Institute of Experimental Botany
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Effects of copper on the growth, photosynthesis and nutrient concentrations of Phaseolus plants
Institute of Experimental Botany - Tập 34 - Trang 179-193
Bean plants (Phaseolus vulgaris L. var. Zargana Kavala) were grown under conditions of increasing Cu concentrations in the growth medium (0.5-160.5 µM). Generally, the Cu concentrations between 0.5-1.5 µM were deficient, 1.5-10.5 µM were optimal, and 10.5-160.5 µM were toxic to plant growth. The Cu toxicity was associated with marked increases in plant tissue Cu concentrations. Under the Cu-defici...... hiện toàn bộ
Pigment composition and functional state of the thylakoid membranes during preparation of samples for pigment-protein complexes separation by nondenaturing gel electrophoresis
Institute of Experimental Botany - Tập 48 - Trang 475-480 - 2010
The present study was conducted to examine changes in photosynthetic pigment composition and functional state of the thylakoid membranes during the individual steps of preparation of samples that are intended for a separation of pigmentprotein complexes by nondenaturing polyacrylamide gel electrophoresis. The thylakoid membranes were isolated from barley leaves (Hordeum vulgare L.) grown under low...... hiện toàn bộ
Xanthophyll cycle activity in detached barley leaves senescing under dark and light
Institute of Experimental Botany - Tập 43 - Trang 117-124 - 2005
Senescence-induced changes in the xanthophyll cycle activity and chlorophyll (Chl) fluorescence parameters were compared in detached barley (Hordeum vulgare L.) leaf segments kept for 6 d in darkness or under continuous “ white light” (90 μmol m−2 s−1). Before detachment of the leaf segments, the plants were grown at periodic regime [12 h light (90 μmol m−2 s−1)/12 h dark]. The de-epoxidation stat...... hiện toàn bộ
Influence of low phosphorus concentration on leaf photosynthetic characteristics and antioxidant response of rice genotypes
Institute of Experimental Botany - Tập 55 - Trang 285-293 - 2016
Influence of different phosphorus concentrations was studied in four rice varieties (Akhanphou, MTU1010, RP BIO 226, and Swarna) differing in their tolerance to low phosphorus. There was an increase in shoot and root dry mass with the increase in phosphorus concentration. At the low phosphorus concentration at both tillering and reproductive stages, Swarna, followed by Akhanphou, recorded maximum ...... hiện toàn bộ
Changes in Photosynthesis and Fruit Characteristics in Olive in Response to Assimilate Availability
Institute of Experimental Botany - Tập 41 - Trang 559-564 - 2003
The “source” level in the olive cultivar Leccino was varied by girdling at different stages of fruit growth. Afterwards, the effects on gas exchange, fruit growth, and ripening and blooming were studied. Girdling during fruit growth did not significantly influence net photosynthetic rate (P
N) except in the last phase of fruit growth when the P
N was reduced. In the girdled branch, P
N began to de...... hiện toàn bộ
Using combined measurements of gas exchange and chlorophyll fluorescence to investigate the photosynthetic light responses of plant species adapted to different light regimes
Institute of Experimental Botany - - 2012
Are Calcium Ions and Calcium Channels Involved in the Mechanisms of Cu2+ Toxicity in Bean Plants? The Influence of Leaf Age
Institute of Experimental Botany - Tập 36 - Trang 267-278 - 1999
The influence of calcium channel blockers and ionophore on Cu2+-induced changes of the photosynthetic activity of runner bean plants (Phaseolus coccineus L.) was investigated. Excess Cu2+ was applied to leaves by injection or via the roots to examine a short/local or a long time/systemic effect of this metal, respectively. The changes in fluorescence parameters indicated that the mechanism of toxi...... hiện toàn bộ
Irreversible changes in barley leaf chlorophyll fluorescence detected by the fluorescence temperature curve in a linear heating/cooling regime
Institute of Experimental Botany - Tập 46 Số 4 - Trang 537-546 - 2008
Physiological and biochemical responses of Theobroma cacao L. genotypes to flooding
Institute of Experimental Botany - Tập 50 - Trang 447-457 - 2012
Flooding is common in lowlands and areas with high rainfall or excessive irrigation. A major effect of flooding is the deprivation of O2 in the root zone, which affects several biochemical and morphophysiological plant processes. The objective of this study was to elucidate biochemical and physiological characteristics associated with tolerance to O2 deficiency in two clonal cacao genotypes. The e...... hiện toàn bộ
Lüttge, U.: Physiological Ecology of Tropical Plants
Institute of Experimental Botany - Tập 36 - Trang 464-464 - 1999
Tổng số: 1,463
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