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Topic: Pistil


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In the News (Thu 18 Jul 19)

  
  AllRefer.com - pistil (Botany, General) - Encyclopedia
pistil [pis´til] Pronunciation Key, one of the four basic parts of a flower, the central structure around which are arranged the stamens, the petals, and the sepals.
The pistil is usually called the female reproductive organ of a flowering plant, although the actual reproductive structures are microscopic.
A flower that has one or more pistils but no stamens (or nonfunctional ones) is called pistillate, or female, as distinguished from a staminate, or male, flower, in which the pistil is nonfunctional or absent.
reference.allrefer.com /encyclopedia/P/pistil.html   (289 words)

  
 Carpel - Wikipedia, the free encyclopedia
An example of a simple carpel is that of a pea or bean : the fruit develops from the single carpel consisting of two rows of ovules aligned beside one another along the placental margin.
The union of two or more carpels ( syncarpy) may be observable as part of the ontogeny (flower development) or the compound pistil may simply develop as a unit structure (a congenitally fused pistil) to be interpreted as an aspect of the phylogeny (evolutionary history).
A complicating factor in all of this is the fact that in some species syncarpy is present only at the base of the carpels, the pistil being apocarpous in the upper part.
en.wikipedia.org /wiki/Carpel   (872 words)

  
 Learn more about Flower in the online encyclopedia.   (Site not responding. Last check: 2007-10-14)
The two subclasses of flowering plants are distinguished by the number of floral organs in each whorl: dicotyledons typically having 4 or 5 organs (or a multiple of 4 or 5) in each whorl and monocotyledons having three or some multiple of three.
The number of carpels in a compound pistil may be only two, or otherwise not related to the generalization for monocots and dicots.
Some flowers with both stamens and a pistil are capable of self-fertilization, which increases the chance of producing seeds but limits genetic variation.
www.onlineencyclopedia.org /f/fl/flower.html   (1106 words)

  
 Flower - Wikipedia, the free encyclopedia
For example, the two subclasses of flowering plants may be distinguished by the number of floral organs in each whorl: dicotyledons typically having 4 or 5 organs (or a multiple of 4 or 5) in each whorl and monocotyledons having three or some multiple of three.
The number of carpels in a compound pistil may be only two, or otherwise not related to the above generalization for monocots and dicots.
Some flowers with both stamens and a pistil are capable of self-fertilization, which does increase the chance of producing seeds but limits genetic variation.
en.wikipedia.org /wiki/Flower   (1512 words)

  
 PISTIL Paper   (Site not responding. Last check: 2007-10-14)
PISTIL is a physical embodiment of the "insight not oversight" approach to weapon system acquisition.
PISTIL's laboratory environment, on the other hand, with its real missile hardware, real data-link hardware, real tactical aircraft, and unlimited target images, is the most cost-effective alternative to captive flights and live firings for imaging seeker missiles.
PISTIL can be used to reduce the number of high-cost, unrepeatable live firings, and captive flights, thus greatly reducing development and lifecycle costs.
www.nawcwpns.navy.mil /techtransfer/facility/pistpap.htm   (1722 words)

  
 PiSTiL flowers :-: home   (Site not responding. Last check: 2007-10-14)
Pistil Flowers is a newly established florist located in the nostalgic town Palmwoods on Queensland's beautiful Sunshine Coast.
Pistil Flowers can provide you with gorgeous arrangements personally designed for any taste or budget - tropical or traditional, extravagant or conservative, intimate or corporate - Pistil can deliver.
Pistil also specialises in bridal arrangements including - but not limited to - bouquets, buttonholes, church and table decorations.
www.pistilflowers.com.au /about.htm   (160 words)

  
 Sticky Pistil Press
Sticky Pistil made the grade, a spectacular achievement considering the band is based in a rural community far away from the music industry's epicenters of New York and L.A. Sticky Pistil has songs posted on AMP3.com, which pays the band $.05 per download.
The pistil is the female part of the flower that incubates the growing seeds after being fertilized by the pollen from the stamen, the male part.
the fact that the pistil is sticky means the flower is definately interested in making that fertilization process happen - which is a metaphor for what a local band is trying to accomplish on many different levels.
www.arielpublicity.com /sticky_pistil/articles.html   (2119 words)

  
 PISTIL - LoveToKnow Article on PISTIL
pistil about the middle of the 18th century.
In its complete form a pistil consists of three parts ovary, at the base, containing the bodies which become seeds, style (Gr.
To properly cite this PISTIL article in your work, copy the complete reference below:
www.1911encyclopedia.org /P/PI/PISTIL.htm   (112 words)

  
 Penn State Eberly College of Science -- Kao5-2004
Matching of the S-allele carried by the pollen with one of the two S-alleles carried by the pistil results in the growth arrest of the pollen tube in the style.
The pistil, on the other hand, is diploid, meaning that it has two sets of chromosomes (one from each parent) and therefore has both S-alleles of the parent plant.
To identify the pollen component in self-incompatibility, the team examined the DNA sequence of a chromosomal region containing the S2-allele of the S-RNase gene (the previously identified pistil component for plants containing the specific S-locus allele that is labeled S2).
www.science.psu.edu /alert/Kao5-2004.htm   (1220 words)

  
 Cauta pistil   (Site not responding. Last check: 2007-10-14)
Rezultatele 11 - 20 din aproximativ 102 pentru pistil.
mea si tot pocneau din pistil in fundul mojarului aruncand stropi de...
Tija, presata plat, are in mijloc un pistil conic, in nuante de la verzuliu la maro galbui...
pistil.cautari.ro /search.php?action=&q=pistil&pageNumber=2   (169 words)

  
 Lowchens of Australia presents the AGILITY LOWCHEN - "Pistil"!
I think it looks like something bit Pistil in the butt while he was in the chute, and he's going to turn around, dive back in and get it, all before the chute falls.
Pistil now has his 3 NADAC Novice titles in Standard, Jumpers and Gamblers, plus his Novice Standard title in ASCA.
Pistil is now working on his AKC MX (Master Agility Excellent) which requires 10 perfect runs in the Excellent B Standard class, and his MXJ (Master Excellent JWW), which requires 10 perfect runs in the Excellent B Jumpers With Weaves class.
www.lowchensaustralia.com /agility/pistil2.htm   (615 words)

  
 Pistil Factors Controlling Pollination -- Sanchez et al. 16 (Supplement 1): S98 -- THE PLANT CELL
The pistil, the pollen-accepting organ that occupies the central
(the pistil) and the male gametophyte (the pollen grain and
in the pistil and by the expression of genes that encode enzymes
www.plantcell.org /cgi/content/full/16/suppl_1/S98   (6137 words)

  
 MSN Encarta - Search Results - pistil
Flower, Flower: Pistil, angiosperms, composite flowers, diagram, parts of a flower, fleshy fruits, fruit formation, role in, picture, pollination
The innermost whorl, located in the center of the flower, is the female reproductive structure, or pistil.
Exclusively for MSN Encarta Premium Subscribers--quickly search thousands of articles from magazines such as Time, Newsweek, The Atlantic Monthly, and Smithsonian.
encarta.msn.com /pistil.html   (151 words)

  
 reprochar   (Site not responding. Last check: 2007-10-14)
Silique or silicle --special capsule with two halves which fall away from a central false septum ( replum) to which the seeds are attached.
Schizocarp --from a compound pistil, splits into mericarps (pieces) which enclose one or more seeds and resemble fruits themselves.
Pome --from an inferior ovary with the hypanthium/receptacle tissue swollen and juicy.
www.csdl.tamu.edu /FLORA/tfplab/reproch.htm   (1012 words)

  
 Plant Fertilization
In some kinds of flowers the pistil will absolutely refuse to open the door, as it were, should the pollen-grains from one of its own stamens come knocking; or, in plain English, will not produce seed when sprinkled with this home-grown pollen.
In the flowers of the Catalpa, where each flower has its own stamens and its own pistil, the lobes of the stigma, the part of the pistil that catches and holds the pollen-grains, remain resolutely closed until after the stamens have ripened and their pollen has all been carried away by the bees.
The slender "handle" of the pistil is the Style (L. "stylus," the slender instrument the Romans used as a pen).
www.publicbookshelf.com /public_html/A_Year_in_the_Wonderland_of_Trees_/plantfert_da.html   (741 words)

  
 Lowchens of Australia presents the AGILITY LOWCHEN - "Pistil"!   (Site not responding. Last check: 2007-10-14)
TayWil's Aerien Pistil Pete, OA, AXJ (known to his friends as "Pistil" and to his fellow competitors in the 12" jump height as "Da Bullet") lives in Houston, Texas, where he is owned, trained, handled and adored by Barbara Cecil.
To give you an idea of how fast Pistil is, Saturday's Excellent JWW course was 177 yards long; the judge gave it a standard course time of 52 seconds.
Pistil ran the 20 obstacle course in 39 seconds.
www.lowchensaustralia.com /agility/pistila.htm   (477 words)

  
 Genetic Analysis of Growth-Regulator-Induced Parthenocarpy in Arabidopsis -- Vivian-Smith and Koltunow 121 (2): 437 -- ...
Pistil Receptivity to Pollen and to GA Emasculated flowers ( n = 10 pistils) were pollinated or treated with a single application of 10 µmol GA
pistil length at 7 DPA was used as the baseline to evaluate and
Carpel wall cross-sections illustrating the degree of carpel expansion and development from an anthesis-stage pistil compared with 7-DPA unpollinated, pollinated, and PGR-treated siliques from the gai and L er backgrounds.
www.plantphysiol.org /cgi/content/full/121/2/437   (7654 words)

  
 Anthranilic acid accumulation and pistil proliferation: a second instance   (Site not responding. Last check: 2007-10-14)
These plants and all their sibs had been detasseled (to protect a nearby isolation plot) and no sibs were selfed.
Of 216 F2 plants (a sample aggregate from 21 F1's), all were female fertile, but ears from seven did show lower floret and occasional upper floret pistil proliferation.
Though pollination of the F2 ears was not controlled, kernels from the seven ears showing Pt-like symptoms produced blue fluorescent seedlings in high enough proportion to indicate all were homozygous Bf.
www.maizegdb.org /mnl/54/98williams.html   (507 words)

  
 Dynamic 1-Aminocyclopropane-1-Carboxylate-Synthase and -Oxidase Transcript Accumulation Patterns during Pollen Tube ...
The accumulation levels are expressed in picograms per microgram total RNA and were obtained from calibrated RNA gel blots as described in "Materials and Methods." In the pistil drawing over each graph, the position of the front of the pollen tube tips or needle is indicated by the respective symbol.
The accumulation levels are expressed in picograms per microgram total RNA and were obtained from calibrated RNA gel blots as described in "Materials and Methods." In the pistil drawing over each graph, the position of the tip of the pollen tubes or needle is indicated by the respective symbol.
Lantin S, O'Brien M, Matton DP (1999) Pollination, wounding and jasmonate treatments induce the expression of a developmentally regulated pistil dioxygenase at a distance, in the ovary, in the wild potato Solanum chacoense Bitt.
www.plantphysiol.org /cgi/content/full/130/3/1190   (5983 words)

  
 RedNova News - Science - STIG1 Controls Exudate Secretion in the Pistil of Petunia and Tobacco1[W]   (Site not responding. Last check: 2007-10-14)
Three, 6, and 24 h after pollination, pistils were collected and fixed in ethanol/acetic acid (3:1) for 12 h at 4C and pretreated in 2 N NaOH for 1 h at 60C to soften the tissue, rinsed in water, and placed directly into a drop of aniline blue.
The pistils were squashed, the number of pollen tubes that had penetrated the stigma was counted, and their mean length measured (10 pistils of each) using a Leitz fluorescence microscope with a UV excitation-blue emission filter.
To verify the number of pollen tubes successfully reaching the ovule, 10 nearly mature fruits of both wild-type and petunia knockout plants were harvested, the pericarp was removed, and the seeds were scraped from the placenta and counted.
www.rednova.com /news/science/153737/stig1_controls_exudate_secretion_in_the_pistil_of_petunia_and/index.html   (6094 words)

  
 The parts of a flower - pistil
In many plant species, the ovaries of the carpels may be fused to form a single ovary and the styles may be fused to form a single style, thus the plant has a single pistil consisting of several fused carpels.
In peas and beans (Fabaceae) which have a pistil consisting of a single carpel, the placenta occurs on the ovary wall opposite the main vein.
In flowers where the pistil consists of more than one fused carpel the situation is more complex.
www.botany.uwc.ac.za /ecotree/flowers/flowerparts2.htm   (583 words)

  
 Pistil Books Online
Pistil Prose is a publication of Pistil Books and News, a bookstore in Seattle's fine Capitol Hill district.
Employees of Pistil Books on Capitol Hill compile a very literate publication representing their store, and this issue has a "crime" theme.
There is an interview with a prisoner at Monroe, a very good piece about a skinny Pistil employee chasing down and subduing a bullyish robber over the S.U. campus, and then receiving guilt-trip letters from the perpetrator.
www.pistilbooks.com /prose/prose.html   (504 words)

  
 Great Plant Escape - Flower parts
The main flower parts are the male part called the stamen and the female part called the pistil.
The pistil has three parts: stigma, style, and ovary.
The stigma is the sticky surface at the top of the pistil; it traps and holds the pollen.
www.urbanext.uiuc.edu /gpe/case4/c4facts1a.html   (185 words)

  
 Great Plant Escape - Plant parts
The pistil usually is located in the center of the flower and is made up of of three parts: the stigma, style, and ovary.
The male parts are called stamens and usually surround the pistil.
The stamen is made up of two parts: the anther and filament.
www.urbanext.uiuc.edu /gpe/case1/c1facts2d.html   (195 words)

  
 EditAvenue.com - The Online Editing Service Marketplace
The reproductive floral parts are the pistil and the stamens.
The pistil is in the center of the flower.
The pistil is composed of one or more modified leaves, in the center of the flower.
www.editavenue.com /writingtip.asp?cid=1500   (604 words)

  
 Pistil   (Site not responding. Last check: 2007-10-14)
Pistil Books Used and out-of-print books in categories.
It uses material from the Wiktionary page "Pistil".
Help build the largest human-edited directory on the web.
www.serebella.com /encyclopedia/article-Pistil.html   (83 words)

  
 Arabidopsis TSO1 Regulates Directional Processes in Cells During Floral Organogenesis -- Hauser et al. 150 (1): 411 -- ...
Pollen tubes were visualized by epifluorescence in pistil squashes stained with decolorized aniline blue.
pistils, the pollen tubes were present throughout the transmitting tissue, but did not track to sterile ovules.
(B) In wild-type pistils, pollen tubes emerged from the transmitting tissue and directly tracked along the funiculi to enter the micropyles of the ovules.
www.genetics.org /cgi/content/full/150/1/411   (6185 words)

  
 Sticky Pistil - index page - Free MP3 downloads, CDs, Bio Info, Tour Dates, Lyrics and More!"   (Site not responding. Last check: 2007-10-14)
Relying on a funky bass groove oriented sound, Sticky Pistil inject samples, clever guitar hooks, and vocals that utilize influences from just about any funk band you've ever heard, from Prince to P-Funk.
MP3Critic.com Sticky Pistil's "Hi Fi Superfly"...by Kevin Kreiner "Hi Fi Superfly" is certainly one of the most ambitious records I've heard in a long time.
[Sticky Pistil's] ability to integrate a kind of nostalgic "get down funky" psychedelic sound with cutting edge hip hop lyrics and beats and end up with a great rock and roll record will definately get "hi-fi superfly" a place on the charts.
artists.iuma.com /IUMA/Bands/Sticky_Pistil   (515 words)

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