Studies into causes of non germination of aged wheat triticum aestivum cultivar sonalika seeds

Bhattacharyya, S.; Sen Mandi, S.

Annals of Botany 56(4): 475-480


ISSN/ISBN: 0305-7364
DOI: 10.1093/oxfordjournals.aob.a087032
Accession: 006500196

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Excised embryos of aged non-germinating wheat seeds, when placed on sucrose/glucose germinated well and grew into normal plantlets, while on agar alone they remained ungerminated as in the intact seed. From the results of amylase assays in seeds of different ages it appears that failure of amylolytic activity in aged seeds could be a cause of unavailability of utilizable substrate to the embryonic axis of aged seeds. This would bring about a limitation in the capacity of germination and growth of the embryonic axis even before the embryo becomes non-viable.