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The content of total lipids and lipofuscins was determined in leaves of S. latifolium aerial-aquatic and terrestrial plants at the flowering and fruiting phases. There were no significant differences in the lipid total content between aerial-aquatic and terrestrial plants at the flowering phase. At the fruiting phase, the lipid content was lower in terrestrial plants. Lipofuscins, the so-called senescence...
Submersed leaves of Myriophyllum spicatum, Potamogeton perfoliatus, and P. pectinatus were studied by the method of the transmission electron microscopy. Ultrastructural analysis of leaf epidermis of the three hygrophyte species showed the presence of some peculiarities of leaf epidermis, in particular, the presence of chloroplasts with very well developed grana structure, three-layered structure...
The aim of the present study was to examine the influence of spectral composition of irradiation (white - WL or white supplemented by blue radiation - WBL) and ozone on chlorophyll content and the optical properties of broccoli leaves (Brassica oleracea var. botrytis cymosa). Broccoli leaves were injured by the ozone dose applied (70 ppb, 6 hours daily) mainly under WBL. Leaf lamina damage was much...
A field experiment was carried out at the Research Station of Eghlid-Azad University Iran in two years (2007 and 2008), based on a randomized complete block design with three replications. Three saline irrigation water treatments: 1 control, 6 and 12 dS·m-1 were arranged as main plots and three hull-less barley cultivar (U46M, GIZA 129 and PV110) were used as subplots. The measured parameters were...
In this experiment a few physiological characters were measured in order to show differences in leaf water potential (Ψ), chlorophyll content (SPAD) and chlorophyll a fluorescence (F0, FM, FV, FV/FM) between leaves differing in age of 3 poplar cultivars inoculated with H. crustuliniforme. In control plants (non-inoculated) differences in water potential and chlorophyll fluorescence parameters between...
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