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Biochemical aspects of air pollution induced injury symptoms of some common ornamental road side plants

Authors:Kishore Pawar, Bholeshwar Dube, Rameshwar Maheshwari, Angoorbala Bafna
Int J Biol Med Res. 2010; 1(4): 291-294  |  PDF File


Biochemical aspects of air pollution induced injury symptoms of Some common ornamental road side plants K. Pawara*, B. Dubeb, R.S. Maheshwaric and A. Bafnac aDepartment of Environment, Holkar Science College, Indore -452018 bDepartment of Botany, Govt. Girls P.G. College, Indore-452018 cDepartment of Biochemistry, Holkar Science College, Indore-452018 ABSTRACT Air pollution is one of the most severe environmental problems of the world adversely affecting socio, economic and biological aspects of the threatened areas. Though plants are responsible for cleaning the atmosphere taking CO2 and by adding O2 but injury caused due to pollutants reduces this efficiency by reducing photosynthetic area as well as photosynthetic pigments of the leaves. The present study is conducted to evaluate the relationship between visible injury and hidden injury using few biochemical parameters. Severe marginal necrosis and flecking was observed on the Kachnar leaves while Cryptestegia grandiflora leaves showed only slight chlorosis growing along road side. Leaf wash pH and cell sap pH was found to be more acidic in the marginal and the central parts of the leaves. Difference in the value of the phenol in the marginal and central part of the leaves was found to be significant i.e., 30 – 40 % higher. This increased amount of phenol in marginal part of the leaves clearly appeared to be associated with the degree of injury level of the leaves.