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A Study Of Genetic Variation In Drought Resistance Of 4 Month Old Jack Pine Pinus Banksiana Lamb Seedlings
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Book Synopsis A Study of Genetic Variation in Drought Resistance of 4 Month-old Jack Pine (Pinus Banksiana Lamb) Seedlings by : Gilbert Diatta
Download or read book A Study of Genetic Variation in Drought Resistance of 4 Month-old Jack Pine (Pinus Banksiana Lamb) Seedlings written by Gilbert Diatta and published by . This book was released on 1984 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 1965 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings - Northeastern Forest Tree Improvement Conference by :
Download or read book Proceedings - Northeastern Forest Tree Improvement Conference written by and published by . This book was released on 1963 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Department of Forest Resources Research and Extension Report by :
Download or read book Department of Forest Resources Research and Extension Report written by and published by . This book was released on 1983 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Association Genetics of Drought Tolerance in Ponderosa Pine (Pinus Ponderosa) by : Mengjun Shu
Download or read book Association Genetics of Drought Tolerance in Ponderosa Pine (Pinus Ponderosa) written by Mengjun Shu and published by . This book was released on 2020 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drought stress is a major cause of tree mortality in Mediterranean coniferous forests. This study aims to investigate the genetics of drought tolerance in ponderosa pine (Pinus ponderosa), a highly valuable species in the western United States. Genotype-to-environment (G2E) association investigates the statistical association between genetic variation at individual loci and the environment, while genotype-to-phenotype (G2P) association identifies loci linked to a particular phenotype by correlating genotypes at SNPs with the variation in certain traits. By combining G2E and G2P association genetics, this study can identify both the loci and traits that may explain variation in drought tolerance in this pine species. Single Nucleotide Polymorphism (SNP) markers have rapidly gained popularity due to their abundance in most genomes and their amenability to high-throughput genotyping techniques. Genotyping-by-sequencing (GBS) has been demonstrated to be a robust and cost-effective genotyping method. We first compared the performance of four GBS bioinformatics pipelines, two of which require a reference genome (TASSEL-GBS V2 and Stacks), two of which are de novo pipelines (UNEAK and Stacks), on this large-genome non-model organism. Stacks with a reference genome produced the highest number of SNPs with lowest proportion of paralogs. Over 4 million SNPs were identified with 223 ponderosa pine individuals using this method and the reference genome of loblolly pine (Pinus taeda). Then I ran a G2E analysis with these SNPs and five chosen climatic variables using LFMM2, which controls for the effects of demographic processes and population structure on the distribution of genetic variation. I found 213 SNPs strongly associated with mean maximum temperature of summer, 335 with mean minimum temperature of winter, 1798 with April 1st snow pack, and 120 SNPs with mean climatic water deficit. Protein functions linked to associated SNPs include ubiquitination, the abscisic acid (ABA) signaling pathway, cell division or growth of roots or shoots, cell wall organization, seed dormancy. The G2P analysis was carried out based on greenhouse experiment data. Seeds from 48 genotyped mother trees were planted in both dry and wet treatments. Eight phenotypic traits were measured during or after the greenhouse experiment. Six were drought-responsive, including root length, root-shoot dry mass ratio, stomata density on adaxial side, and number of stomatal rows on abaxial side (all higher in dry treatment), as well as shoot weight and height growth (lower). I found 153 SNPs strongly associated with root length, 80 with shoot weight, 145 with height growth, 42 with adaxial stomatal density, 85 with abaxial stomatal rows, and 1530 with root-to-shoot ratio. The identified SNPs reside in genes with a wide variety of functions, including ubiquitination, abscisic acid (ABA) signaling pathway, cell division or growth of roots or shoots, cell wall organization, which overlap with most of the identified protein functions in the G2E analysis. Potentially, future studies can develop molecular tools based on the associated genetic markers to assist breeders and gene resource managers in developing and managing adapted populations.
Author :John M. Paterson Publisher :Sault Ste. Marie : Ontario Forest Research Institute ISBN 13 : Total Pages :30 pages Book Rating :4.:/5 (319 download)
Book Synopsis Effect of Initial Seedling Morphology and Planting Practices on Field Performance of Jack Pine 6 Years After Planting by : John M. Paterson
Download or read book Effect of Initial Seedling Morphology and Planting Practices on Field Performance of Jack Pine 6 Years After Planting written by John M. Paterson and published by Sault Ste. Marie : Ontario Forest Research Institute. This book was released on 1994 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: A planting trial was established in 1986 on a clearcut, disc-trenched, well-drained, sandy loam jack pine site near Gogama, Ontario to determine the effect of initial morphology and planting practices on field performance of jack pine bareroot and container stock. Survival and height after six growing seasons are reported for treatments related to initial seedling size and shoot:root ratio, leader dominance, root pruning, microsite selection, and seedling placement.
Book Synopsis An Investigation Into Germination Rates of Jack Pine (Pinus Banksiana Lamb.) Seeds Subjected to Different Soil and Moisture Conditions by : Ryan Lloyd Parry
Download or read book An Investigation Into Germination Rates of Jack Pine (Pinus Banksiana Lamb.) Seeds Subjected to Different Soil and Moisture Conditions written by Ryan Lloyd Parry and published by . This book was released on 1999 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Determination of Capacity of Germination of Seeds and Development of Seedlings of Pinus Banksiana Lamb. (jack Pine) and Pinus Resinosa Ait. (Norway Pine) in Relation to Time and Amount of Watering During a Hot Dry Season by : Yingchen Li
Download or read book Determination of Capacity of Germination of Seeds and Development of Seedlings of Pinus Banksiana Lamb. (jack Pine) and Pinus Resinosa Ait. (Norway Pine) in Relation to Time and Amount of Watering During a Hot Dry Season written by Yingchen Li and published by . This book was released on 1937 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seedling Biomass Dynamics of Jack Pine (Pinus Banksiana Lamb.) and Tamarack (Larix Laricina (Duroi) K. Koch) on a Site-prepared Michigan Wetland by : Sung-Min Cho
Download or read book Seedling Biomass Dynamics of Jack Pine (Pinus Banksiana Lamb.) and Tamarack (Larix Laricina (Duroi) K. Koch) on a Site-prepared Michigan Wetland written by Sung-Min Cho and published by . This book was released on 1990 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Egress of Jack Pine Roots from Perforated and Non-perforated Paperpot Containers by : C. W. G. Templeton
Download or read book Egress of Jack Pine Roots from Perforated and Non-perforated Paperpot Containers written by C. W. G. Templeton and published by . This book was released on 1993 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The expansion of roots by a planted seedling and their penetration into the surrounding soil is critical to both seedling establishment and long-term plantation viability. Many innovations in container design have been directed towards overcoming perceived problems associated with root form and tree stability, one of which involves a perforated Japanese Paperpot container. This study compared the root egress and the growth of jack pine seedlings in perforated and non-perforated Paperpot containers.
Book Synopsis Harmonisation of Regulatory Oversight in Biotechnology Safety Assessment of Transgenic Organisms, Volume 3 OECD Consensus Documents by : OECD
Download or read book Harmonisation of Regulatory Oversight in Biotechnology Safety Assessment of Transgenic Organisms, Volume 3 OECD Consensus Documents written by OECD and published by OECD Publishing. This book was released on 2010-11-09 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: These OECD Biosafety Consensus Documents identify elements of scientific information used in the environmental safety and risk assessment of transgenic organisms which are common to OECD member countries and some non members associated with the work.
Book Synopsis Silvicultural Guide to Managing for Black Spruce, Jack Pine, and Aspen on Boreal Forest Ecosites in Ontario by : Ontario. Ministry of Natural Resources
Download or read book Silvicultural Guide to Managing for Black Spruce, Jack Pine, and Aspen on Boreal Forest Ecosites in Ontario written by Ontario. Ministry of Natural Resources and published by . This book was released on 1997 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Woody Plant Seed Manual by : United States. Forest Service
Download or read book The Woody Plant Seed Manual written by United States. Forest Service and published by Forest Service. This book was released on 2008 with total page 1240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1998 with total page 2312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wildland Fire in Ecosystems written by and published by . This book was released on 1998 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forest Development in Cold Climates by : John Alden
Download or read book Forest Development in Cold Climates written by John Alden and published by Springer Science & Business Media. This book was released on 1993-06-30 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: ''Required reading for forest scientists.'' -Northeastern Naturalist
Book Synopsis Jack Pine in the North Central States by : John W. Benzie
Download or read book Jack Pine in the North Central States written by John W. Benzie and published by . This book was released on 1977 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: