Cytogenetic Effects of Some Fungicides on Barley Root Tip Meristem Cells
نویسندگان
چکیده
منابع مشابه
Unique and Conserved Features of the Barley Root Meristem
Plant root growth is enabled by root meristems that harbor the stem cell niches as a source of progenitors for the different root tissues. Understanding the root development of diverse plant species is important to be able to control root growth in order to gain better performances of crop plants. In this study, we analyzed the root meristem of the fourth most abundant crop plant, barley (Horde...
متن کاملCytogenetiC effeCts of fluChloralin in mouse bone 333 CytogenetiC effeCts of fluChloralin in mouse bone marrow and root meristem Cells of Allium cepA
Cytogenetic effects of fluchloralin (Flu) were examined in the mouse bone marrow cells and Allium cepa root meristem cells. Male albino mice were orally gavaged to 146, 292 and 438 mg kg-1, corresponding to 20, 40 and 60% of LD 50 (730 mg kg-1), of Flu for 24 h. A group of mice was identically gavaged to sunflower oil for negative control or injected intraperitoneally to cyclophosphamide (20 mg...
متن کاملCytogenetical and ultrastructural effects of copper on root meristem cells of Allium sativum L.
Different copper concentrations, as well as different exposure times, were applied to investigate both cytogenetical and ultrastructural alterations in garlic (Allium sativum L.) meristem cells. Results showed that the mitotic index decreased progressively when either copper concentration or exposure time increased. C-mitosis, anaphase bridges, chromosome stickiness and broken nuclei were obser...
متن کاملEffects of Cadmium Stress on Root Tip Cells and Some Physiological Indexes in Allium Cepa Var . Agrogarum L .
Allium cepa var. agrogarum L. seedlings grown in nutrient solution were subjected to increasing concentrations of Cd2+ (0, 1, 10, 100 μM). Variation in tolerance to cadmium toxicity was studied based on chromosome aberrations, nucleoli structure and reconstruction of root tip cells, Cd accumulation and mineral metabolism, lipid peroxidation, and changes in the antioxidative defense system (SOD,...
متن کاملEffects of salt Stress on Root Anatomy and Hydraulic Conductivity of Barley Cultivars
A hydroponic experiment was carried out to compare root anatomy and hydraulic conductivity of four barley cultivars including Valfajr, Karoon, Afzal and Zarjo under salt stress conditions. The results showed that under salt stress, the minimum diameter of vessels was observed in the peripheral metaxylem of seminal roots of Valfajr cultivar and in adventitious roots; Karoon with 19±3 µm had maxi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Pakistan Journal of Biological Sciences
سال: 2006
ISSN: 1028-8880
DOI: 10.3923/pjbs.2006.2508.2511