Effects of nitrogen nutrition on xylem sap composition of Casuarinaceae

Walsh K.B., Ng B.H. and Chandler G.E. (1984) Effects of nitrogen nutrition on xylem sap composition of Casuarinaceae. Plant and Soil, 81 2: 291-293. doi:10.1007/BF02197162


Author Walsh K.B.
Ng B.H.
Chandler G.E.
Title Effects of nitrogen nutrition on xylem sap composition of Casuarinaceae
Journal name Plant and Soil   Check publisher's open access policy
ISSN 0032-079X
Publication date 1984-01-01
Sub-type Article (original research)
DOI 10.1007/BF02197162
Volume 81
Issue 2
Start page 291
End page 293
Total pages 3
Publisher Martinus Nijhoff/Dr. W. Junk Publishers
Subject 1111 Nutrition and Dietetics
1110 Nursing
1102 Cardiovascular Medicine and Haematology
Abstract The major nitrogenous compound in the xylem sap of Casuarina equisetifolia is citrulline, irrespective of nitrogen nutrition (dinitrogen fixation, nitrate or ammonium). The detection of citrulline in non-nodulated Casuarina suggests that its formation is not confined to root nodules. This precludes the possibility of using the relative citrulline content of xylem sap for quantification of N2 fixation in Casuarina. The possibility exists, however, that the relative abundance of citrulline to other nitrogenous compounds (e.g. amides or nitrate) in the xylem sap could be used as an indicator of N2 fixation and should be evaluated further.
Keyword Casuarinaceae
Citrulline
Frankia
Nitrogen
Nutrition
Xylem sap
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 04 Oct 2016, 12:49:37 EST by System User