Authors : A.C. Adetogun , A.O. Adegeye and A.O. Omole
Abstract: Laboratory evaluation of Cashewnut Shell Liquid (CNSL) as a wood preservative by the weight loss method was studied. Test blocks of Triplochiton scleroxylon were treated at concentration levels of 4, 8, 12, 16, 20, 24, 28 and 32% using pressure impregnation method which resulted into substantial penetration and absorption of CNSL by the test blocks of Triplochiton scleroxylon. The treated test blocks were thereafter placed inside Kolle-flasks containing active growths of Coriolopsis polyzona, Pycnoporus sangineus, Ganoderma lucidum and Lenzites palisoti for 16 weeks. From the results obtained, the concentration levels at which the preservative was applied were highly significant at p<0.01. The CNSL was found to prevent weight loss at concentration above 8%. The recommended killing point concentration (KPC) against the micro-organisms as obtained in this study is 16%.
A.C. Adetogun , A.O. Adegeye and A.O. Omole , 2009. Evaluation of Cashewnut Shell Liquid (CNSL) as a Wood Preservative Using Weight Loss. Agricultural Journal, 4: 32-35.