Soil properties associated with the tree decline 'Mundulla Yellows'

Czerniakowski, B., Crnov, R., Smith, I. W. and Luck, J.E. 2006. Mundulla Yellows (MY) is a progressive dieback syndrome of Eucalyptus and other native species that was first reported in the 1970s. Despite being observed in Australia for over 30 years, the cause of MY has not been determined. To inve...

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Bibliographic Details
Published in:Plant and soil 2006-07, Vol.285 (1-2), p.197-206
Main Authors: Czerniakowski, B, Crnov, R, Smith, I.W, Luck, J.E
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Animal, plant and microbial ecology
Asymptomatic
Bicarbonates
Biological and medical sciences
Carbonates
Clay soils
Decline
Dieback
Eucalyptus
Eucalyptus camaldulensis
Eucalyptus cladocalyx
Eucalyptus leucoxylon
Foliage
Forest soils
Fundamental and applied biological sciences. Psychology
Hypochromic anemia
Indigenous species
Iron
Leaves
Manganese
Nutrients
Plants
Soil analysis
Soil properties
Soil salinity
Soil science
Soils
Subsoil
Topsoil
Trees
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Summary:Czerniakowski, B., Crnov, R., Smith, I. W. and Luck, J.E. 2006. Mundulla Yellows (MY) is a progressive dieback syndrome of Eucalyptus and other native species that was first reported in the 1970s. Despite being observed in Australia for over 30 years, the cause of MY has not been determined. To investigate the role of soil properties in MY, foliage and soil from underneath 40 Eucalyptus camaldulensis Dehnh., E. leucoxylon F. Muell. or E. cladocalyx F. Muell. trees from ten sites in South Australia and Victoria, Australia, were analysed. Soil from sites with symptomatic trees had significantly higher pH, EC and lower available iron when compared to soil from sites with asymptomatic trees. High levels of carbonates (CO ₃ ²- /HCO ₃ - ) dominated the aqueous soil extract from sites with symptomatic trees. Foliage analysis of 20 symptomatic trees indicated lower levels of total Fe and Mn and higher levels of Na and Cl, compared to 20 asymptomatic trees. This is the first report that associates soil and nutrients with Mundulla Yellows tree decline.
ISSN:0032-079X
1573-5036
DOI:10.1007/s11104-006-9005-7