to investigate the effect of dietary supplementation of l-carnitine on resistance to temperature and salinity stresses in sobaity fry, an experiment was carried out with 240 pieces of fish with average initial weight of 3.01±0.03 g for 10 weeks. experimental treatments were consisted of four levels of 0, 500, 1000 and 1800 (respectively control, lc500, lc1000 and lc1800) mg l-carnitine per kg o...

abstract seed germination is an important phase of plant development during which soil water availability is crucial. salinity can affect seed germination in two ways: 1) change of osmotic potential of available water, 2) toxicity effects. in this experiment, interactive effects of salinity and water deficit on germination criteria of two species of a, littoralis and a. logopoides were studied ...

Cadmium is highly toxic heavy metal. Soil factors such as pH, caution exchange capacity, CaCO3 content and salinity have a significant influence on Cd uptake by plants. Moreover, soil salinity has a great impact on crop yield in Iran. Therefore, the effect of four salt levels (0, 45, 90, 180 mM) of NaCl solutions and four concentrations (0, 15, 30, 60 ppm) of Cadmium sulfate solutions on seed g...

breeding medics species to drought and salinity tolerant  can play an important role in herb production and pasture rehabilitation. with the aim of study of the performance of annual burr medics under drought and salinity stresses, a pot study was conducted with factorial arrangement of treatments in a randomized complete block design in shiraz university. sown seeds were two types (threshed an...

to understand the effects of salinity stress on four different growth stages of sorghum, a greenhouse experiment with 10 treatments, considering all possible combinations of salinity stress and salt- free periods was carried out. the four growth stages for stress application included: emergence until growing point differentiation, growing point differentiation until half bloom, half bloom until...

Objective: Germination is one of the most important stages of plants growth that affected by environmental stresses, especially drought and salinity. Methods: In order to study of Artichoke germination under different levels of salinity and drought, two separate experiments were performed. The four levels of salinity by NaCl (0, 50, 100, 150 mM) with three replications and five levels of drough...

production of beneficial halophytes such as kochia (kochia scoparia) using saline waters and soils is one of the most sustainable methods of conservation in desert ecosystems. kochia is one of the most common annual halophytes grown in iran. seed germination of four ecotypes of kochia in saline conditions was carried out using factorial based on completely randomized design with four replicates...