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Application of Bacillus sp Liquid Formula Using Root Infusion Technique To Control VSD (Vascular Streak Dieback) Disease In Cocoa Asrul Asrul; Kurnia Burhan; Irwan Lakani; Mutmainah Mutmainah; Umrah Umrah
Jurnal Penelitian Pendidikan IPA Vol 10 No 8 (2024): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i8.8210

Abstract

This study aims to explore the potential of liquid organic waste formula made from Bacillus sp to suppress the severity of vascular streak dieback (VSD) disease in cocoa plants.  The research was conducted on smallholder cocoa plantations in Patimbe Village, Palolo Subdistrict, Sigi Regency, Central Sulawesi.  The research was arranged in a non-factorial Randomised Group Design (RAK) with 5 treatments and 5 replications. The treatments consisted of control (P0=no formula); coconut water + Bacillus sp (P1); rice washing water + Bacillus sp (P2); tofu water + Bacillus sp (P3); and a combination of coconut water, rice washing water, and tofu water + Bacillus sp (P4). Each experimental unit consisted of 10 cocoa plants infected with VSD disease.  The liquid organic waste formula was applied using the root infusion technique in months 1 and 3 at a dose of 250 ml/root. Observations of disease symptoms, disease development, disease severity, and disease suppression efficacy were conducted monthly. The results showed that the combination of organic waste of coconut water, tofu water, and rice washing water with Bacillus sp active ingredient was more effective in suppressing VSD disease than liquid organic waste alone with an effectiveness rate of 81.7%.
Co-Authors A. St. Latifah Humairah A AA Sudharmawan, AA Aisah Jamili Alwi Alwi Alwi Millang Amalia Purnamasari Zainal Amiruddin Kasim Andi Budiyanto Adi Putra Andi Lindhemuthianingrum Annawaty Annawaty, Annawaty Ardian Adhiwijaya Asfiani, Asfiani Asri Ismail Asri Pirade Paserang Asriani Hasanuddin Asrul Asrul Asrul Asrul Azzahra, Andini Shafa Arezy Azzahra Bidayanti Ruru Budi Indarsih, Budi Dana Sulistia Dewi, Ni Made Aryani Saraswati Dhini Arwindah Dian Sri Anugrah Djoko Kisworo Eka Fitriani Eny Yuniati Eva Yustilawati Evisilvia Evisilvia Fahri Fahri Febiyanti Firdasari Firdasari Firji Della Sugeha Fitri Kurnianingsih Fitriani Fitriani Fitriani Husain Gina, Fina Alimatul Hardianti Lestari Hamid Hasriani Hasriani Humaero, Siti I Nengah Suwastika I Nyoman P. Aryantha Ika Merdeka Wati Ikha Wahyuni Ilham Bakri Abdul Rahim Thaha,Isrun, Ilham Bakri Irawan, Adit IRWAN LAKANI Jamaluddin Jamaluddin Jaya, I Nyoman Sukartha Jesica Pasaribu Juliana Juliana Kasman Sulaiman Khadijah Kirana Kirana Kurnia Burhan Laksono Trisnantoro Lamadjido, Sri Rahayu Latifah Merdekawaty Lina Mahardiana Makmur, Baitul Mardiana Upara Maulida, Nurhidayatul Meryany Ananda Miranty Sirappa Miswan Miswan Moh. Iqbal, Moh. Mufida Al Idrus Muh. Arsal N. Maddo Muhaemin Muhaemin Muhammad Alwi Muhammad Amiruddin Muhammad Saleh Muhammad Yusril Basir Murnawati Murnawati Musdalifa Musdalifa Musjaya M. Guli Mustafid Rasyiid Mutma Inna Mutmainah Mutmainah Mutmainah Mutmainah Mutmainah Mutmainah Naksabandi, Roydatul Robbi Ni Ketut Dewi Haryani, Ni Ketut Dewi Niluh Budi Artini Nisfaun Safitriana Nova Damayanti Novika Nur Asrinawaty Nur Hikma Nurfianti Nurhayati N Mangopo Nurvita Nurvita Nurzakia Nurzakia Orryani Lambui Rahayu Rahayu Rahmania Rahmania Rahmiati Rahmiati Ramadanil Pitopang Rifka Rifka Rizki Purnamasari Rizkita Rachmi Esyanti Roliana Roliana Saparudin Saparudin Septian, I Gede Nano Setia Ayu Lestari Sitti Ardianti Sitti Masyitah Sri Utami Subhan nuradzan Tamzil, Moh Hasil Tapaul Rozi Tjandra Anggraeni Tjandra Anggraini Tri Marsha Hasibuan Triana, Nina Risnanda Trismansyah Trismansyah Wahyu Harso Wahyu Hidayat Wasilahturahman Widiawati Yulia Astuti Yusran Yusran