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Journal : AGRITROP

UJI EFEKTIVITAS MIKROBA ANTAGONIS TERHADAP PATOGEN PENYEBAB BUSUK BUAH KAKAO SUDARMA, I MADE; SUSANTA WIRYA, I G. N. A.
AGRITROP Vol. 28, No. 3 September 2009
Publisher : AGRITROP

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Abstract

Pod rot disease in cacao (Theobroma cacao) caused by Phytophthora palmivora has been loss until 90%. The major economic loss is from infection of the pod. Pods can be infected at any age, but most significant economic loss arises from infection during the two months prior to ripening. Pod infected at this stage can be a total loss because the fungus can easily pass from the pod husk to the seed-coat of the bean in a cacao still be convergent only at usage of synthetic pesticide. Therefore need to be searched other alternative to control the disease, namely by exploiting antagonist microbe. Research has been done in Laboratory of Microbiology and Microbial Pesticide, Department of Agroecotechnology, Faculty of Agriculture, Udayana University, Jl. PB. Sudirman Denpasar, from April until October 2007. There are three research phases done like : 1) insulation pathogen cause of disease, 2) antagonist microbe inhibitory activity test to growth of pathogen in vitro, and 3) inhibitory activity test free cell antagonist microbe to growth of pathogen in vitro. Result of research shows, found two species pathogen cause of pod rot disease of cacao namely Phytophthora sp. (A) and Phytophthora sp. (B). Based on result of examination out of four antagonist microbes tested like Trichoderma sp.; Saccharomyces sp.; Pseudomonas fluorescens and Bacillus sp., that is most effective in depressing pathogen is Trichoderma sp. with inhibitory activity equal to 83,98% to Phytophthora sp. (A) and 82,18% to Phytophthora sp. (B) at PDA media. Secondary metabolite released by fourth of antagonist microbe depress both pathogen cause of pod rot disease of cacao at PDA media.
Co-Authors Abd. Rasyid Syamsuri Agung, I Dewa Agung Putra Anak Agung Istri Kesumadewi ARIYANTA, I PUTU BAWA AStiningsih, Ana Agung Made Chiharu Hongo Damastra, Garda Bagus DEBBIE OKTAVIANI DEPARI Devi, Komang Saraswati Devi, Ni Luh Putu Hartika Sinta Devi, Putu Shinta Dewa Gede Wiryangga Selangga Dewa Gede Wiryangga Selangga Dewa Gede Wiryangga Selangga Dewa Gede Wiryangga Selangga Dewa Ngurah Suprapta Dharmadiatmika, I Made Agus Dinarkaya, Shah Mahapati DWI WIDANINGSIH Eka Wijayanti, Febri Emilia Simpllisiu Ake Wangge GARGITA, I WAYAN DIKSA Gede Mekse Korri Arisena Gede Suastika Gede Suastika GEDE WIJANA GREGORY C. LUTHER Gunadi, Gusti Alit GUSTI AYU DWITA ANDRAWINA H. Yuswanti Hartha , I Komang Gede Suweca HERRY KUSUMA YUDHA HESTIN YUSWANTI I Dewa Gede Raka Sarjana I Dewa Made Putra Wiratama I Dewa Nyoman Nyana I Dewa Nyoman Nyana I DEWA PUTU SINGARSA I G. R. M. TEMAJA I Gede Agus Adi Chandra I Gusti Agung Oka Hendrawati I GUSTI ALIT GUNADI I Gusti Alit Gunadi I GUSTI AYU ARI SANTIKADEWI I GUSTI AYU DEVI VALENIA SARI I GUSTI AYU KARISMAYATI I GUSTI NGURAH PRABU WIRA SANJAYA I GUSTI NGURAH RAKA I KADEK ARYARTHA I KETUT PURNA YASA I Ketut Siadi I KETUT SUMIARTHA I Komang Candra Giri Prayoga I Made Arimbawa I MADE DEDIK SETYADI I Made Sudana I MADE SUDANA I Made Sudana I Made Sudana I MADE SUDANA I MADE SUDARMA I MADE SUDARMA I MADE SUPARTHA UTAMA I MADE WINANTARA I NENGAH ARTHA I NYOMAN DARMA YASA I NYOMAN RAI I NYOMAN WIJAYA I PUTU BAWA ARIYANTA I Putu Sudiarta I PUTU WIRYA SUPUTRA I Wayan Diara I WAYAN RUSMAN I Wayan Susila I.G.A. Gunadi Ida Ayu Putri Darmawati Ida Bagus Gde, pranatayana JOKO MARIYONO K.A. Yuliadhi K.B. Susrusa KESUMADEWI, ANAK AGUNG ISTRI KETUT AYU YULIADHI Ketut Ayu Yuliadhi KETUT BUDI SUSRUSA Khairun Nisak Syahdu KHAMDAN KALIMI Khamdan Khalimi Klett, Katrina KOMANG ADI MAHARTHA Komang Adi Mahartha Listihani, Listihani Luciana Delavega LUTFI SURYAWAN M SUDANA Made Getas Pudak Wangi MADE MIKA MEGA ASTUTHI Made Satya Andrayuga Masahiro Shishido MEI NOVITA BR PARDEDE Mimi Sutrawati Muhammad Ikhsan Nulzaen N.N.A. Mayadewi NI KADEK NINA ARI SUCI NI KADEK SRI UTARI Ni Komang Budiyani Ni Luh Gde Sumardani NI LUH MADE INDAH MURDYANI DEWI Ni Luh Putu Citra Innosensia NI LUH WAHYU SUTARINI, NI LUH WAHYU NI MADE INDRA PUSPAWATI Ni Made Intan Maulina Ni Made Puspawati NI MADE SAVITA RASJMAN NI MADE TRIGUNASIH NI NENGAH DARMIATI Ni Nengah Putri Adnyani NI NYOMAN ARI MAYADEWI NI NYOMAN DWI RESPITA NINGSIH Ni Putu Merthaningsih Ni Putu Pandawani NI PUTU RATIH SUDIARTINI NI WAYAN SUNITI Nyoman Bintang Kartika Sari Pradana, I Kadek Wira Putra, I Gusti Putu Semara Putu Perdana Kusuma Wiguna Regina I. M BanoEt Retno Kawuri Rindang Dwiyani SANJAYA, I GUSTI NGURAH PRABU WIRA Sarjana, Dewa Gede Raka Selangga, Dewa Gede Wiryangga SHAH KANIGARA ASADDIARI SONIA ASHA HASARI SUGIARTA, DWI SUNARI, ANAK AGUNG AYU AGUNG SRI Suputra , I Putu Wirya TRI ASMIRA DAMAYANTI TRISNA AGUNG PHABIOLA TRISNA AGUNG PHABIOLA UTAMA, I WAYAN EKA KARYA Wibisana, I Made Dicky Chandra WIDHIANTHINI WIDHIANTHINI Wigunanda, I Wayan Surya Aditya Wiraatmaja, Wayan Wulandari, Ni Kadek Pingkan Y. Fitriani YUDHA, I KADEK WISMA Yuliadhi , Ketut Ayu Yuyun Fitriani