The defence related enzymatic content of suger beet against Beet severe curly top virus and Pseudomonas fluorescens strain CAH0

Subject Areas : Plant Protection

Efat ALEMZADEH ¹ , Keramat IZADPANAH ² , Moussa ZAREI ³ , Ali Akbar BEHJATNIA ⁴

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Received: 2016-03-17 Accepted : 2015-11-10 Published : 2014-11-22

Keywords:

Abstract :

Various environmental stresses including biotic and abiotic stresses lead to the production of reactive oxygen species (ROS). Accumulation of reactive oxygen species often have been detected in plant pathogen- interactions. Plants with a combination of enzymatic and non-enzymatic antioxidant systems usually ROS levels in cells kept in moderation. The aim of the present work is to study the effect of BSCTV infection and Pseudomonas fluorescens strain CAH0 on the activities of antioxidant enzymes in sugar beet plants by using a UV / Vis 2100 spectrophotometer. The results of the study showed when severe symptoms of the infection developed on the leaves and the virus content reached its maximum, a significant increase in the activities of several antioxidant enzymes, ascorbate peroxidase and peroxidase and a significant decrease in the developed on the leaves and the virus content reached its maximum, a significant increase in the activity of antioxidant enzyme, Catalse, was found. Also in virus's tension associated with bacteria, enzyme activity was reduced in all items.

References:

منابع

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