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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Agro Teknologi Tropika Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Jurnal Online Mahasiswa (JOM) Bidang Pertanian Indonesian Journal of Agricultural Research JURNAL PHOTON Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Buletin Ilmiah Nagari Membangun Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Akta Agrosia Unri Conference Series: Community Engagement Sagu PERTANIAN TROPIK Luxury: Landscape of Business Administration IJAE Dinamika Pertanian
Fifi Puspita
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Nursing Physics Public Health Social Sciences Veterinary Other

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Journal : pertanian tropik

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Characterization and Test of Endophytic Bacterial Isolates to Control Leaf Blight on Acacia Seeds (Acacia crassicarpa) BR SIAGIAN, ROMAYANJU; Puspita, Fifi; Ali, Muhammad; Alhusaeri, Bayo
Jurnal Online Pertanian Tropik Vol. 9 No. 1 (2022): JURNAL ONLINE PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (709.695 KB) | DOI: 10.32734/jopt.v9i1.8656

Abstract

ABSTRACT Acacia is a type of plant that recommended for development of industrial forest plantations (HTI) especially pulp and paper. According to Central Statistics Agency (2020), area of ​​​​acacia HTI in Riau Province 2019 was 2,335,450 ha with a log output of 31,509,228m3 and total pulp export of 2,952.4 million US dollars. The need for paper pulp has increased every year. Problems in acacia nursery area is presence of disease caused by Xanthomonas sp. Bacterial leaf blight causes significant losses in procurement of acacia seedlings, so we need an alternative control with environmentally friendly and sustainable by utilizing potential of biological agents in controlling leaf blight. This aimed to study potential of endophytic bacterial isolates against bacterial pathogen Xanthomonas sp. by adopting a Completely Randomized Design (CRD). The results showed that there were 9 isolates of endophytic bacteria that had inhibitory power against Xanthomonas sp., bacterial isolates in hypersensitivity test did not show symptoms of necrosis in tobacco leaves, results of physiological and biochemical tests on levan test and VP test showed differences in reaction results on tested endophytic bacteria isolates and it was found isolate of endophytic bacteria B8 was effective as an antagonist agent in controlling disease. Keywords: acacia; characterization; endophytic bacteria; in vitro; in vivo; Xanthomonas sp.
Test Some Concentration of Bacillus subtilis to Increase the Resistance of Tomato Plants to Xanthomonas campestris pv. vesicatoria: Uji Beberapa Konsentrasi Bacillus subtilis untuk Meningkatkan Ketahanan Tanaman Tomat terhadap Xanthomonas campestris pv. vesicatoria Aulia, Nadrah Rahmatika; Fifi Puspita
Jurnal Online Pertanian Tropik Vol. 10 No. 1 (2023): JURNAL ONLINE PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jpt.v10i1.9727

Abstract

The aim of this study is to know the effect of several concentrations of Bacillus subtilis and to obtain a concentration capable of inducing tomatoes from attack by Xanthomonas campestris pv. vesicatoria. This study was conducted experimentally using a completely randomized design (RAL) with 5 treatments and 4 replications. The treatment used was the concentration of Bacillus subtilis which consisted of B0 = no use of Bacillus subtilis, B1 = concentration of Bacillus subtilis 106 cells.ml-1, B2 = concentration of Bacillus subtilis 107 cells.ml-1, B3 = concentration of Bacillus subtilis 108 cells.ml-1, B4 = concentration of Bacillus subtilis 109 cells.ml-1. The parameters observed were the number of colonies of Bacillus subtilis in the growth medium, the concentration of salicylic acid content, disease intensity, plant height, stem diameter, and weight of fruit. The results showed that the concentration of Bacillus subtilis in each treatment was able to induce tomato plant resistance to Xanthomonas campestris pv. vesicatoria and gave significantly different results on the number of colonies on soil medium, the concentration of salicylic acid content, disease intensity, plant height, steam diameter, and weight of fruit.
Co-Authors ', Adiwirman ', Armaini ', Hariadi ', Sampoerno Achmad Tavip Junaedi Adiwirman ' Adiwirman Adiwirman Adiwirman Adiwirman, Adiwirman Afriani, Imas Agil Juansyah Agus Sutikno Agus Winarsih Ahmad Anhar Syahputra Alhusaeri, Bayo AR, Arman Effendi Ariani Gusti Rahayu Arif Fashli Hakiki Armaini ' Armaini Armaini Armaini, Armaini Arman Effendi Aulia, Nadrah Rahmatika Azman Azman Besri Nasrul BR SIAGIAN, ROMAYANJU Cahya, Fajar Tri Dalil, M Darwin Sihombing, Darwin Dawolo, Baziduhu Desita Salbiah Dini Oktrisna Dodi Sofyan Arief, Dodi Sofyan Edison Anom Elza Zuhry Erlida Ariani Faidah, Fikriatul Fauzi, Amat Fetmi Silvina Gulat ME Manurung Gunawan Tabrani Gusmawartati Gusmawartati Hafiz Fauzana Hakiki, Arif Fashli Hanny Bie Rizki, Hanny Bie Hapsoh Hardian Indra Guna Harry Patuan Panjaitan Herman, - Idwar, Idwar Ikhsan Dwi Andianto Imran Maruli Tua Sihombing Irfandri Irfandri Irfandri, Irfandri Isna Rahma Dini Isnaini Isnaini Jahrizal Janter Manurung Jurnawaty sjofjan Kasrul Akbar Dahlan, Kasrul Akbar Kausar Kausar Khairir Rusyadi Kortima, Eka Krisman ' Laksono Trisnantoro Lina Rita Silaban M. Amrul Khoiri Marnolia, Atika Marpaung, Win Nicho Merini, dan Jenny Molehet M. Siburian Muhammad Ali MUHAMMAD ALI Muhammad Hamzah, Muhammad Murniati ' Nadia Anjani, Nadia Nelvia Nelvia Nelvia, - Nicholas Renaldo Nofripa Herlina Nur Halimah Nurul Huda Sholikhatul Khusna Nurwijayanti Nyoto Nyoto, Nyoto Nyoto, Rebecca La Volla Pajri Ananta Yudha Pebrianti, Riska Pratama, Ridho Rachmad Saputra Ramadhoni, Rizky Rani Yuniati Refli Junaidi Richart Hutabarat Rinda Tinendung Tinendung Rini Sri Putri Riris Yuningsih, Riris Riska Pebrianti Rizky Ramadhoni Rugun Hartati Rumapea, Denny Swardi Rusli Rustam Rusli Rustam Sampurno Sampurno Saputra, Rachmad Sari, Dermala Sianturi, Vera Triwan Siti Aminah Sri Yoseva Sudarno Sudarno Sudnoris Sulvana Elisa Sianipar Sukemi Indra Saputra Susanti, Dewi Marlina Susilawati Susilawati Susilawati, Susilawati Susy Edwina Syahputra, Anugrah Kharisma Syamsi, Azrida Tiara Athahirah Titania T. Nugroho3 Titania Tjandrawati Nugroho Veronica, Kristy Very Fernando H Wahyudi, Cecep Ijang Wawan ' Yetti Elfina Yetti Elfina S Yetti Elfina S Yuda, Pajri Ananta Yuli Haryani Yulia, Urfa Yundari, Yundari Yuyun Penzi Zulham Zulham