Comparative Effects of Light and Water Stresses on Antioxidant Enzymes Activity of Three Ecotypes of Jatropha curcas Seedlings
Journal Title: Annual Research & Review in Biology - Year 2016, Vol 10, Issue 5
Abstract
Jatropha curcas is a Euphorbiaceae whose seed lipids attract biofuel industry attention. However, the effects of environmental stressors inducing resistance mechanisms and affecting the seed yield of the plant are very little investigated. In this study, we evaluated the effect of water stress and sunlight luminosity on the antioxidant enzymes activities of Jatropha curcas. Seeds of three Jatropha curcas ecotypes coming from Burkina Faso were sown in reduced sunlight luminosity condition in the greenhouse. A 20 day water stress and/or 20 day direct sunlight stress was applied to 33 weeks old plants. Control plants grew in the greenhouse under a reduced sunlight quantity and received one liter water daily. The activities of leaf antioxidant enzymes, catalase (CAT), ascorbate peroxidase (APX) and glutathione reductase (GR) were measured using a spectrophotometer. The results showed that plants of Sahelian zone containing the greatest proline content had the highest enzymatic activity thereby indicating a better adaptation of the sahelian ecotype of J. curcas to water deficit and direct sunlight luminosity. The effect of water stress on enzymatic activities was more pronounced than the effect of direct sunlight luminosity. Our results suggest that the mechanisms modulating the enzymatic activity of young plants of J. curcas controlled by water deficit, such as inhibition of photosynthesis and photorespiration reinforcing, were earlier set up.
Authors and Affiliations
Razacswendé Fanta Ouédraogo, Charlemagne Gnoula, Simplice Damintoti Karou, Gérard Zombré, Jacques Simporé
Keywords
Related Articles
- EP ID EP351051
- DOI 10.9734/ARRB/2016/26741
- Views 76
- Downloads 0
Outcomes in Single-port Versus Multiport Robotic Cholecystectomy: A Systematic Review of the Literature
Background: Single incision laparoscopic surgery (SILS) had initially gained significant traction due to safety and feasibility that were comparable, in addition to the cosmetic advantages over traditional laparoscopy. H...
Earthworms Impact in Sustainable Management of Intensively Managed Agro Ecosystems: Indian Scenario
Direct effects of agrochemicals on soil and belowground diversity are through indiscriminate application in the agricultural field, but through run off the chemical compounds contaminate the soil. The chemical fertilizer...
Root Extract of Purwoceng (Pimpinella pruatjan) Enhances Aggressiveness, but Not Libido, in Male Mice
Aims: Purwoceng herbs, Pimpinella pruatjan Molk., are widely marketed in Indonesia; it is believed that the plant was used by ancient Javanese kings as an aphrodisiac. Unfortunately, the claim that purwoceng is an effect...
Oil-bioactive Films as an Antifungal Application to Save Post-harvest Food Crops
Background: Agricultural wastes were rich in many components, which may considered as a source of natural and active materials. This study was targeted to apply a non-traditional method to safe grains against toxigenic f...
Effect of Endomycorrhizal Inoculation on the Young Cork Oak Plants (Quercus suber) Growth
Inoculation with endomycorrhizae had a significant effect on the cork oak (Quercus suber) seedlings growth. The average length (55.37 cm) and weight (12.6 g) of the aerial part, the length (41 cm) and weight (26.41 g) of...