biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 23:168, 1981 | DOI: 10.1007/BF02894879

Changes in soluble amino nitrogen, protein, nitrate reductase activity and abscisic acid during development of wheat grain

O. S. Singh1, K. R. Vijayakumar1
1 Department of Botany, Punjab Agricultural University, Ludhiana, India

Trends in the time course, changes in the moisture, soluble amino acids, proline, abscisic acid contents and nitrate reductase activity determined byin vivo method in the developing seeds of wheat were studied. Maximum dry matter augmentation in the seed took place in the period between 10-30 days after anthesis. Per cent 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.

Received: March 14, 1980; Accepted: September 1, 1980; Published: May 1, 1981  Show citation

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Singh, O.S., & Vijayakumar, K.R. (1981). Changes in soluble amino nitrogen, protein, nitrate reductase activity and abscisic acid during development of wheat grain. Biologia plantarum, 23(3), 168. doi: 10.1007/BF02894879
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