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Effect of darkness on growth and flowering of Chenopodium rubrum and C. murale plants in vitro
(Acad Sciences Czech Republic, Inst Experimental Botany, Praha 6, 2003)
Chenopodium rubrum, a short-day plant, and C. murale, a long-day plant, were grown in vitro in continuous darkness. Control C. rubrum plants exposed to continuous darkness for 15 d at cotyledonary phase, did not flower, ...
Nitrate does not result in iron inactivation in the apoplast of sunflower leaves
(Amer Soc Plant Biologists, Rockville, 2003)
It has been hypothesized that nitrate (NO3-) nutrition might induce iron (Fe) deficiency chlorosis by inactivation of Fe in the leaf apoplast (H.U. Kosegarten, B. Hoffmann, K. Mengel [1999] Plant Physiol 121: 1069-1079). ...
Климатске карактеристике у планинској шуми букве на Брезовици
(Београд : Министарство шумарства ФНРЈ, 2003)
U radu su prikazane klimatske karakteristike na području Brezovice u
severoistočnoj Srbiji, na osnovu klimatskih podataka tridesetogodišnjg perioda
merenja za izabrane, za ovo područje karakteristične meteorološke stanice. ...
Neki efekti gazdovanja ribarskog gazdinstva „Ečka“ u Specijalnom rezervatu priode „Stari Begej-Carska bara“ na populaciju ćubastog gnjurca
(Uređivački odbor "Ekološke istine 2003", 2003)
Secijalni rezervat prirode «Stari Begej-Carska bara», je od 1955. godine zaštitićeno zakonom na nacionalnom nivou. Ovo područje se na IUCN listi vodenih staništa nalazi od 1965. godine, a 1989. godine proglašeno je za ...
Pyrosol preparation and structural characterization of SnO2 thin films
(Elsevier Science Sa, Lausanne, 2003)
Polycrystalline tin oxide thin films were prepared from ethanol solution Of SnCl2.H2O (concentrations: 0.05, 0.1, 0.2 and 0.4 mol/dm(3)) at different substrate temperatures ranging from 300 to 450 degreesC. The kinetic ...