Background & Aim: Achillea (Fam. Asteraceae) is a medicinal plant and different species of it have several uses in the folk medicine all around the world. Achillea species are used for feverish conditions, common cold, digestive complaints, slow healing wounds and skin inflammations. This study aims to investigate the essential oil composition and antioxidant activities from t...

background & aim: achillea (fam. asteraceae) is a medicinal plant and different species of it have several uses in the folk medicine all around the world. achillea species are used for feverish conditions, common cold, digestive complaints, slow healing wounds and skin inflammations. this study aims to investigate the essential oil composition and antioxidant activities from the aerial part...

1. introduction there are about 1500 active volcanoes across the world, among which only about 400 cases have erupted during last century, only one third of which have had recorded historical eruptions. also, over 10% of world population lives around active and semi-active volcanoes (tilling, 2005). the majority of hazardous volcanoes are of stratovolcano type. plio-quaternary stratovolcanoes o...

introduction the plant hormones such as salicylic acid and gibberellin can affect the quantity and quality of crops. external application of plant growth regulators as a strategy for improving salt tolerance in plants is discussed. foreign salicylic acid can regulate antioxidant enzyme activity and increase plant resistance to abiotic stresses. salicylic acid reduction due to ethylene through t...