Showing 2 results for Kamari
Kamari,
Volume 12, Issue 46 (3-2022)
Abstract
Aim and Background: Allergic properties of plants are an important factor in the production of natural herbicides. In this study, the microbial antimicrobial effects of aqueous extract of fennel on wheat germ germination factors were investigated.
Materials and Methods: In this experimental study, a randomized complete block design was performed in 4 treatments with 3 replications. The treatments of this experiment included 4 different concentrations of fennel aqueous extract (15, 10, 5, 5%). Measured parameters included germination percentage, seedling fresh weight, activity of alpha-amylase, catalase and malondialdehyde concentration.
Results: The results showed that the effect of experimental treatments on all measured traits of wheat grass was significant at the level of 1% probability. There was no significant difference with 5% treatment. With increasing fennel concentration, wheatgrass seedling weight also decreased. The highest weight was observed in control (0.11) and the lowest was observed in 15% fennel concentration (0.06). The highest and lowest alpha enzyme activity was observed. Amylase was observed in control treatment (4.53 nmol / min) and 15% fennel extract (1.67 nmol / min), respectively. The highest concentration of malondialdehyde in seedling tissue in 15% extract was 93% (nmol / gram )was observed. Decreased activity of antioxidant enzyme catalase was affected by increasing the concentration of fennel extract. Although the lowest activity of this enzyme was observed at a concentration of 15% (4.33 mg absorption per minute), this treatment differed from the treatment concentration of 10% (4.47 mg absorption per minute) It did not make sense.
Conclusion: According to the obtained results, it can be said that with increasing the concentration of fennel extract, the concentration of malondialdehyde also increased significantly. Aldehyde and decreased alpha-amylase activity.
Allahyar Kamari,
Volume 12, Issue 47 (7-2022)
Abstract
Aim and Background: Phytorefining is a sustainable, natural, eco-friendly and widely applicable method for refining heavy metals in soil. Heavy metals are dangerous environmental pollutants that enter the food chain and cause harm to humans, plants, and other organisms. The purpose of this research was to investigate the effect of zinc on the physiological stress process of spinach plants. Research method: In order to investigate the effect of zinc element on the physiological stress process of spinach plant, a pot experiment was carried out in a factorial form and in the form of a randomized complete block design with three replications.
Results: The results showed that increasing the concentration of chlorophyll b did not have a significant effect on chlorophyll b values, but caused significant changes in root and aerial parts, chlorophyll a, total chlorophyll and leaf surface.
Conclusion: According to the findings of the research, this plant can be used in soils contaminated with zinc metal or lands under the wastes of industrial factories to refine this metal.
