Determination of Pinus species by pollen statistics
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University of California Press , Berkeley
Conifers, Fossil -- California., Pollen, Fossil -- California., Paleobotany -- Califo
|Statement||by William S. Ting.|
|Series||University of California publications in geological sciences, v. 58, University of California publications in geological sciences ;, v. 58.|
|LC Classifications||QE1 .C15 vol. 58|
|The Physical Object|
|Pagination||vii, 182 p.|
|LC Control Number||67063088|
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Get this from a library. Determination of Pinus species by pollen statistics. [Su Ding]. Pollen Description. Pine grains are large due to their sacs or bladders, which make them one of the easiest pollen grains to identify.
These sacs also allow them to be carried great distances by the wind. Among winged grains, the body is subspheroidal to broadly ellipsoidal. The bladders are generally reticulate or occasionally smooth. A size-frequency curve for fossil Determination of Pinus species by pollen statistics book grains of Pinus from S.
Carolina showed 3 strong modes, which was taken as evidence that 3 species were represented in the deposit.
Details Determination of Pinus species by pollen statistics PDF
The pollens of 12 modern species of Pinus from the eastern United States were also examined, and though no ready diagnostic character was found, there was a considerable range in by: Palynol., Modern pollen grains from several species of Abies, Picea and Pinus occurring mainly in the Rocky Mountain region of the United States and Canada were examined using the scanning electron microscope.
Distinguishing characteristics for the species were found using systematized observational and photographic methods on extensive by: The starch contents were ±±±and ± ng, respectively for pollen grains from Korean red pine, golden Korean red pine, Japanese red pine Cited by: of the pollen of Pinus distributed in northeast China.
Therefore, in the present study, pollen from eight representative Pinus taxa including ﬁve species and three varieties were investigated and described based on their morphological measurement and exine sculp-ture. The comparative analysis of µFTIR spectra belonging to morphologically different Pinaceae pollen, namely bisaccate Pinus and monosaccate Tsuga pollen, was conducted.
The study shows that the main cause of spectral variability is non-radial symmetry of bisaccate pollen grains, while additional variation is caused by Mie by: 9.Vol. 18, pp. Pergamon Press Ltd.
Printed in England. /79/ $/0 SEX HORMONES AND CORTICOSTEROIDS IN POLLEN OF PINUS NIGRA* MELITA ADEN-KREHULA, MELITA TART and DRAGUTIN KOLBAH Department of Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb and Division of Endocrinology, University Cited by: Congress Abstract.
European Black pine (Pinus nigra L.) is a widespread conifer in South Eastern Europe, while Pinus heldreichii Christ.
var. leucodermis is a forest species endemic to the Balkan peninsula, often called white bark pine. It was recently referred by Buhner (1) that pollen from pines contains high percentage of testosterone (and other androgens) among plants which is in accordance Author: K Graikou, I Chinou.
Collecting pollen for genetic resources conservation Table continued Family Species Longevity (d) Author(s) Solanum melongena Solanum tuberosum 50 18 Vasil, Vasil, Families with tricellular pollen Asteraceae Chrysanthemum 8 Hoekstra and cinerariaefo/ium Bruinsma, a Onopordon iIIyricum 8 Pfundt, File Size: 1MB.
These sacs also allow them to be carried great distances by the wind. Among winged grains, the body is subspheroidal to broadly ellipsoidal. The bladders are generally reticulate or occasionally smooth. Pollen grains vary in size from micrometers. Pine genus, single grain.
Pine genus, multiple grains. The genus Pinus with species is the largest genus in the family Pinaceae. This genus is divided into sub-genus Strobus with 43 species and subgenus Pinus with 73 species (Businský, ).
Pines exhibit the greatest diversity of habitat and distribution of the needle-type evergreens, being scattered throughout the Northern. The pollen grains are boat-shaped with monosulcate apertures and are bounded by two concentric wall layers: the outer thick exine and the inner thin intine (Fig.
The exine on the lateral sides of the pollen is expanded to form two wings (sacci). Thus the pollen grains of Pinus are bisaccate indicating their anemophilous mode of pollination. Pollen of most species was collected from a variety of habitats in the spring and summer ofand the Table 1.
Pollen sources and some assay conditions Acer saccharum Marsh pollen was collected from a protandrous individual in April The collection sites and dates are shown in Table 1.
Pinus pollen was obtained from strobili sampled Cited by: Details of development and the phenology of postdormancy cone-bud development, microsporogenesis, pollen development, and pollination were similar for Pinus contorta var. contorta and var. latifolia growing near Victoria, B.C., but comparable stages of development for var.
latifolia occurred about 1 month later near Prince George, B.C. Several developmental aspects were found which affect the Cited by: Article Species Identiﬁcation of Pinus Pollen Found in Belukha Glacier, Russian Altai Mountains, Using a Whole-Genome Ampliﬁcation Method Fumio Nakazawa 1,2,*, Yoshihisa Suyama 3, Satoshi Imura 1,2 and Hideaki Motoyama 1,2 1 National Institute of Polar Research, Midori-cho, Tachikawa, TokyoJapan; [email protected] (S.I.); [email protected] (H.M.)Author: Fumio Nakazawa, Yoshihisa Suyama, Satoshi Imura, Hideaki Motoyama.
AIRBORNE PINUS POLLEN DIVERSITY AND ANNUAL POLLINATION PATTERN IN SPAIN Diversidad de polen de Pinus aerovagante y patrón anual de su polinización en España De Lin AR es, c.1,2; be LMO n T e, J.1,2; DíAz De LA guARD iA, c.3; cAR iñ AnOs, P.3; ALOnsO-PéRez, s.4 & cuev As, e.4 1 Institut de Ciència i Tecnologia Ambientals, sitat Autònoma de Barcelona.
evity of pollen. In some species, for instance some members of the Graminae, the longevity of the pollen is very short and it looses its germinability within a few hours or a few days. Pine pollen on the contrary is relatively durable andremains viable for months even when stored at room temperature (CuM MING and RrGHTER ).
the difﬁculty in determination of past distribution. When we review the record of Cathaya-like pollen, we ﬁnd a confusing nomenclatural history, with most palynomorphs misidentiﬁed as Abietineaepollenites, Pinus Haploxylon-type, and Pityos-porites, even Podocarpus and Podocarpidites (see also Sivak ; Liu et al.
The natural range of the genus Pinus is confined to the Northern Hemisphere, although some species have been introduced to the Southern Hemisphere.
Description Determination of Pinus species by pollen statistics FB2
The genus is currently a dominant component in forests .The pollen grains of Pinus have two sacs and the winged pollen grains can be transported long distances by wind. In fact, Pinus pollen grains can reach remote areas, such as mountain Author: Fumio Nakazawa, Yoshihisa Suyama, Satoshi Imura, Hideaki Motoyama.
Find sources: "List of Pinus species" – news newspapers books scholar JSTOR (June ) (Learn how and when to remove this template message) Pinus, the pines, is a genus of approximately extant tree and shrub species.
The genus is currently split into two subgenera: subgenus Pinus (hard pines), and subgenus Strobus (soft pines). METHODS: Sixty-five pine-pollen-allergic patients (51% also sensitized to grass pollen) were studied. Skin prick tests (SPT) to a battery of allergens including PR, Pinus pinea, Pinus sylvestris, Pinus nigra and Cupressus sempervirens pollens and specific IgE determination to PR and Pinus strobus were performed.
IgE-immunoblotting to a PR Cited by: In the present study, species identification of Pinus pollen grains was attempted using whole-genome amplification (WGA).
We used pollen grains extracted from surface snow (depth, – m. Pine is a coniferous tree in the genus Pinus, in the family Pinaceae.
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There are about species of pines worldwide, although different authorities accept between and species. Pines are native to most of the Northern Hemisphere. Pines are evergreen and resinoustrees (rarely shrubs).
Pine trees are widely distributed worldwide being with around species the largest genus of conifers.[13,14,15] Consumption of various parts, including needles, bark, cones, and pollen is believed to promote health and prevent some aging-related chronic by: 9.
The solutions were centrifugedTotal Pollen Count and Species in Selected for 5 min at rpm before the supernatant wasMalaysian and Manuka Honey: Table 1 summarizes the aspirated out.
Following that, 5 ml of deionized water was number of pollen count and species found in each honey. important minor pollen (%), Minor pollen (Less thanFile Size: KB.
Much of the excitement surrounding pine pollen benefits as a superfood is because of its pollen dose not contain synthetic or prescription hormones. Instead the pollen from pine trees is a natural wild food that boasts a potent concentration of bassinosteroids; a class of plant hormones some with identical structure as ♂ hormones with equal importance in men and woman.
DNA analysis for section identification of individual Pinus pollen grains from Belukha glacier, Altai Mountains, Available via license: CC BY Content may be subject to copyright. Mixtures of pollen grains of three different species (Corylus avellana, Alnus cordata, and Pinus sylvestris) were investigated by matrix-assisted laser desorption/ionization time-of-flight imaging mass spectrometry (MALDI-TOF imaging MS).
The amount of pollen grains was reduced stepwise from > 10 to single pollen grains. For sample pretreatment, we modified a previously applied approach, Cited by: 1. The pollen morphology of eight taxa representing Pinus species of Pinaceae in northeast China was examined by light microscopy and scanning electron microscopy.
The pollen grains were bisaccate monads. A single elongate outlined (monosulcate) aperture was observed on the distal pole between the sacci (air sacs) and the sculpture pattern of the corpus (pollen body) was verrucate or rugulate Cited by: 4.
In Pinus species the pollination droplet allows pollen grains to float upwards, against the force of gravity, into the micropylar cavity.
There is some evidence (Greenwood, ) to suggest that in nature this flotation may often occur in water from raindrops, rather than in the pollination droplet which appears to occur only infrequently, and.Pinus merkusii is one of the tropical pines that grow widely in South-East Asia (Cook et al.
). Its natural distribution stretches from Myanmar, Thailand, Vietnam, Laos and Cambodia, all the way down to Luzon and Mindanao Island in Philippines and Sumatra Island in Indonesia. The species is found on a diversity of soils, over large.Ponderosa Pine Species Usage Honey/Bee Pollen: A plant used as a source of food for Honey Bees, and may be a flavor of honey such as clover or alfalfa.
Butterfly Plant: A .
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