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Journal : Bumi Lestari

SEMBUNG DELAN (Sphaerantus indicus L.) TERHADAP Pseudomonas solanacearum L. PENYEBAB PENYAKIT LAYU PADA TANAMAN TOMAT Ida Bagus Gede Darmayasa
Bumi Lestari Journal of Environment Vol 6 No 1
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

A research entitled “Inhibitid activity of plant fractination extract of Sembung Delan(Sphaeranthus indicus L.) to the causal agent of bacterial wilt on tomato” was carried out to find outthe active fraction of plant extract that responsible for bactericidal activity againt P. solanacearum L.,Results of this study showed that the crude extract of S. indicus inhibited the growth of P.solanacearum L. on PDA. It was indicated by the formation of inhibition zone around the disc loadedwith plant extract at concentration of 0 ppm, 10,000 ppm, 20,000 ppm, 30,000 ppm, 40,000 ppm, and50,000 ppm. From 17 fractions obtained from fractionation, fraction No. XV (eluted with ethylacetate 100%) contains three compunds with Rf value: 0.03; 0.23; 0.35 and fraction No. XVI (elutedwith ethyl acetate 100%) contains four compunds with Rf value: 0.03; 0.14; 0.17; 0.21, effectivityinhibited the growth of P. solanacearum L
ISOLASI DAN IDENTIFIKASI BAKTERI PENDEGRADASI LIPID (LEMAK) PADA BEBERAPA TEMPAT PEMBUANGAN LIMBAH DAN ESTUARI DAM DENPASAR I. B. G. Gede Darmayasa
Bumi Lestari Journal of Environment Vol 8 No 2 (2008)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Research on isolation and identification of lipid degrading bacteria in some sewage disposing sites and Denpasar Estuary Dam was carried out in April, 2006. This research aims to identify fat degrading bacteria on those areas.Isolation of bacteria was undertaken using thinning methods (platting methods) grown at sierra media. Colonies observed on the media after incubation on the temperature of 30-370C for 24 hours were identified based on macroscopic observations, biochemical tests, microscopic and cross tests to ensure that the bacteria identified was absolutely lipid degrading bacteria.The research result showed that number of lipid degrading bacteria isolates obtained from three sampling sites were 7 isolates. Four isolates were obtained from samples taken on BTDC Lagoons, the samples of which contains Bacillus sp. (A). Bacillus sp. (B), Klebsiella sp. and Staphylococcus sp., 2 isolates were gotten from samples found in estuary DAM with bacteria of Bacillus sp. (A) and Klebsiella sp. and 1 isolate was gotten from slaughterhouse waste disposal with Klebsiella sp. bacteria. Cross test results carried out on the seven isolates showed that two genera of bacteria only, namely: Bacillus sp. and Pseudomonas sp., which were viable after inoculation and 24 hours of incubation time.
Co-Authors A.A.S. A. Sukmaningsih Alayna Himawan Alfian Siswanto Ariyanti Ni Kadek Ayu Amelia Bekti Revi Rahayu Cokorda Putra Deny Christine Sidabutar Dwi Dirgantini, Anak Agung Faldy Efriant Pangemanan Fania Agustini Flavia Fionessa Falenda Shanzet I Gede Sugita Artana I Gusti Agung Ayu Ratnawati I Gusti Ayu Laras Pratama Putri I Ketut Gede Rudita I KETUT MUKSIN I Ketut Sundra I Komang Adi Widyastama I Luh Putu Wiwin Astari I Made Dira Swantara I Made Sara Wijana I Made Sugiarta I Nyoman Winyana, I Nyoman I Putu Agus Hendra Wibawa I W BUDIARSA SUYASA I Wayan Kasa I Wayan Sudiarsa I Wayan Sukadana I.P.G. Ardhana Ida Ayu Gde Yadnyawati Ida Bagus Made Suaskara Ilham . Inna Narayani Joko Wiryatno Junita Hardini Kadek Feby Widyantari Kadek Sudarmi Komang Kartika Indi Swari Komang Krisna Lalu Muhammad Sakti Surya Jagat Lintang Pradhanawati Made Ria Defiani MADE SUSUN PARWANAYONI Martin Joni Meitini Proborini Wahyuni Nadia Khairunnisa Nasha Hadi Rahmadanty NI KADEK WIWIK SINTA DEWI Ni Komang Ayu Kumala Dewi Ni Komang Deny Julyeda Ni LUH ARPIWI Ni Luh Putu Eka Suartini Ni Made Indah Suandewi Ni Made Susun Parwanayoni Ni Putu Adriani Astiti Ni Putu Indiani Sahaning Karna Ni Putu Sinta Puspa Dewi Ni Putu Yuliatiningsih Ni Wayan Purni wirathi Ni Wayan Sudatri Nyoman Mega Antari Pande Gde Eka Mardiana Pande Gde Sasmita Julyantoro Pande Putu Purwaningsih Prayitna Dewi, Ida Ayu Putu Cindy Arista Putu Eka Sudaryatma Ratu Ayu Ningrat Retno Kawuri Rochmalia Juniarti Putri Sang Ayu Sri Satya Laksmi Utari SANG KETUT SUDIRGA Siti Didah Alawiah Siti Nurlatifah SRI LESTARI Suasthi, I Gusti Ayu Suta Arta Yan Ramona Yulita Salma Lani