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۱Effect of Drought Interactions with Ascorbate on Some Biochemical Parameters and Antioxidant Enzymes Activities in Dracocephalum moldavica L.
نویسنده(ها): ، ،
اطلاعات انتشار: World Applied Sciences Journal، بيست و هفتم،شماره۷، ۲۰۱۴، سال
تعداد صفحات: ۱۱
In order to investigate ascorbic acid effect and interaction with on biochemical properties and antioxidant enzymes activities of Dracocephalum moldavica L. (Moldavian dragonhead) in drought stress ambient conditions, a factorial experiment in completely randomized with four replications, The main factor was irrigation in three level include without stress (FC), moderate stress (2\3FC) and severe stress (1\3 FC) and ascorbate operating at two levels (0and10mmol) were considered. During, biochemical traits such as proline accumulation, whole carbohydrate, phenol compounds such as, anthocyanins and flavonoids, as well as catalase, peroxidase and ascorbate peroxidase activities were measured. Result showed that ascorbic acid treatment had positive and significant effect on measured traits of Dracocephalum moldavica L. Under stress condition plant D. moldavica with osmotic regulation mechanism and increasing of proline 112.43 μmol\L) and whole carbohydrate, to a degree tolerate stress condition. this result shows that ascorbic acid noticeably decreased deleterious effect of drought stress. soluble and insoluble carbohydrate and phenol compounds, anthocyanins and flavonoids, as well as catalase, peroxidase and ascorbate peroxidase activities significantly increased under severe stress. Using ascorbic acid under stress condition had positive effect on these traits and decreased stress effect and approach plants to control condition.
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