., Whetten, R. W., Payn, K. G., … McKeand, S. E. (2024, April 17). FOREST SCIENCE, Vol. 4.

By: T. Walker n, J. Maynor n, F. Isik n, A. Heine n, R. Whetten n, K. Payn n, T. Quate n, S. McKeand n

author keywords: loblolly pine; sawtimber potential; cold-tolerance; cold-hardiness; snow damage; plantation; tree quality index
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 22, 2024

2023 article

Determining the effectiveness of using acoustic velocity as an indirect measurement of branchiness in standing longleaf pine

Hausle, J. M. T., Forrester, J. A., & Walker, T. D. (2023, June 27). CANADIAN JOURNAL OF FOREST RESEARCH, Vol. 6.

By: J. Hausle n, J. Forrester n & T. Walker n

author keywords: acoustic velocity; branches; stem quality; time of flight; resonance
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 28, 2023

2023 journal article

Low-density AgriSeq targeted genotyping-by-sequencing markers are efficient for pedigree quality control in Pinus taeda L. breeding

TREE GENETICS & GENOMES, 19(4).

By: Y. Lin n, M. Shalizi n, T. Walker n, E. Lauer, C. Carrasco*, K. Gujjula*, H. Suren*, F. Isik n

author keywords: Genotyping; GBS; Targeted sequencing; SNP array; Genomic relationships; Pedigree errors
TL;DR: The efficiency of an Affymetrix genotyping array (Pita50K) and a targeted Genotyping-by-sequencing (tGBS) panel for estimating genomic relationships and detecting potential pedigree errors in a Pinus taeda L. population is compared. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 7, 2023

2023 article

Performance Based on Measurements from Individual-Tree Progeny Tests Strongly Predicts Early Stand Yield in Loblolly Pine

Shalizi, M. N., Walker, T. D., Heine, A. J., Payn, K. G., Isik, F., Bullock, B. P., & McKeand, S. E. (2023, February 3). FOREST SCIENCE, Vol. 2.

By: M. Shalizi n, T. Walker n, A. Heine n, K. Payn*, F. Isik n, B. Bullock*, S. McKeand n

author keywords: block plot; genetic gain; realized gain; growth and yield modification; Pinus taeda
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 4, 2023

2022 journal article

Long-term evaluation of intra- and inter-provenance hybrids of loblolly pine in the Piedmont region of the southeastern United States

FOREST ECOLOGY AND MANAGEMENT, 522.

By: M. Shalizi n, K. Payn n, T. Walker n, F. Isik n, A. Heine n & S. McKeand n

Contributors: M. Shalizi n

author keywords: Genetic source; Minimum winter temperature; Cold tolerance; Stand volume; Survival
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 3, 2022

2022 article

Pollination Bag Type Affects Ovule Development and Seed Yields in Pinus taeda L.

Heine, A. J., Walker, T. D., Jett, J. B., Isik, F., & McKeand, S. E. (2022, December 14). FOREST SCIENCE, Vol. 12.

By: A. Heine n, T. Walker n, J. Jett n, F. Isik n & S. McKeand n

author keywords: Pinus taeda; cone analysis; controlled pollination; seed yield; seed orchard
TL;DR: Compared with open-pollinated families, full-sibling crosses among elite parents of loblolly pine produce more market value to landowners due to greater productivity, increased disease resistance, and enhanced stem form. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 15, 2022

2021 journal article

HYPERSPECTRAL IMAGING WITH COST-SENSITIVE LEARNING FOR HIGH-THROUGHPUT SCREENING OF LOBLOLLY PINE (PINUS TAEDA L.) SEEDLINGS FOR FREEZE TOLERANCE

TRANSACTIONS OF THE ASABE, 64(6), 2045–2059.

By: Y. Lu*, K. Payn*, P. Pandey*, J. Acosta, A. Heine*, T. Walker*, S. Young*

author keywords: Cost-sensitive learning; Freeze tolerance; Hyperspectral imaging; Plant phenotyping; Support vector machine
TL;DR: It is demonstrated that hyperspectral imaging can provide tree breeders with a valuable tool for improved efficiency and objectivity in the characterization and screening of freeze tolerance for loblolly pine. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 7, 2022

2021 journal article

Hyperspectral Imaging Combined with Machine Learning for the Detection of Fusiform Rust Disease Incidence in Loblolly Pine Seedlings

REMOTE SENSING, 13(18).

By: P. Pandey n, K. Payn n, Y. Lu*, A. Heine n, T. Walker n, J. Acosta n, S. Young n

author keywords: plant imaging; computer vision; forestry; disease discrimination; hyperspectral imaging; plant phenotyping; machine learning
TL;DR: This study investigates the use of hyperspectral imaging for the detection of diseased seedlings in loblolly pine using artificial inoculation of seedlings and spectral data from the top half of the stem to build a classification model. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 11, 2021

2021 journal article

Prediction of Freeze Damage and Minimum Winter Temperature of the Seed Source of Loblolly Pine Seedlings Using Hyperspectral Imaging

FOREST SCIENCE, 67(3), 321–334.

By: Y. Lu*, T. Walker n, J. Acosta n, S. Young n, P. Pandey n, A. Heine n, K. Payn n

author keywords: loblolly pine; freeze damage; hyperspectral imaging; predictive modeling; variable selection
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 7, 2021

2021 journal article

Provenance and Family Variation in Biomass Potential of Loblolly Pine in the Piedmont of North Carolina

FOREST SCIENCE, 67(3), 312–320.

By: J. Maynor*, F. Isik n, T. Walker n, R. Whetten n, A. Heine n, K. Payn n, S. McKeand n

author keywords: bioenergy; genetics; Pinus taeda; wood quality
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 24, 2021

2021 journal article

Single-Step Genomic Analysis Increases the Accuracy of Within-Family Selection in a Clonally Replicated Population of Pinus taeda L.

FOREST SCIENCE, 68(1), 37–52.

By: T. Walker n, W. Cumbie & F. Isik n

author keywords: ssGBLUP; HBLUP; genomic selection; genomic prediction; genomic relationships; loblolly; pine; multi-environmental trials; genotype by environment interaction; factor analytic
TL;DR: Breeding programs for species that are difficult to propagate clonally should consider genotyping to replace or supplement clonal testing as a means to improve within-family selection, and genomic markers can improve the reliability of breeding values. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 23, 2021

2020 journal article

Modeling Self-Thinning Patterns in Loblolly Pine with Provenance and Family Effects

FOREST SCIENCE, 66(6), 712–725.

By: T. Walker n, B. Bullock*, B. Smith n & S. McKeand n

author keywords: Pinus taeda L.; stand density index; carrying capacity; boundary line; genetics; seed source
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 24, 2020

2020 journal article

Pollination Bag Type Has a Significant Impact on Cone Survival in Mass Production of Controlled Pollinated Seeds in Loblolly Pine

Forest Science, 66(5), 589–599.

By: A. Heine n, T. Walker n, S. McKeand n, J. Jett n & F. Isik n

author keywords: Pinus taeda; seed orchard; controlled pollination; conelet survival
TL;DR: Comparing prototype pollination bags made by PBS International to the industry standard kraft paper pollination bag with and without a support wire for female strobili survival and to assess their efficiency for mass production of controlled cross loblolly pine seed found them to be efficient. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: June 17, 2020

2019 journal article

Genetic Variation in Acoustic Time of Flight and Drill Resistance of Juvenile Wood in a Large Loblolly Pine Breeding Population

Forest Science, 65(4), 469–482.

By: T. Walker n, F. Isik n & S. McKeand n

author keywords: resistograph; TreeSonic; wood quality; multivariate mixed model; multienvironmental trials; factor-analytic; genetic correlation
TL;DR: This study is the first to apply acoustic time of flight and drill resistance tools in a large breeding program, and results suggest they are effective for selecting genotypes for wood quality. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: April 2, 2019

2017 journal article

Fusiform Rust Hazard Mapping for Loblolly Pine in the Southeastern United States Using Progeny Test Data

JOURNAL OF FORESTRY, 116(2), 117–122.

By: T. Walker n & S. McKeand n

author keywords: fusiform rust; loblolly pine; hazard map; progeny test; genetic gain
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

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