Boron requirements for Eucalyptus globulus seedlings

Sakya, A.T., Dell, B. and Huang, L. (2002) Boron requirements for Eucalyptus globulus seedlings. Plant and Soil, 246 1: 87-95. doi:10.1023/A:1021589029492


Author Sakya, A.T.
Dell, B.
Huang, L.
Title Boron requirements for Eucalyptus globulus seedlings
Formatted title
Boron requirements for Eucalyptus globulus seedlings
Journal name Plant and Soil   Check publisher's open access policy
ISSN 0032-079X
Publication date 2002-09
Sub-type Article (original research)
DOI 10.1023/A:1021589029492
Volume 246
Issue 1
Start page 87
End page 95
Total pages 9
Place of publication Netherlands
Publisher Springer Netherlands
Language eng
Subject 0607 Plant Biology
0703 Crop and Pasture Production
0503 Soil Sciences
Formatted abstract
Although boron (B) deficiency limits the productivity of eucalypts in plantations in many parts of the world, the concentrations of foliar B used in the diagnosis of B deficiency vary greatly among studies. There has been a lack of reliable diagnosis standards for B deficiency in Eucalyptus species. Therefore, the present study investigated the relationship between internal and external B concentrations and growth of Eucalyptus globulus, the main commercial temperate eucalypt species. Seedlings were grown in a B-buffered solution culture (Amberlite IRA 743) from 0.03 to 8.35 mgrM B. Boron deficiency symptoms appeared at day 5 in the nutrient solution containing less than 0.27 mgrM B. The external critical B concentrations, estimated for the growth of shoots and roots, were 1.08 and 0.99 mgrM B, respectively. The internal critical B concentration range in the youngest fully expanded leaf (YFEL) for shoot growth was 12–16 mg B kg–1 dry weight. The internal critical B concentrations estimated in the present study have been successfully used in the diagnosis of B deficiency in E. globulus trees up to three years of age in south-east Asia.
Keyword boron-buffered solution culture
boron deficiency
critical concentration
Eucalyptus globulus
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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Created: Wed, 22 Mar 2006, 02:09:41 EST