Effect of 17-DMC on Phytohormone Level and Growth of Rapeseed Plants (Brassica napus)

Effect of 17-DMC on Phytohormone Level and Growth of Rapeseed Plants (Brassica napus) The effect of 17-dimethylmorpholinium chloride (17-DMC), a quaternary ammonium salt, on stem growth and productivity of spring rape (Brassica napus L., cv. Star), and on phytohormone content in stem tissues was studied. We found that the effects of 17-DMC on stem growth (inhibition of linear growth, development of anatomical structure and mechanical properties) were manifested as the changes in stem hormonal balance, particularly, in a decrease in the contents of GA, zeatin, and IAA and an increase in the ABA content. Seed weight increased due to the retarding effect of 17-DMC on stem growth and the promotion of silique and seed development. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Effect of 17-DMC on Phytohormone Level and Growth of Rapeseed Plants (Brassica napus)

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Publisher
Springer Journals
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1023/A:1025644308841
Publisher site
See Article on Publisher Site

Abstract

The effect of 17-dimethylmorpholinium chloride (17-DMC), a quaternary ammonium salt, on stem growth and productivity of spring rape (Brassica napus L., cv. Star), and on phytohormone content in stem tissues was studied. We found that the effects of 17-DMC on stem growth (inhibition of linear growth, development of anatomical structure and mechanical properties) were manifested as the changes in stem hormonal balance, particularly, in a decrease in the contents of GA, zeatin, and IAA and an increase in the ABA content. Seed weight increased due to the retarding effect of 17-DMC on stem growth and the promotion of silique and seed development.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 11, 2004

References

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