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Effects of shoot inversion on stem structure in Pharbitis nilThe effects of shoot inversion on stem structure over 72 hr were investigated in Pharbitis nil by analyzing cell number, cell length, and the cross sectional areas of cells, tissues, and regions. An increase in stem diameter can be attributed to an increase in both cell number and cross sectional area of pith (primarily) and vascular tissue (secondarily). Qualitative observations of cell wall thickness in the light microscope did not reveal any significant effects of shoot inversion on this parameter. The inhibition of shoot elongation was accompanied by a significant decrease in cell length in the pith. The results are generally consistent with an ethylene effect on cell dimensions, especially in the pith.
Document ID
20040089923
Acquisition Source
Headquarters
Document Type
Reprint (Version printed in journal)
Authors
Prasad, T. K.
(The Ohio State University Columbus 43210, United States)
Sack, F. D.
Cline, M. G.
Date Acquired
August 21, 2013
Publication Date
November 1, 1988
Publication Information
Publication: American journal of botany
Volume: 75
Issue: 11
ISSN: 0002-9122
Subject Category
Life Sciences (General)
Funding Number(s)
CONTRACT_GRANT: NAGW-625
Distribution Limits
Public
Copyright
Other
Keywords
Non-NASA Center
NASA Program Space Biology
NASA Discipline Plant Biology
NASA Discipline Number 40-10

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