Changes in soluble amino nitrogen protein nitrate reductase activity and abscisic acid during development of wheat triticum aestivum cultivar kalyan

Singh, O.S.; Vijayakumar, K.R.

Biologia Plantarum 23(3): 168-173


ISSN/ISBN: 0006-3134
Accession: 004912042

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Trends in the time course, changes in the moisture, soluble amino acids, proline, abscisic acid contents and nitrate reductase activity determined by in vivo method in the developing seeds of wheat were studied. Maximum dry matter augmentation in the seed took place between 10-30 days after anthesis. Percent moisture and moisture content started declining 15 days and 25 days after anthesis, respectively. Levels of soluble amino acids, proline and nitrate reductase activity were higher during initial stages of seed development but decreased with increasing magnitude of dehydration and accumulation of abscisic acid (ABA) in the maturing seeds.