Some studies on natural resistance of different trees and prevention of infestation by termites through use of industrial effluents at Karor, Layyah, Pakistan

IRG/WP 08-10637

S Ahmed, M Arshad Ejaz, M Asam Riaz, A Hussain

The experiments were conducted to determine natural resistance/susceptibility in woods of Jaman (Syzygium cumini), Kikar (Acacia nilotica Willd.), Shisham (Dalbergia sissoo Roxb.), Poplar (Populus deltoids), Semal (Bombax ceiba) and Sufaida (Euclyptus camaldulensis) against subterranean termites’ infestation at Karor, Layyah, Pakistan. Wood stakes of these trees (30x12x3cm) were buried in soil and percentage infestation was recorded after 40, 80, 120, 160 and 200 days. Wood stakes were put inn sun drying kiln made of glass from three sides. Woods of kikar and Jaman remained free from termites’ infestation until 80 days whereas a range of 6.26 to 18.14% infestation was recorded on other woods during this period. Application of industrial effluents (textile, tannery and fertilizer) showed significant reduction in infestation percentage and weight loss in woods of Shisham, Semal, poplar and Sufaida. Woods treated with textile waste had comparatively and significantly less infestation and weight loss as compared to control wood in all cases. The possibility of application of these wastes on woods of different trees has been discussed in reference to the site of studies.

Keywords: woods, trees, natural resistance, industrial wastes, protection

Conference: 08-05-25/29

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