Oxyradical accumulation and rapid deterioration of soybean seeds due to field weathering.

S Yadav, VS Bhatia, KN Guruprasad - Indian journal of biochemistry …, 2006 - europepmc.org
S Yadav, VS Bhatia, KN Guruprasad
Indian journal of biochemistry & biophysics, 2006europepmc.org
The effect of field weathering on oxyradical accumulation and subsequent changes were
studied in the seeds of soybean [Glycine max (L.) Merr.] cv. JS 71-05. Electron spin
resonance (ESR) quantification of oxyradical revealed that field weathering plays an
important role in acceleration of their accumulation. One week of weathering increased the
accumulation of oxyradicals to almost 2-fold and triggered the deteriorative cascade, by
enhancing the lipid peroxidation and membrane perturbation, leading to cell death in seed …
The effect of field weathering on oxyradical accumulation and subsequent changes were studied in the seeds of soybean [Glycine max (L.) Merr.] cv. JS 71-05. Electron spin resonance (ESR) quantification of oxyradical revealed that field weathering plays an important role in acceleration of their accumulation. One week of weathering increased the accumulation of oxyradicals to almost 2-fold and triggered the deteriorative cascade, by enhancing the lipid peroxidation and membrane perturbation, leading to cell death in seed tissues and poor germinability and vigour of soybean seeds. Thus, the weather conditions at the time of physiological maturity to harvesting of crop are very crucial and the field weathering plays a critical role for the maintenance of seed quality.
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