Effect of Short Term NaCl Stress on Cultivars of S. lycopersicum: A Comparative Biochemical Approach
Journal Title: Журнал ÑтреÑÑ-физиологии и биохимии - Year 2014, Vol 10, Issue 1
Abstract
Tomato is a crop plant with high fruit nutritive value and other useful properties. The cultivation of this species is dependent on many environmental factors, e.g. temperature, salinity, nutrients etc, affecting the yield and reproductive potential of the plant. Salinity in soil or water is of increasing importance to agriculture because it causes stress to crop plants. Plants exposed to an excess amount of salts such as NaCl undergo osmotic stress, water deficit and ionic imbalances and can increase production of reactive oxygen species(ROS). Higher plants possess very efficient enzymatic and non-enzymatic antioxidative defense mechanisms that allow the scavenging of ROS and protection of cellular components from oxidative damage. Studies were conducted to investigate the effect of short term salinity stress on some physiological alterations in three tomato cultivars Pusa Ruby(PR), Punjab Keshari (PK) and Ailsa Craig(AC). Some biochemical parameters (anthocyanin and carotenoeid content, polyamines, proline, cysteine, peroxidase and malondialdehyde) were set and applied at two month old stage of tomato plants. Three tomato cultivars were grown in 0.5xMS for 2 months and at this stage, they were treated with 0 and 200mM NaCl for a short period of six hours in hydroponic conditions. The genotypes exhibited different responses in terms of different osmoprotectant, antioxidant, and pigment level. The relationships among the salinity and accumulation of these compounds in leaf were then determined. It was concluded that, tomato cultivars under study responded differently showing their sensitivity or tolerance to salinity stress. Among three cultivars PK appeared to be more tolerant genotype than the other two cultivars PR and AC. PK could rapidly evolve physiological and antioxidant mechanisms to adapt to salt and manage the oxidative stress. The research was conducted in a completely randomized design with three replications.
Authors and Affiliations
Chaitali Roy, D. Sengupta
Keywords
Related Articles
- EP ID EP120944
- DOI -
- Views 106
- Downloads 0
Изменение жирнокислотного состава в растениях при гипотермической адаптации
Исследование межвидовой изменчивости состава жирных кислот в тканях листьев трех видов лекарственных растений, произрастающих в условиях Предбайкалья, показало, что этот состав имеет видоспецифичный характер. В составе н...
PERSPECTIVES OF THE DEVELOPMENT OF MUCOSAL VACCINES AGAINST DANGEROUS INFECTIONS ON THE BASE OF TRANSGENIC PLANTS
СОХРАННОСТЬ ЛЕЙКОЦИТОВ В УСЛОВИЯХ КРИОАНАБИОЗА<br /> (-40°С)
Для реализации потребности в лейкоцитах перед клиницистами остро встает проблема сохранения данных клеток длительное время в функционально полноценном состоянии, что возможно в условиях глубокого криоанабиоза (-196[sup]0...
Soil Contamination With Heavy Metals and Its Effect on Growth, Yield and Physiological Responses of Vegetable Crop Plants (Turnip and Lettuce)
The present study was conducted to investigate the impact of irrigation with industrial wastewater on soil and plant. For these purpose turnip and lettuce plants were cultivated in soil irrigated with wastewa...
LIGHT DEPENDENT CHANGES IN PEROXIDASE ACTIVITY AND PEROXIDE HYDROGEN GENERATION IN THE WHEAT SEEDLINGS
Participation of light in modification of peroxidase enzymatic system activity and peroxide hydrogen generation in the wheat seedlings shoot and root endocellular compartment is revealed. It is shown that in elevated par...