A Comparison of the Salt Hardiness of Barley, Petunia, and Tomato When Grown in Saline and Nonsaline Substrates
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Leaf water potential of differentially salinized plants.
Water and osmotic potential energies were measured with thermocouple psychrometers, at intervals during a 4-week period, in growing leaves of bean (Phaseolus vulgaris, var. Blue Lake) and barley (Hordeum vulgare, var. Liberty) plants having roots equally split between 2 differentially salinized nutrient solutions. The osmotic potentials of plants with half their roots in saline solutions were a...
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Despite general effect of salicylic-acid (SA) in improving plant growth andproductivity in saline conditions, there have not been unanimity about the bestconcentration. In this 2-yr field study the effect of different SA concentrations(0, 0.5, 1.0, 1.5 and 2.0 mM) was examined on growth, grain yield and yieldcomponents of barley under two non-saline (2 dS m-1) and saline (12 dS m-1)conditions. ...
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The effect of salt stress on the growth and ion accumulation in Seidlitzia rosmarinuswas determined by growing plants in soils receiving different percentages of a composed salt. Saltwort (S. rosmarinus) plantswere grown under controlled greenhouse conditions. Growth parameters were progressively declined by increasing soil salinity percentage. Saltwort, a perennial halophyte, exhibits signific...
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The effect of Ca2+ on NO3- assimilation in young barley (Hordeum vulgare L. var CM 72) seedlings in the presence and absence of NaCl was studied. Calcium increased the activity of the NO3- transporter under saline conditions, but had little effect under nonsaline conditions. Calcium decreased the induction period for the NO3- transporter under both saline and nonsaline conditions but had litt...
متن کاملتأثیر کاربرد کلسیم و پتاسیم بر مصرف آب و عملکرد میوه گوجه‌فرنگی در کشت هیدروپونیک با توزیع دینامیک و غیر یک‌نواخت املاح
One of the problems for unequal distribution of salts in the root media is toxicity of sodium (Na) and reduced uptake of some nutrients, particularly calcium (Ca) and potassium (K), by the roots growing in the saline section. There is a hypothesis that addition of Ca and K to these systems might alleviate salt-induced damages to plants. This study was carried out to evaluate the effect of Ca an...
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