pollen grains

Listing 1 - 10 from 115 for pollen grains

Key to Arisaemas of Japan
... . negishii Makino 4. (2) Pollen grains granulate between spinules (subsect. Tortuosa). Spadix bisexual or male. Terminal leaflet much smaller than adjacent lateral ones. A. heterophyllum Blume 4. Pollen grains smooth between spinules (subsect. Flagellarisaema ...
botu07.bio.uu.nl

Can North American rose hybridizers safely use pollen from PNRSV infected roses
... virus which is a pollen transmitted virus but transmission by pollen is very low. When transmission by pollen does occur it ... pollen grains remain on the shriveled anthers on the third day; and the stamens should still be receptive." Thus, even if the infected plant is not self-sterile; the pollen ... on the surface of the pollen and in the part of the pollen that forms the pollen tube but not in the ...
home.neo.rr.com

PalDat Homepage - worldwide largest database and most comprehensive resource on pollen and palynology
... Last database update: 02-11-2006 Download Here you find downloads to the "Terminology of Pollen and Spores" (see also our Terminology section) and selected basic palynological literature. At the moment ... R., 1933. Tertiary pollen II: The Oil Shales of the Eocene Green River Formation. Bull. Torrey Bot. Club 60: 470-524. pdf (28,2 MB) Wodehouse R., 1935. Pollen grains. Their structure, identification ...
paldat.botanik.univie.ac.at

Glossary of Pollen and Spore Terminology - Introduction
... concise manual of terminology that can be used to clarify the communication of information concerning pollen grains and spores. It is hoped that this will help to make palynological literature more accessible ... field. In this way it should encourage an increasingly standardised approach to the description of pollen grains and spores. We have tried to keep the glossary as simple as possible so that ...
www.biol.ruu.nl

Glossary of Pollen and Spore Terminology - New terms
... ciliaris. Synonym of vacuoles. Disulcate (adj.) (Harley, 1998) Describing pollen grains with sulci arranged in pairs. Two types of disulcate pollen are distinguished: equatorial disulcate, with opposing, eaquatorially arranged sulci ... . Comment: This feature is used in the description of pollen in the Perm - Trias. For extant saccate pollen grains don't show this character it is considered to be ...
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Pollen and Spore Images on the Web
... southwestern pollen grains. Journal Arizona Academy of Sciences 5 (3): 147 - 176. Martin, Paul S., and Drew, Charles M. 1970. Additional scanning electron micrographs of southwestern pollen grains. Journal Arizona Academy of Sciences 6 (2): 140 - 161. Solomon, A.M., King, J.E., Martin, P.S. and Thomas, J. 1973. Further scanning electron photomicrographs of southwestern pollen grains ...
www.geo.arizona.edu

Pollen Web Site of the Month
... and V.M. Bryant, Jr. Palynologists should see the pages of stunning plant pictures and pollen grains for several Texas regions. The Palynology Web Site of the Month for May, 2002, is ... National de Surveillance Aérobiologique (R.N.S.A.) site. This aeroallergy site includes illustrations of pollen grains and plants, a bulletin, which includes color-coded maps of current allergy risks, and previous ...
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Fossil and Surface Pollen Data - WDC for Paleoclimatology
... Pollen Data - WDC for Paleoclimatology Fossil & Surface Pollen Data Use the Tilia Dictionary Generator to create a Tilia Dictionary for your region of interest based on the pollen-types in the Global Pollen Database. Pollen grains ...
www.ncdc.noaa.gov

Passiflora pollen
... pollen Passiflora Online Passiflora pollen Pollen abnormalities | Passiflora pollen adhesion | Passiflora pollen adhesion cont. | Passiflora stigma pollen interaction | Passiflora self pollination Image © 2005 Paul R.A. West All Rights Reserved Passiflora 'Emil Kugler' anther with pollen. Passiflora pollen grains ... of Passiflora pollen SEM images. For information on storing pollen see Passiflora ...
www.passionflow.co.uk

Passiflora pollen adhesion
... pollen and stigma does not rely on the outer pollen coating, but instead on the exine, a stable polymer made up of fatty acids and phenolics. Using pollen grains lacking a pollen coating due to genetic mutation, Preuss and Zinkl showed that these grains retained the ability to bind to same-species stigmas. "This indicates that the binding factors for the pollen ...
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