Effect of seed ageing on protein quality and quantity in maize

Author(s): Radha B. N.*, Channakeshava B. C., Nagaraj Hullur, Pandurange Gowda K.T., Bhanuprakash K., Ramachandrappa B. K., Munirajappa R.

Abstract

Storage of maize seeds under ambient hot and humid conditions is very problematic since these conditions deteriorate seed quality faster. Many biochemical changes are linked to the process of seed deterioration and the changes during accelerated aging were mostly the same as those in natural ageing with only difference being the rate at which they occur. Decreased vigour and viability follows increased ageing. Impairment in the quantity and quality total soluble protein content and protein profiles also showed alteration in their number and intensity of bands in aged seeds. Quantitative and qualitative changes in protein were detected during ageing. This work establishes association between seed viability and age accumulation, due to protein deterioration, in maize seeds.

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