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Titik Kartika

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Author-ID : 3193247

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Daya Patogenitas Cendawan Cunninghamella sp. terhadap Rayap Tanah Coptotermes sp. Pathogenic Ability of Cunninghamella sp. against Subterranean Termites Coptotermes sp Titik Kartika; Suciatmih Suciatmih; Didi Tarmadi; Ikhsan Guswenrivo; Arief Heru Prianto; Sulaeman Yusuf
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 4, No 1 (2006): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Termites are the major agent in wood biodeterioration, particularly in building materials, thus its existence in wood become trouble. Chemical insecticides are widely used to prevent the lost from termites attack. The use of chemical insecticides, however, do not recomended as it may cause risk to human health, environment, and may also harm to the non-target organisms and lead to the development of pest resistance. For that reason, these situations encourage many scientists to develop and evaluate various prospective biological control of termites. One of them is utilization of entomopathogenic fungi to suppress termite population.The object of this research is learning pathogenic ability of Cunninghamella sp. (habitually found around termites nests) in termite’s mortality. The methods of this research are fungal isolation and then pathogenic test to termites (termite’s infection). The ways of termite infection are contact and digestion. The best method is based on termite’s mortality rate after infection.The results show that Cunninghamella sp. causes termites mortality significantly than control. The higher mortality rate of termites is shown by contact infection method than digestion infection method. It might indicate that contact infection method more effective to suppress termite’s population

Pemanfaatan Ekstrak Enzim Jamur Humicola sp. Sebagai Biotermitisida Utilization of Humicola sp. Enzyme Extract as Biotermiticide Ikhsan Guswenrivo; Titik Kartika; Didi Tarmadi; Sulaeman Yusuf
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 6, No 1 (2008): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Fungal spore can be used for biotermiticide, since it has high pathogen properties and environmentally safe. However, the utilization of enzyme extract of fungi can be developed as an alternative way to minimize the impact caused by the spore when they are used as biotermiticide. This research was done to observe the ability of enzyme extract from Humicola sp. The fungus was inoculated in sorghum substrate and grown in it by adding either colloidal chitin or without colloidal chitin to the media as variation of the medium composition. Extraction was done after 3, 5, and 7 days of incubation time. Extract was done by using cold sterilized water (40C). Then the extract kept it at low temperature (40C). Bioassay of extract enzyme was done by spraying and baiting method. Result of the bioassay showed, Humicola sp enzyme extract was grown from medium adding with colloidal chitin and incubation for 7 days give highest mortality of termite increase to 100% after 14th day observation.

Pengaruh Ekstrak Bintaro (Carbera odollam Gaertn) dan Kecubung (Brugmansia candida Pers) terhadap Rayap Tanah Coptotermes sp Influence of Bintaro (Carbera odollam Gaertn) and Kecubung (Brugmansia candida Pers) Extract against Subterranean Termite Coptotermes sp Didi Tarmadi; Arief H Prianto; Ikhsan Guswenrivo; Titik Kartika; Sulaeman Yusuf
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 5, No 1 (2007): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Subterranean termite especially Coptotermes sp has been spread widely and has caused a tremendous economical loss. Various chemical compounds have been used to overcome termite attack. However, utilization of chemical could endanger the environment, thus it is important to find another compound which can be used as an environmental friendly wood preservatives. One of the alternatives is to extract natural compound which has an anti-insect peculiarity. Fruits, leaves and barks of Bintaro and Kecubung, especially their leaves and flowers have been widely known as traditional medicine. This paper explains the effects of the extracts of Bintaro (leaves and bark) and Kecubung (leaves) on subterranean termite of Coptotermes sp.Leaves and bark powder of Bintaro and leaves powder of Kecubung were extracted with n-hexane, ethyl acetate, acetone, and methanol. Paper disc which has been dropped by the extract solution was used as bait to subterranean termite of Coptotermes sp. The observation of termite mortality was calculated for every two days during 10 days of observation. The result shows that Bintaro leaves extracted with methanol caused 100% termite mortality on last observation. Whereas on Bintaro bark extracted with n-hexane and acetone caused 100% termite mortality on eighth day of the treatment. Kecubung leaves extracted with n-hexane and ethyl acetate caused 100% termite mortality on last observation

Pengembangan Formula Bahan Infeksi Cendawan sebagai Alternatif Biokontrol Rayap Tanah Coptotermes sp. Development of Infection Material Formula for Fungi as Bio-Control Alternative to Subterranean Termites Coptotermes sp Titik Kartika; Sulaeman Yusuf; Didi Tarmadi; Arief Heru Prasetyo; Ikhsan Guswenrivo
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 5, No 2 (2007): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Utilization of fungal entomopathogen as biological control agent has been developed in several country, but not in Indonesia. Therefore, the use of biological control agent to control termite need to be done in order that diminish chemical insecticide hazard. In this research, the ability of fungal entomopathogen (Hyphomycetes) identified as Metarhizium anisopliae, Beauveria sp. and Humicola sp. to infect Subterranean termite will be evaluated. The fungi were isolated from Indonesia. The research methods are (i) to sporulate fungi in rice culture media; (ii) to formulate fungal entomopathogen being infection materials; (iii) bioassay of fungal entomopathogen against Subterranean termite by contact method. The result of bioassay show that the three fungi (Humicola, M. anisopliae and Beauveria) are able to kill termite in 14 days of observation day. Primarily, M. anisopliae has generate termite’s mortality almost similar to Humicola sp. i.e higher than 60 %, in other side Beauveria just affect termite’s mortality lower than 60 %.

Co-Authors Arief H Prianto Arief Heru Prasetyo Arief Heru Prianto Didi Tarmadi Ikhsan Guswenrivo Suciatmih Suciatmih Suciatmih Suciatmih Sulaeman Yusuf

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