مهتدی, احمد

دانشگاه یاسوج

[ 1 ] - اثر کلسیم بر جذب و تجمع کادمیوم و روی در گیاه چلیپا (.Matthiola flavida Boiss)

The pollution caused by the presence of heavy metals in the air, water and soil is one of the world's ecological problems. In this study, the effect of different concentrations of calcium on the absorption and accumulation of Cd and Zn in M. flavida from Brassicacea was studied. For this purpose, concentrations of 100, 400 and 1600 µM calcium and 1, 5 and 10 µM Cd and 10, 20 and 40 ...

[ 2 ] - اثر غلظت های مختلف روی بر برخی خصوصیات فیزیولوژیک گیاه اسفرزه (Plantago ovata L.) تحت تنش شوری

The use of micronutrient fertilizers, such as zinc on the condition of natural limiting factors such as salinity can be a great help in the development of medicinal plants cultivated in many parts of the country. In order to study the response of Plantago ovata to zinc application under salt stress, a pot experiment was conducted in 2013, as factorial experiment based on a complete randomized d...

[ 3 ] - ارزیابی توان دگرآسیبی عصاره‌ی آبی بومادران (Achillea wilhelmsii) بر جوانه‌زنی و رشد خردلی کاذب (Hirshfeldia incana) و جوی هرز وحشی (Hordeum glaucum)

Weeds pose a serious threat to farmers. Using allopathic properties of the plants, especially those of the medicinal plants, has an important role in controlling weeds. This study was conducted to examine the allelopathic potential of Achillea wilhelmsii in germination of Hirshfeldia incana and Hordeum glaucum. A factorial experiment was conducted, adopting a completely randomized design with t...

[ 4 ] - Assessing the capacity of trees and shrubs species to accumulate of particulate matter (PM10, PM2.5 and PM0.2)

Background and Objective: Today, the presence and increase of particulate matter is one of the serious factors that threaten human health. In the meantime, trees can accumulate airborne particles by their foliage. In this study, the accumulating ability of various PM by the leaf of some tree and shrub species was evaluated in Isfahan. Materials and Methods: 12 species of trees and shrubs were ...