Genetic variation in southern Idaho ponderosa pine progeny tests after 11 years by G. E. Rehfeldt Download PDF EPUB FB2
Genetic variation in southern Idaho ponderosa pine progeny tests after 11 years / Related Titles. Series: General technical report INT ; By. Rehfeldt, G. Intermountain Forest and Range Experiment Station (Ogden, Utah) Type. Book Material. Genetic variation in southern Idaho ponderosa pine progeny tests after 11 years.
Ogden, Utah: Intermountain Forest Genetic variation in southern Idaho ponderosa pine progeny tests after 11 years book Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors.
Genetic variation in southern Idaho ponderosa pine progeny tests after 11 years by Rehfeldt, G. E ; Intermountain Forest and Range Experiment Station (Ogden, Utah)Pages: Genetic variation in southern Idaho ponderosa pine progeny tests after 11 years.
Ogden, Utah: Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource. Sorensen, Frank C.
Genetic variation and seed transfer guidelines for ponderosa pine in central Oregon. Res. Pap. PNW-RP Portland, OR: U.S. Department of Agricuture, Forest Service, Pacific Northwest Research Station. 24 p. Adaptive genetic variation in seed and seedling traits for ponderosa pine from the.
adapted planting stock, a ponderosa pine provenance test was established in (Kempff ) as the oldest provenance test of forest trees in North America (Wang ). This and subsequent provenance tests have revealed considerable genetic di- versity within the species. Variation among populations from diverse geographicCited by: A robust analysis of genetic variation across the ponderosa pine complex is necessary to ensure the effectiveness of management and conservation efforts given the species’ large distribution, the existence of many isolated disjunct populations, and the potential susceptibility of some populations to climate change and other by: The physiology, genetics, and distribution of ponderosa pine species vary with changes in elevation and environmental conditions Research Issue Collecting data on tree populations as part of a forest indicator and monitoring system is important to confirm models for predicting climate change effects on individual forest stands.
Ponderosa pine (Pinus ponderosa) is among the most broadly distributed conifer species of western North America, where it possesses considerable ecological, esthetic, and commercial value. It exhibits complicated patterns of morphological and genetic variation, suggesting that it may be in the process of differentiating into distinct regional by: Development of genetic diversity, differentiation and structure over years in four ponderosa pine populations.
Lesser MR(1), Parchman TL, Jackson ST. Author information: (1)Department of Biology, Syracuse University, Syracuse, NYUSA. [email protected] by: Goals / Objectives The proposed research will use allozyme markers to evaluate the genetic structure within and among populations of these four grass species collected throughout the ponderosa pine (Pinus ponderosa Dougl.
ex Laws.) geographic range in Arizona. Sound management of herbaceous species in ponderosa pine ecosystems should include attempts to. Title. Genetic gains from tree improvement of ponderosa pine in southern Idaho / Related Titles.
Series: USDA Forest Service research paper INT ; By. Rehfeldt, G. Intermountain Forest and Range Experiment Station (Ogden, Utah) Southern Idaho Tree Improvement Committee. Premise of the study: Ponderosa pine (Pinus ponderosa Douglas ex P.
Lawson & C. Lawson) exhibits complicated patterns of morphological and genetic variation across its range in western North America. Ponderosa pine in Glacier National Park is separated from larger concentrations of ponderosa pine to the west and south, and is defined as an isolated.
A recent study using mitochondrial DNA analysis demonstrated substantial genetic variation among ponderosa pine populations in the western U.S., identifying 10 haplotypes with unique evolutionary lineages that generally correspond spatially with distributions of the Pacific (P.
var. ponderosa) and Rocky Mountain (P. var. scopulorum Cited by: The study was based on data collected from two series of progeny tests of black spruce in New Brunswick (NB) including open-pollinated families and more t individual trees.
Height (HT), diameter at breast height (DBH), and stem forking (SF) were periodically measured between ages 5 and 35 by: 1. Genetic Differentiation Among Mountain Pine Beetle Populations from Lodgepole Pine and Ponderosa Pine in Northeast Utah 1 M.
STOCK AND G. AMMAN Department of Forest Resources, University of Idaho, Moscow, Idaho and U.S. Forest Service, Intermountain Forest and Range Expt.
Station, Ogden, Utah ABSTRACT Ann. Entomol. by: Ceographic Variation in Ponderosa Pine I. The Ecotypes and Their Distribution l) By OSBORN 0. WELLS~) (Received for publication J ) Introduction Ponderosa pine (Pinus ponderosa DOUGL.
ex LAWS.) is an important timber species of western North America. Fig- ure 1 shows the range of the typical variety and the variety. To study patterns of adaptation to the contemporary climate and phenotypic selection under future predicted climate in whitebark pine (Pinus albicaulis), seedlings from 49 populations representative of the interior northwestern USA were grown in two low-elevation, common-garden field tests over a year : Marcus V.
Warwell. planted at commercial spacing (Matthews et al. Significant genetic differences in dry matter production and distribution of that biomass were found in loblolly pine (P.
taeda L.) grown at 8 x 6 spacing and slash pine clones established at 15 by 15 (van Buijtenen ). This paper presents findings concerning variation among sand pine and. Abstract – This article describes ch anges in the genetic variation of wood density com ponents with cambial age a nd their relationship with the within-ring area components.
Wood samples fro m 31 half-sib families of radi ata pine were submitted to X-ray densitometry proced ures. progeny tests. Orchards established on the basis of progeny-test results should achieve improvement substantially above current orchards. Table Anal sis of variance.
Third year height of 30 slash pine progeny lines on three sites Source of Degrees of Mean variation Freedom Square Sites 2 Lines 29 Provenances 10 Lines. Ponderosa pine (Pinus ponderosa Douglas ex Lawson) is the most broadly distributed pine species of the Western Hemisphere (Critchfield and Little, ), where it has considerable ecological and economic importance (Oliver and Ryker, ).Its distribution encompasses montane environments from British Columbia to southern California and from northern Cited by: In central Idaho, for example, seed transfer should be limited to within m of the seed source.
Citation: Rehfeldt, G.E. Adaptive variation in Pinus ponderosa from Intermountain Regions. Snake and Salmon River Basins. Forest Science. 32(1): Keywords: genetic variation, population differentiation, ecological genetics, genecologyCited by: The stand was pure ponderosa pine 95 to years old at breast height and even-aged within 10 years.
Selective cutting or mortality had not removed the tallest tree within the age span of the existing stand. The six tallest trees on the plot did not contain a. Provenance trials of ponderosa pine revealed abrupt genetic variation along local elevational gradients, variation which manifested in tradeoffs between growth potential and cold hardiness (Rehfeldt, a, Rehfeldt, b, Rehfeldt,Rehfeldt, ).
These findings suggest climate sensitivities may be relatively localized as the result of Cited by: Progeny 9 Web User Guide v 11 Conventions used in the manual The Progeny Web Users Manual uses the following conventions: Information that can vary in a command—variable information—is indicated by alphanumeric characters enclosed in angle brackets; for example.
Do not type the angle brackets when you specify the. edge is particularly important for species such as ponderosa pine (Pinus ponderosa Dougl. ex Laws.) that are distributed across wide geographic distances and types of climates.
A ponderosa pine study initiated in at the Fort Valley Experimental Forest is among the earliest ponderosa pine genetic research efforts in the United States.
I took advantage of a year-old ponderosa pine (Pinus ponderosa) genetic trial where a recent mountain pine beetle outbreak (Dendrochtonus ponderosae) killed 36% of trees. I examined phenotypic and genetic variation in resin ducts, their consequences on survival during the outbreak, the influence of drought on resin duct defenses, and Cited by: 1.
Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. However, it is not a legal authority for statutory or regulatory purposes.
While every effort has been made to provide the most reliable and up-to-date information available, ultimate legal requirements with respect to species are Biological classification: Species. The mountain pine beetle Dendroctonus ponderosae is a native species currently experienc-ing large-scale outbreaks in western North American pine forests.
We sought to describe the pattern of genetic variation across the range of this species, to determine whether there were detectable genetic differences between D. ponderosaeCited by: Aim? Ponderosa pine (Pinus ponderosa Douglas ex Lawson & C. Lawson) is an economically and ecologically important conifer that has a wide geographic range in the western USA, but is mostly absent from the geographic centre of its distribution - the Great Basin and adjoining mountain ranges.
Much of its modern range was achieved by migration of geographically distinct Sierra .Date Title Author Station of Origin; records matched your query. Ecophysiology of seedling establishment in contrasting spruce-fir forests of southern Appalachian and R.