Influence of sodium chloride concentration in Gewang (Corypha utan LAMK.) against subterranean termites attacks

Gewang (Corypha utan LAMK) is a palm-like forest plant. Its distribution covers India, Indochina, Malaysia, Indonesia, Philippines, Papua New Guinea to Australia. In the distribution areas, Gewang is widely used differently by local people, for example, in Timor-Indonesia, the young petioles are mad...

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Bibliographic Details
Main Authors: Prabawa, Sigit Baktya, Damayanti, Ratih
Format: Conference Proceeding
Language:English
Subjects:
Dehydration
Houses
Lignocellulose
Preservatives
Room temperature
Sodium chloride
Termites
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Summary:Gewang (Corypha utan LAMK) is a palm-like forest plant. Its distribution covers India, Indochina, Malaysia, Indonesia, Philippines, Papua New Guinea to Australia. In the distribution areas, Gewang is widely used differently by local people, for example, in Timor-Indonesia, the young petioles are made into Bebak as a material for walls and ceilings of houses. However, Gewang contains lignocellulose material which is susceptible to attack mainly by subterranean termites. For the benefit of people living in remote areas who use Bebak for their houses, it is necessary to find cheap and easy preservatives. There is information that table salt (NaCl) can be used as a natural preservative for various types of food, partly because of its hygroscopic nature which causes microorganism cells to die due to dehydration. This study aimed to determine the effect of NaCl concentration on Bebak against subterranean termites. Preservation was carried out by immersing Bebak in NaCl solution with a concentration (gram/liter) of 0 (control), 4, 16, 25, and 36 respectively, for 24 hours at room temperature. The testing was conducted according to the Indonesian National Standard SNI 01-7207-2006. The results showed that the application of NaCl significantly reduced the attack and increased the mortality of termites compared to the control.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0190693