Response of Two Tomato Cultivars to Field-applied Proline and Salt Stress
Journal Title: Журнал ÑтреÑÑ-физиологии и биохимии - Year 2013, Vol 9, Issue 3
Abstract
An experiment was carried out using saline water (6.57 dS.m[sup]-1[/sup]) and subsurface drip irrigation (SDI) on two tomato cultivars ([i]Solanum lycopersicum[/i], cv. Rio Grande and Heinz-2274) in a silty clay soil. The former is a salinity tolerant and the latter a sensitive cultivar. Exogenous application of proline was done by foliar spray at two concentrations: 10 and 20 mg.L[sup]-1[/sup], with a control (saline water without proline), during the flowering stage. As a result of the proline applied, significant effects were observed on both cultivars of tomato, particularly with low concentration of proline (10 mg.L[sup]-1[/sup]). It led to increase of leaf area, growth length and fruit yield. Regarding mineral nutrition, Ca[sup]2+[/sup] was higher in different organs while low accumulation of Na[sup]+[/sup] occurred. However, Cl[sup]-[/sup] was very low significantly in all tissues of plants of Rio Grande at the higher concentration of proline applied.
Authors and Affiliations
B. Kahlaoui, M. Hachicha, J. Teixeira, E. Misle, F. Fidalgo
Keywords
Related Articles
- EP ID EP115119
- DOI -
- Views 86
- Downloads 0
Physiological Responses of Salvinia natans L. to Aluminium Stress and Its Interaction with Putrescine
[i]Salvinia natans[/i] L. a water fern is displayed with some of its physiological attributes in response to aluminium (Al) stress in aqua culture as well as its interaction with externally applied putresci...
Alleviation of Boron Stress through Plant Derived Smoke Extracts in Sorghum bicolor
Boron is an essential micronutrient necessary for plant growth at optimum concentration. However, at high concentrations boron affects plant growth and is toxic to cells. Aqueous extract of plant-derived smoke has been u...
Influence of N-phenyl-2-naphthylamine on the Activity of Adenylate Cyclase Signaling System and the Virulence of Clavibacter michiganensis subsp. sepedonicus
The effect of N-phenyl-2-naphthylamine was obtained from exudates of pea root on growth, virulence and signaling-specific of potato phytopathogen [i]Clavibacter michiganensis[/i] subsp. [i]sepedonicus[/i]. It is shown th...
28-Homobrassinolide Modulate Antenna Complexes and Carbon Skeleton of Brassica juncea L. under Temperature Stress
The aim of present study was to explore the ameliorative impact of 28-homoBL on morpho-physiological attributes, photosynthetic pigments and sugars of [i]Brassica juncea[/i] L. exposed to oxidative stress caused by extre...
Outcome of Breathing Exercise (Pranayam) on Spirometric Parameters in Type 2 Diabetic Individuals: a Clinical Study
Pranayama aims by carrying the involuntary functions of the respiratory mechanism within human control. The term pranayama has comprised by two words: Prana + Ayama. Prana is the vital force and energy which permeates th...