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- Title
SA Treatment Imparts Cadmium Tolerance to Seeds and Seedlings of Bajra.
- Authors
Gupta, Prerna; Pandita, Chitra; Gupta, Promila
- Abstract
Industrial development has benefited us all but has also adversely affected the soil quality. Landfills and runaway of industrial effluents by water have led to increased concentration of many of the heavy metals in the soil. Arid climatic conditions create salinity as well as osmotic stress for the plants. Due to water deficit, available water, irrespective of the quality, is used for irrigation purpose. To meet the inevitable need to feed the growing population, there is a pressing need to find a sustainable solution to the food crisis. There is also a great loss of arable area owing to anthropogenic activities such as clearing forests for habitation purposes, besides rendering them infertile by planting crops requiring intensive inputs of fertilizers and irrigation. This has resulted in a virtual competition for growing different crops as per the market demand. With this scenario in mind, bajra crop was selected for investigating the tolerance of bajra seeds and seedlings to heavy metal stress, particularly cadmium. Simultaneously, the alleviating effects of Salicylic Acid (SA) on heavy metal stress were also studied. The findings were discussed with respect to the levels of antioxidants, which undergo changes in response to metal stress, besides reporting other biochemical and morphological effects and simultaneous control of these effects by SA treatment.
- Subjects
SALICYLIC acid; CADMIUM; OXIDATIVE stress; PEARL millet; SALINITY; SOIL quality; OSMOTIC potential of plants; SEEDLINGS
- Publication
IUP Journal of Genetics & Evolution, 2010, Vol 3, Issue 4, p26
- ISSN
0974-8601
- Publication type
Article