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Title: Oxyradical accumulation and rapid deterioration of soybean seeds due to field weathering
Authors: Yadav, Sanjeev
Bhatia, V S
Guruprasad, K N
Keywords: Electron spin resonance (ESR) spectra;Field weathering;Membrane perturbation;Lipid peroxidation;Oxyradicals;Spin trap;Soybean;Seed vigour
Issue Date: Feb-2006
Publisher: NISCAIR-CSIR, India
IPC Code: A23J 3/16
Abstract: 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.
Page(s): 41-47
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJBB Vol.43(1) [February 2006]

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