Copper deficiency in young Eucalyptusmaculata plantations

Autor:	T. Bywaters, B. Dell
Rok vydání:	1989
Předmět:	Global and Planetary Change Ecology biology Myrtaceae chemistry.chemical_element Forestry biology.organism_classification medicine.disease Copper Horticulture chemistry Shoot Botany Axillary shoots medicine Corymbia maculata Copper deficiency
Zdroj:	Canadian Journal of Forest Research. 19:427-431
ISSN:	1208-6037 0045-5067
DOI:	10.1139/x89-067
Popis:	Copper deficiency has been identified as the cause of distorted growth symptoms in 2- to 3-year-old stands of Eucalyptusmaculata Hook, established on a disturbed laterite-pallid zone profile in southwestern Australia. The main symptoms of Cu deficiency were undulate leaf margins, shoot dieback, enlarged nodes giving rise to numerous short-lived axillary shoots, and reduced lignification of wood. Visible symptoms were associated with depressed foliar Cu concentrations (mean 1.1 μg•g−1 compared with mean 1.9 μg•g−1 for healthy trees). Normal shoot growth in affected trees was restored by the addition of CuSO4 to the soil or as a foliar spray.
Databáze:	OpenAIRE
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