African Journal of Biotechnology Vol. 6 (8), pp. 982-986, 16 April 2007   

ISSN 1684–5315 © 2007 Academic Journals        

Full Length Research Paper

Introduction and evaluation of the wood preservative potentials of the poisonous Sternbergia candidum extracts

Osman Goktas¹*, Ramazan Mammadov², Emin M. Duru³, Ertan Ozen¹, Melda A. Colak⁴ and Ferah Yilmaz⁵

¹Department of Wood Science and Furniture Design, Faculty of Technology, Mugla University, Mugla, 48000, TR Turkey.

²Department of Biology, Faculty of Arts and Sciences, Pamukkale University, Denizli, Turkey.

³Department of Chemistry, Faculty of Arts and Sciences, Mugla University, Mugla TR 48000, Turkey.

⁴Department of Horticulture, Faculty of Agricultural Adnan Menderes University, Aydın, 09100, TR Turkey.

⁵Department of Biology, Faculty of Arts and Sciences, Mugla University, Mugla TR 48000, Turkey

*Corresponding author. E-mail: osmangoktas65@yahoo.com or ogoktas@mu.edu.tr. Tel: +9002522111709. Fax: +9002522238511.

Accepted 1 March, 2007

The ability of Sternbergia candida (SB Candidum Mathew.) extract to suppress attack by Postia placenta (Fries) M. Larsen et Lombard (Mad 698), (a brown-rot) and Trametes versicolor (L.ex Fr.) Quel. (a white-rot) was investigated. The extract was dissolved from Sterinbergia Candidum’s bulb and leaves in 96% ethyl alcohol. Poisonous extract impregnated into wood blocks of Turkish oriental beech (Fagus orientalis L.) and Scots pine (Pinus sylvestris L.). Extract dosages were 0.25, 0.75, 1.50 and 3.00%. Treated blocks were exposed to P. placenta and T. versicolor attack for 12 weeks by the soil block method. Only extract dosages of 0.25 and 0.75% were found efficacious in suppressing attack. A tukey studentized test found both dosages significant at 5% level. In conclusion, the poisonous extracts could be used as effective wood preservative when concentration was adjusted.

Key words: Poisonous plant extracts, Sterinbergia candidum, decay fungi; Postia placenta; Trametes versicolor.