Panjab University Research Journal (Science)
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PHYSIOLOGICAL BASIS OF VARIATION IN THE DEVELOPMENT OF TRITICUM AESTIVUM GRAINS WITH REFERENCE TO THE ROLE PLAYED BY SOME CATABOLIC ENZYMES.

S Dua, Ranju Singla and *Neera Garg

Department of Botany, Panjab University, Chandigarh - 160 014
*Corresponding author :gargneera@yahoo.co.in


Abstract

This study analyses the positional differences in wheat grains in respect to dry matter accumulation (yield) and to correlate the same with some physiological and biochemical parameters. Significant variations were discernible in the two types of grains (bolder and smaller). Smaller grains possessed a higher activity of catabolic enzymes namely-amylase, invertase, protease and peroxidase as compared to the bolder grains. The exogenous application of growth promoters to smaller grains increased their dry matter precipitation, an event that was otherwise characteristic of the bolder grain.

Key words: Wheat, bolder and smaller grains, plant growth regulators, catabolic enzymes.



 
 
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