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- Title
ROLE OF PHYTOHORMONES AS SALT STRESS MITIGATING AGENTS IN CEREALS.
- Authors
Batool, Nazima; Ilyas, Noshin; Shehzad, Armghan
- Abstract
When constant exposure of plants to abiotic stress conditions such as drought, salt stress, high temperature, nutrient deficiency and changing light conditions affects plant development. Phytohormones participate in the regulation of developmental processes in plants under adverse condition. Recent research by many scientists has shown that phytohormones play major role in reducing the negative effects of abiotic stress. Phytohormones are natural products and mostly produced in one part then transported to other plant parts. Phytohormones are also known as growth regulators because they regulate plant growth and development. When plants are exposed to water, temperature and salt stress ultimately plant growth reduces. Plant growth under salt stress condition is hindered due to water shortage or exposure to high ion concentration. Plants employ a different tolerance mechanism which help them withstand salt stress condition and overcome stress effect. Among the different strategies for salt tolerance in different crops, salt tolerant genotype production is one of the best way to enhance plant tolerance for stress. But conventional breeding methods depend on existing genetic variables and is quite expensive and laborious. Recently other mechanisms have been adapted. Plant hormones enhance salt tolerance in crops for crop plants to overcome adverse effects of stress and one of such technique is the extrinsic application of phytohormones. In this article review work related to phytohormones role in salt tolerance from 1990 to 2014 will be discussed in detail along with role of the auxin, cytokinin, gibberellic acid, ABA, brassinosteroid and salicylic acid in alleviation of salt stress effects on crop plants.
- Subjects
GRAIN; PLANT hormones; EFFECT of salts on plants; ABIOTIC stress; PLANT development
- Publication
Journal of Agricultural Research (03681157), 2016, Vol 54, Issue 3, p353
- ISSN
0368-1157
- Publication type
Article