TY - JFULL AU - Janet Amiri and Shekoofeh Entesari and Kourosh Delavar and Mahshid Saadatmand and Nasrin Aghamohammad Rafie PY - 2012/3/ TI - The Effect of Silicon on Cadmium Stress in Echium amoenum T2 - International Journal of Agricultural and Biosystems Engineering SP - 50 EP - 54 VL - 6 SN - 1307-6892 UR - https://publications.waset.org/pdf/3857 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 62, 2012 N2 - The beneficial effects of Si are mainly associated with its high deposition in plant tissue and enhancing their strength and rigidity. We investigated the role of Si against cadmium stress in (Echium C) in house green condition. When the seventh leaves was be appeared, plants were pretreated with five levels of Si: 0, 0.2, 0.5, 0.7and 1.5 mM Si (as sodium trisilicate, Na2(SiO2)3) and after that plants were treated with two levels of Cd (30 and 90 mM). The effects of Silicon and Cd were investigated on some physiological and biochemical parameters such as: lipid peroxidation (malondialdehyde (MDA) and other aldehydes, antocyanin and flavonoid content. Our results showed that Cd significantly increased MDA, other aldehydes, antocyanin and flavonoids content in Echium and silicon offset the negative effect and increased tolerance of Echium against Cd stress. From this results we concluded that Si increase membrane integrity and antioxidative ability in this plant against cd stress. ER -