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Wednesday, August 5, 2020 | History

2 edition of Self-fertility of a central Oregon source of Ponderosa pine found in the catalog.

Self-fertility of a central Oregon source of Ponderosa pine

Frank C. Sorensen

Self-fertility of a central Oregon source of Ponderosa pine

by Frank C. Sorensen

  • 352 Want to read
  • 30 Currently reading

Published by Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service in Portland, Or .
Written in English

    Subjects:
  • Fertilization of plants.,
  • Ponderosa pine -- Reproduction.

  • Edition Notes

    Cover title.

    Other titlesSelf fertility of a central Oregon source of Ponderosa pine.
    StatementFrank C. Sorensen.
    SeriesUSDA Forest Service research paper PNW -- 109.
    The Physical Object
    Pagination9 p. ;
    ID Numbers
    Open LibraryOL16011542M

    Index: /unk/gsdl/src/phind/generate/lexicons/english/ =================================================================== /trunk/gsdl/src/phind. Thier catalog cost $3 U.S. and is an excellent source of many rare and valuable vegetables and herbs. From what I have seen they are the best seed source in the United States (outside of the really good seed saving circles). However, as a very small company, they are .


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Self-fertility of a central Oregon source of Ponderosa pine by Frank C. Sorensen Download PDF EPUB FB2

Self-fertility of a central Oregon source of Ponderosa pine / Related Titles. Related/Analytical: Self fertility of a central Oregon source of Ponderosa pine. Series: USDA Forest Service research paper PNW ; By. Sorensen, Frank C. Type.

Book Material. Self-fertility of a central Oregon source of Ponderosa pine. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, (OCoLC) Material Type: Government publication, National government publication: Document Type: Book.

Self-fertility of a central Oregon source of Ponderosa pine. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, U.S.

Dept. of Agriculture, Forest Service, Describes a study of the effect of (a) self, (b) cross, and (c) open pollination on seed and seedling production of 19 Pinus ponderosa trees.

Method of pollination had no significant effect on cone set or production of round seed (full-sized seeds). However, production of filled seeds (seeds with full-sized embryos) was significantly reduced by (a).Cited by: 7. Self-fertility of a central Oregon source of Ponderosa pine () ().jpg 2, × 3,; MB The bionomics of blister beetles of the genus Meloe and a classification of the New World species () ().jpg 1, × 2,; KB.

Self-fertility of a central Oregon source of Ponderosa pine / (Portland, Or.: Pacific Northwest Forest and Range Experiment Station, U.S.

Dept. of Agriculture, Forest Service, ), by Frank C. Sorensen (page images at HathiTrust). The Biodiversity Heritage Library works collaboratively to make biodiversity literature openly available to the world as part of a global biodiversity community. Frank C. Sorensen's 24 research works with citations and reads, including: Effects of seed source origin on bark thickness of Douglas-fir (Pseudotsuga menziesii) growing in southwestern.

Natural variation in seed characteristics of eastern white pine (Pinus strobus L.) trees and its relationship with the size, form, and crown class of parent trees was examined in second-growth.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. It is common in desert shrub, sagebrush (Artemisia spp.), pinyon-juniper (Pinus-Juniperinus) and ponderosa pine (P. ponderosa) communities, but in arid areas it may be most common in riparian areas (Gucker, ).

albus is an early to mid-seral species common on open, disturbed sites. Missouri State Beekeepers Association. February P.O. Box Oak Grove, MO Eugene Makovec. Editor. Missouri and Kansas beekeepers to hold joint Spring.

Mountain pine beetles are problematic in pine forests throughout the west. They are small insects that create noticeable damage. (Figure 62). They prefer ponderosa and lodgepole pines over. Entomology.

The chapter provides details of the chemistry of the minerals frequently present in ultramafic rocks, and discusses the ecology of serpentine soil. Serpentine is used by biologists to describe a group of ultramafic rocks and the soils derived from by: Pine squirrels reduce future crops of ponderosa pine cones.

Journal of Forestry Adkins CR, Hinesley LE, Blazich FA. Role of stratification, temperature, and light in Fraser fir germination. Canadian Journal of Forest Research Allen PH,Trousdell KB.

Loblolly pine seed production in the VirginiaNorth Carolina coastal 5/5(1). [THE NATURAL FOOD HUB] The following notes are intended to show you the range of different fruit and nuts that can be grown in warm temperate areas, and how they might fit into a strategy of growing some food in either a suburban or peri-urban country garden.

20 to 60 inches. 32 to 40” F. 62 to 70’ F. Douglas-fw, ponderosa pine, sugar pine (Pinus larnberiiam Dougl.), California black oak (Quercus kelloggii Newb.), madrone (Arbutus rnenziesii Pursh), grasses, manzanita, poison oak (Rhus diversiloba T.

& G. Search for: Volume 1: Conifers - North Carolina Forestry Library. Mathis Côté | Download | HTML Embed. ECOLOGY OF WEEDS AND INVASIVE PLANTS RELATIONSHIP TO AGRICULTURE AND NATURAL RESOURCE MANAGEMENT Third Edition STEVEN R. RADOSEVICH Oregon State University Corvallis, Oregon JODIE S.

HOLT University of California Riverside, California CLAUDIO M. GHERSA University of Buenos Aires Buenos Aires, Argentina ECOLOGY OF WEEDS AND INVASIVE PLANTS. Incidence and severity of ozone-induced foliar symptoms on tall milkweed (Asclepias exaltata L.) along selected trails in Great Smoky Mountains National Park (GRSM) were determined by two surveys/season conducted from through Overall incidence was 73%, and was 84%, 44%, 90%, 58%, and 82% forrespectively for the same clusters.

Full text of "Annual report - Western Society of Malacologists" See other formats.DI~akon is a very pool source of vitamiin B1, whereas the Ibrau-saidt.-pickled product, takian, is a very good source, cou1 -tainino when freshly made seven timies as mutch vitamin B as hdikw~i.

The growth response of groups of rats fed these two foods as the sole source of vitam-in 13 are illustrated in Figtire 60 (I k (4) 0~ 03 30 20 /0.Facultative parthenogenesis in the Ryukyu drywood termite Neotermes koshunensis.

PubMed Central. Kobayashi, Kazuya; Miyaguni, Yasushi. Parthenogenesis is a relatively rare reproductive mode in nature compared to sex. In social insects, the evolution of parthenogenesis has a notable impact on their life histories.

Some termites with parthenogenetic ability produce numerous non.