Ontogenèse des canaux sécréteurs d'origine primaire dans la jeune plante de Pinus pinaster

1990 ◽  
Vol 68 (10) ◽  
pp. 2119-2126
Author(s):  
J. Charon ◽  
E. Vindt-Balguerie ◽  
J. Launay
Keyword(s):  
Key Words ◽  
Pinus Pinaster ◽  
Cotyledonary Node ◽  
Long Distance ◽  
Resin Ducts ◽  
Resin Duct ◽  
Pinus Pinaster Ait ◽  
Adult Plants

An ontogenic study of the primary resin ducts was carried out from the embryo to the 2-month-old seedlings stage in Pinus pinaster Ait. and revealed two separate systems, the hypocotyl-radicular ducts and the epicotylar ducts. In the first system, each one of the resin ducts, which are numerically equal to the protoxylem strands of the radicle, is formed by vertical juxtaposition of two canals initiated partly in the hypocotyl and in the radicle. This system is closed at the level of the cotyledonary node. The second system consists of the anastomosis of the resin ducts initiated in the base of euphylls. This system is closed at the level of the base of the epicotyl and is not correlated with the first one. The primary resin ducts are formed on a schizolysigenous pattern. In the epicotylar bud, the schizogenous and lysigenous processes are described and they occur over a long distance. This schizolysigenous process of primary resin ducts is compared in young and adult plants. Key words: resin duct, ontogenesis, schizogeny, lysigeny, seedling, Pinus pinaster.

Ontogenèse des canaux sécréteurs d'origine primaire dans le bourgeon de Pin maritime

1986 ◽  
Vol 64 (12) ◽  
pp. 2955-2964 ◽  
Author(s):  
J. Charon ◽  
J. Launay ◽  
E. Vindt-Balguerie
Keyword(s):  
Electron Microscopy ◽  
Pinus Pinaster ◽  
Light And Electron Microscopy ◽  
Canal System ◽  
Resin Ducts ◽  
Resin Duct ◽  
Procambial Strand ◽  
Pinus Pinaster Ait ◽  
The Right ◽  
Pin Maritime

In the bud of Pinus pinaster Ait., two resin ducts are formed at the base of each very young scale on each side of the procambial strand. They differentiate in the acropetal and basipetal directions as do the vascular tissues. During the basipetal differentiation, the resin ducts from each scale anastomose in a definite way: the left resin duct of each scale is connected with the right duct of the n – 8 scale rank and the right duct, with the left duct of the n – 5 scale rank. The resin canal system of the shoot is then constituted of only 13 resin ducts. The resin ducts of the maritime pine are formed on a schizolysigenous pattern: a schizogenous process induces the formation of the lumen; then a transitory stage with two secretory layers takes place before a lysigenous process which enhances the enlargement of the duct lumen. Observations were done using light and electron microscopy.

Valorisation of non-timber by-products from maritime pine (Pinus pinaster, Ait) for particleboard production

2021 ◽  
Vol 168 ◽  
pp. 113581
Author(s):  
J. Santos ◽  
J. Pereira ◽  
N. Ferreira ◽  
N. Paiva ◽  
J. Ferra ◽  
...  
Keyword(s):  
Pinus Pinaster ◽  
Maritime Pine ◽  
Pinus Pinaster Ait ◽  
By Products

Does phylogeographical structure relate to climatic niche divergence? A test using maritime pine (Pinus pinaster Ait.)

2015 ◽  
Vol 24 (11) ◽  
pp. 1302-1313 ◽  
Author(s):  
M. J. Serra-Varela ◽  
D. Grivet ◽  
L. Vincenot ◽  
O. Broennimann ◽  
J. Gonzalo-Jiménez ◽  
...  
Keyword(s):  
Pinus Pinaster ◽  
Maritime Pine ◽  
Climatic Niche ◽  
Niche Divergence ◽  
Pinus Pinaster Ait

Anatomy and Chemical Composition of Pinus Pinaster Bark

IAWA Journal ◽  
1996 ◽  
Vol 17 (2) ◽  
pp. 141-150 ◽  
Author(s):  
Elsa Nunes ◽  
Teresa Quilhó ◽  
Helena Pereira
Keyword(s):  
Chemical Composition ◽  
Pinus Pinaster ◽  
Variable Number ◽  
Starch Granules ◽  
Secondary Phloem ◽  
Scale Type ◽  
Resin Ducts ◽  
Sieve Cells ◽  
Parenchyma Cells

The secondary phloem of Pinus pinaster Aiton bark has sieve cells and axial and radial parenchyma, but no fibres. Resin ducts are present in fusiform rays . Stiloid crystals, starch granules and tannins occur inside sieve and parenchyma cells. The rhytidome of P. pinaster bark has a variable number of periderms forming scale-type discontinuous layers over expanded parenchyma cells. Phellem comprises 4-6 layers of thickwaIled and little suberized cells and phelloderm a layer of 2 or 3 thickened lignified ceIls and a layer of expanded cells.

scholarly journals Fire severity as a key factor in post-fire regeneration of Pinus pinaster (Ait.) in Central Portugal

2012 ◽  
Vol 69 (4) ◽  
pp. 489-498 ◽  
Author(s):  
Paula Maia ◽  
Juli G. Pausas ◽  
Ana Vasques ◽  
Jan Jacob Keizer
Keyword(s):  
Pinus Pinaster ◽  
Fire Severity ◽  
Pinus Pinaster Ait ◽  
Key Factor ◽  
Central Portugal

Seed storage protein from Pinus pinaster Ait.: homology of major components with 11S proteins from angiosperms

Plant Science ◽  
1992 ◽  
Vol 87 (1) ◽  
pp. 9-18 ◽  
Author(s):  
Isabel Allona ◽  
Rosa Casado ◽  
Cipriano Aragoncillo
Keyword(s):  
Storage Protein ◽  
Pinus Pinaster ◽  
Seed Storage Protein ◽  
Seed Storage ◽  
Pinus Pinaster Ait

scholarly journals Evaluating different harvest intensities over understory plant diversity and pine seedlings, in a Pinus pinaster Ait. natural stand of Spain

Plant Ecology ◽  
2008 ◽  
Vol 201 (1) ◽  
pp. 211-220 ◽  
Author(s):  
J. González-Alday ◽  
C. Martínez-Ruiz ◽  
F. Bravo
Keyword(s):  
Plant Diversity ◽  
Pinus Pinaster ◽  
Natural Stand ◽  
Pine Seedlings ◽  
Pinus Pinaster Ait ◽  
Understory Plant

Morphological and chemical differentiation between Tunisian populations of Pinus halepensis Mill., Pinus brutia Ten. and Pinus pinaster Ait.

2021 ◽  
Author(s):  
Mariem Khouja ◽  
Rita C Alves ◽  
Diana Melo ◽  
Anabela S.G Costa ◽  
M. Antonia Nunes ◽  
...  
Keyword(s):  
Pinus Pinaster ◽  
Pinus Halepensis ◽  
Pinus Brutia ◽  
Chemical Differentiation ◽  
Pinus Pinaster Ait

scholarly journals Microsatellite markers for Pinus pinaster Ait.

2001 ◽  
Vol 58 (2) ◽  
pp. 203-206 ◽  
Author(s):  
St�phanie Mariette ◽  
David Chagn� ◽  
St�phane Decroocq ◽  
Giuseppe Giovanni Vendramin ◽  
C�line Lalanne ◽  
...  
Keyword(s):  
Microsatellite Markers ◽  
Pinus Pinaster ◽  
Pinus Pinaster Ait

Within-tree variation of heartwood and ring width in maritime pine (Pinus pinaster Ait.)

2005 ◽  
Vol 210 (1-3) ◽  
pp. 81-89 ◽  
Author(s):  
Sofia Knapic ◽  
Helena Pereira
Keyword(s):  
Pinus Pinaster ◽  
Ring Width ◽  
Maritime Pine ◽  
Pinus Pinaster Ait
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