Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Thomas Sawidis"'
Publikováno v:
Acta Agrobotanica, Vol 74, Iss 0 (2021)
In vitro culture of Lilium longiflorum pollen grains was carried out to determine the role of manganese in pollen germination and pollen tube growth. Pollen germination was adversely affected by the presence of manganese (10−8 M), whereas low conce
Externí odkaz:
https://doaj.org/article/4baf9230167f49058eb22e61a6c2465d
Autor:
Elżbieta Weryszko-Chmielewska, Aneta Sulborska, Beata Żuraw, Renata Chyżewska, Thomas Sawidis
Publikováno v:
Acta Agrobotanica, Vol 70, Iss 3 (2017)
In terms of flowering ecology, Pulsatilla flowers are classified as “pollen flowers” producing inconsiderable amounts of nectar. The aim of this study was to assess the length of the flowering period in Pulsatilla slavica and P. vulgaris and to i
Externí odkaz:
https://doaj.org/article/ccacc972254a4060a9c7818a35b29a93
Publikováno v:
Acta Agrobotanica, Vol 67, Iss 1, Pp 15-20 (2014)
Origanum dictamnus is a seasonally dimorphic plant having different appearance in winter and summer. Shoots of winter plants are leaf-naked except for their apical region which bears a cluster of small leaves covered with a thick indumentum of non-gl
Externí odkaz:
https://doaj.org/article/8e65d8403e404699a7e0670a57a35361
Publikováno v:
Acta Agrobotanica, Vol 59, Iss 2, Pp 29-42 (2012)
The structure of septal nectaries in Asphodelus aestivus flowers was investigated by using light microscopy (LM), scanning electron microscopy (SEM) and transmission electron microscopy (EM). It was found that the outlets of the three parts of the ne
Externí odkaz:
https://doaj.org/article/0233b5d7bdab4cc19d2de195cb367ca8
Publikováno v:
Acta Agrobotanica, Vol 60, Iss 1, Pp 13-23 (2012)
The conducted studies pertained to micromorphology of the surface of epidermis cells and histological traits of staminal filaments of Asphodelus aestivus Brot. flowers. The structure of the filaments was analyzed in a light microscope (LM) using vari
Externí odkaz:
https://doaj.org/article/706e47e704304573b62854904f5ea518
Publikováno v:
Protoplasma. 259:1467-1476
Chaenomeles japonica is an attractive ornamental shrub flowering in spring. It is also a valuable source of nectar and pollen for entomofauna. The study was carried out to investigate the structure of hypanthial nectaries present in the flowers of th
Publikováno v:
Global Journal Of Botanical Science. 9:21-34
Manganese, nickel and zinc were determined in soils and 4 plants (2 cultivated: Brassica oleracea, Zea mays and 2 non cultivated: Rumex acetosa, Verbascum phlomoides) around the Coal Power Plant (CPP) - Agios Dimitrios, the largest CPP in Greece. In
Publikováno v:
Acta Agrobotanica, Vol 74, Iss 0 (2021)
In vitro culture of Lilium longiflorum pollen grains was carried out to determine the role of manganese in pollen germination and pollen tube growth. Pollen germination was adversely affected by the presence of manganese (>10 −8 M), whereas low con
Autor:
Marija Pavlović, Olga Kostić, Veljko Perović, Thomas Sawidis, Pavle Pavlović, Miroslava Mitrović, Jürgen Breuste, Dragana Đorđević, Dragana Sumarac Pavlovic, Dragan Čakmak
Publikováno v:
International Journal of Environmental Research and Public Health
International Journal of Environmental Research and Public Health, Vol 18, Iss 6014, p 6014 (2021)
Volume 18
Issue 11
International Journal of Environmental Research and Public Health, Vol 18, Iss 6014, p 6014 (2021)
Volume 18
Issue 11
Concentrations of potentially toxic elements (PTEs) (Al, As, Cd, Cr, Cu, Ni, Pb, and Zn) were measured in topsoil samples collected from parks in the cities of Salzburg (Austria), Thessaloniki (Greece), and Belgrade (Serbia) in order to assess the di
Publikováno v:
Protoplasma. 255:819-828
Pollen development and germination were adversely affected by the presence of mercury, whereas low-concentrations stimulated the whole procedure. Mercury caused morphological anomalies during the tube growth, characterized by irregularly increasing d