Studies in wild oat seed dormancy. II. Activities of pentose phosphate pathway dehydrogenases

Adkins, S. W. and Ross, J. D. (1981) Studies in wild oat seed dormancy. II. Activities of pentose phosphate pathway dehydrogenases. Plant Physiology, 68 1: 15-17. doi:10.1104/pp.68.1.15


Author Adkins, S. W.
Ross, J. D.
Title Studies in wild oat seed dormancy. II. Activities of pentose phosphate pathway dehydrogenases
Journal name Plant Physiology   Check publisher's open access policy
ISSN 0032-0889
1532-2548
Publication date 1981-01-01
Year available 1981
Sub-type Article (original research)
DOI 10.1104/pp.68.1.15
Volume 68
Issue 1
Start page 15
End page 17
Total pages 3
Place of publication Rockville, MD United States
Publisher American Society of Plant Biologists
Language eng
Formatted abstract
A selected strain of wild oat (A vena fatua L.) seed has been shown to lose dormancy rapidly during moist soil incubation at 25 C, whereas seed kept similarly at 5 C maintained a high level of dormancy.  The activities of cytosolic dehydrogenase enzymes of the pentose phosphate pathway were assayed throughout a period of moist soil incubation at these two temperatures. A distinction was made between extractable dehydrogenases from the embryo and the endosperm regions of the caryopsis.  Dehydrogenase activities monitored in seeds incubated at 25 C gradually increased over the course of the investigation. The largest increases in activity occurred during incubation at 5 C, the situation in which dormancy is maintained. No obvious connection could be found between dormancy breakage and increased activity of the pentose phosphate pathway dehydrogenases.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Queensland Alliance for Agriculture and Food Innovation
 
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Created: Mon, 15 Apr 2013, 07:34:54 EST by Professor Steve Adkins on behalf of Qld Alliance for Agriculture and Food Innovation