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Plants exposed to osmotic stress exhibit changes in their physiology and metabolism. In general, osmotic stress reduces water availability and causes nutritional imbalance in plants. In the present study, we compared the response of cucumber (Cucumis sativus L. var. Władko F-1) to ionic (100 mmol•dm-3 NaCl) and osmotic stress (10% PEG 6000). Both stress factors reduced significantly fresh and dry...
In this study, investigated were the effects of NaCl (60 mmol/dm-3) and NaCl supplemented with different salts (5 mmol/dm-3 CaCl2, CaSO4, CaCO3, KCl), on growth of two maize varieties (Cyrkon and Limko). After 7 days of cultivation in nutrient solution the growth response to salinity of both maize varieties was similar. NaCl led to a dramatic decrease in growth of plants (approx. 50% reduction in...
W doświadczeniach wegetacyjnych badano wpływ wzrastających dawek niklu na wzrost pszenicy. Pomiary fluorescencji chlorofilu przeprowadzono w warunkach naturalnych na liściach flagowych mierząc Fo, Fv/Fm, tl/2. Toksyczność niklu była większa w przypadku gleb o większej kwasowości. Stosunek Fv/Fm malał znacznie wolniej u roślin rosnących na glebach zawierających dużą ilość Ni, niż u roślin kontrolnych...
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