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1
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Seed coat microsculpturing in Gingko biloba L. cultivars

100%
Klimko M., Korszun S., Kolasinski M.
Steciana
|
2016
|
tom 20
|
nr 3
This article presents the results of a study on seed coat micromorphology and epicuticular structure of Ginkgo biloba cultivars. The micromorphology of the seed coat of 10 cultivars and one clone of female G. biloba were analysed. The taxa differed in the size and shape. Homogeneous epicuticular wax deposited in the form of wax tubules on the sarcotesta and sclerotesta surfaces. There were great differences in wax between the outer and inner layer of the sarcotesta. In the endotesta wax was diversified in the form of tubules, platelets or it was mixed. The article includes descriptions and illustrations of several micromorphological features which have not been published previously. The results of the SEM and LM investigation confirmed the taxonomic significance of the micromorphological traits in the Ginkgo genus. In the seeds many characters are present in of all the taxa and may be typical of Ginkgo.
2

Conditions for the localization of the monuments and sculptures in the public space in the towns

86%
Skalski J.
Annals of Warsaw Agricultural University. Horticulture (Landscape Architecture)
|
2002
|
tom 23
3
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Micromorphology of pollen grains of fruit trees of the genus Prunus

86%
Chwil M.
Acta Scientiarum Polonorum. Hortorum Cultus
|
2015
|
tom 14
|
nr 4
The micromorphological characteristics of the pollen grain sculpture is one of the most important diagnostic traits in plants. Pollen grains in various species of the subfamily Prunoideae are characterized by variations in size, shape and exine sculpture. In the present work, for the first time, the micromorphology of pollen grains of fourteen cultivars from five fruit tree species of the genus Prunus was compared. Morphometric observations and analysis of pollen grains were performed using light and electron scanning microscopy. In terms of size, the pollen grains studied were classified as medium sized and large. Their shape was determined to be prolate, subprolate, or prolate spheroidal. The striae in the exine of P. armeniaca run parallel and can be branched or curved. The sculpture of P. persica grains shows elongated extending paralel regular and irregular striae, dichotomously branched. Regularly arranged, or at places branched, striae are found in the exine of P. avium pollen grains. The ornamentation of P. cerasus grains is composed of elongated striae, sometimes slightly curved or with a tendency to intertwine. The exine of P. domestica grains is characterized by forked, arched striae. The stria thickness differs significantly between cultivars within the species, while the groove width differs only between some species and cultivars. The obtained results on the exine sculpture of pollen grains can be used in the taxonomy of species of the genus Prunus.
4

Seed coat patterns in rapid-cycling Brassica forms

86%
Karcz J., Ksiazczyk T., Maluszynska J.
Acta Biologica Cracoviensia. Series Botanica
|
2005
|
tom 47
|
nr 1
The micromorphological typology of seed surfaces was investigated in rapid-cycling Brassica (RCBr) forms, using scanning electron microscopy. Four types of basic ornamentation pattern were recognized: reticulate (B. rapa, B. juncea), reticulate-foveolate (B. nigra), randomly reticulate (B. oleracea, B. napus) and reticulate-rugose (B. carinata). The seed coats showed variation in the shape and size of the testa epidermal cells and the structure of the outer periclinal and anticlinal cell walls. The surface patterns in RCBr seeds were less exposed and were moderately reticulated compared to cultivated Brassica species. The micromorphological characteristics of the seed coats may provide valuable additional diagnostic criteria for delimitation of RCBr forms, and can be used in identification of seeds.
5

Creative function of sculpture in the landscape on an example of the Chopin monument in Lazienki Park

72%
Zinowiec-Cieplik K.
Annals of Warsaw Agricultural University. Horticulture
|
2001
|
tom 22
6

Rodzinne pasje

51%
Sobieszak A.
Araby
|
2010
|
nr 2(18)
7

Beton da sie lubic

44%
Syga P.
Kwietnik
|
2006
|
nr 02
44-45
8

Koń jaki jest.....

36%
Araby
|
2009
|
nr 4(16)
9

W zielonej galerii

29%
Zakrzewska A.
Kwietnik
|
2008
|
nr 02
44-45
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