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All Journal Jurnal Fitopatologi Indonesia Cakrawala Pendidikan Jurnal Pendidikan Jasmani Indonesia BERKALA FISIKA Agrikultura Lex Jurnalica (Ilmu Hukum) Cropsaver : Journal of Plant Protection At-Taradhi: Jurnal Studi Ekonomi Jurnal Cita Hukum Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Journal of Degraded and Mining Lands Management AGRIVITA, Journal of Agricultural Science EDUCARE AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Halaman Olahraga Nusantara : Jurnal Ilmu Keolahragaan Unes Law Review Jurnal Entomologi Indonesia Jorpres (Jurnal Olahraga Prestasi) Jurnal Kepelatihan Olahraga UNES Journal of Swara Justisia Daengku: Journal of Humanities and Social Sciences Innovation Edusentris: Jurnal Ilmu Pendidikan dan Pengajaran Jurnal Ilmu Hukum, Humaniora dan Politik (JIHHP) Journal of Law, Poliitic and Humanities JOINTECOMS (Journal of Information Technology and Computer Science) Riwayat: Educational Journal of History and Humanities Jurnal Magister Ilmu Hukum : Hukum dan Kesejahteraan Binamulia Hukum Agrikultura Masyarakat Tani: Jurnal Pengabdian kepada masyarakat
Yusup Hidayat
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Physics Public Health Social Sciences Other

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Reducing Pb accumulation in roots of sweet potato under low lead-contaminated soil by Azotobacter inoculation Hindersah, Reginawanti; Subarja, Vera Oktavia; Suryatmana, Pujawati; Sudirja, Rija; Karuniawan, Agung; Hidayat, Yusup
Journal of Degraded and Mining Lands Management Vol. 10 No. 2 (2023)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2023.102.4271

Abstract

Agricultural soil is possibly threatened by lead (Pb) contamination due to the intensive use of fertilizers. The rhizobacteria were recommended for the bioremediation of soils contaminated by low concentrations of Pb. The experiment was conducted to observe the Azotobacter's ability to proliferate in Pb-contaminated broth and to decrease the Pb availability in soil, Pb uptake by sweet potato roots, and sweet potato growth. The resistance test was performed by growing five Azotobacter isolates in N-free broth with various Pb levels. A pot experiment was conducted in a factorial randomized block design to test three levels of Pb in soil and two Azotobacter isolates. The results showed that Azotobacter Azv4 and A. choroococcum were resistant to 100 mg L-1 Pb in N-free broth. In the pot experiment, Azotobacter Azv4 Inoculation caused less Pb in soil and roots of sweet potatoes grown in Pb-contaminated soil than A. choroococcum. Either Azotobacter or Pb soil did not influence vine length. However, Azv4 was more prominent in increasing branch number, root volume and length; higher Pb in soil reduced branch number but did not affect root parameters. Azotobacter Azv4 increased more shoot and root dry weight compared to A. choroococcum, but both isolates did not change the shoot-to-root ratio (S/R). The Pb contamination only reduced root dry weight and reduced the S/R. This research considered utilizing rhizobacteria Azotobacter for reducing Pb levels in soil and roots; and increasing sweet potato biomass.
Toksisitas dan Respons Biologis Spodoptera frugiperda Terhadap Formulasi Emulsifiable Concentrate Berbasis Minyak Atsiri Sirih Hutan dan α-Humulene Cristiana, Shinta Leny; Hidayat, Yusup; Sudarjat, Sudarjat
Jurnal Agrikultura Vol 37, No 2 (2026): Agustus, 2026 (In Press)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/agrikultura.v37i2.72034

Abstract

Spodoptera frugiperda J.E. Smith merupakan hama invasif utama pada tanaman jagung yang menyebabkan kerugian hasil cukup tinggi, sehingga diperlukan alternatif pengendalian yang lebih ramah lingkungan, salah satunya melalui insektisida nabati berbasis minyak atsiri. Penelitian ini bertujuan mengkarakterisasi ukuran partikel formulasi emulsifiable concentrate (EC) berbasis minyak atsiri sirih hutan (Piper aduncum), α-humulene, dan kombinasinya, menentukan toksisitas formulasi tunggal, serta mengevaluasi respons biologis S. frugiperda. Ukuran partikel dianalisis menggunakan particle size analyzer, toksisitas ditentukan melalui analisis probit, dan respons biologis diuji pada enam perlakuan dengan empat ulangan pada konsentrasi aplikasi 10 mL/L. Data respons biologis dianalisis menggunakan ANOVA dan uji Tukey 5%. Ukuran partikel rata-rata formulasi berkisar 1,184–1,352 µm. Pada 24 dan 48 jam setelah aplikasi, nilai LC₅₀ formulasi sirih hutan masing-masing sebesar 3,97 dan 3,47% (v/v), sedangkan formulasi α-humulene sebesar 5,53 dan 5,23% (v/v). Pada konsentrasi 10 mL/L, kombinasi (1:1) menghasilkan mortalitas tertinggi (25,00%) pada 48 jam setelah aplikasi, memperpanjang stadia larva, serta menurunkan persentase pembentukan pupa. Abnormalitas perkembangan berupa gangguan pembentukan pupa, malformasi pupa, incomplete eclosion, dan malformasi imago juga ditemukan pada individu yang mendapat perlakuan formulasi. Hasil ini menunjukkan bahwa formulasi EC berbasis minyak atsiri sirih hutan dan α-humulene menimbulkan respons letal dan subletal terhadap S. frugiperda.
Co-Authors Abraham Suriadikusumah Adrian, Defi Afifah Nashirotul Haq Agung Karuniawan Agus Susanto Alba, Hasanul Fitrah ali, syed kamaruzaman syed Amung Ma’mun Asep Yoyo Wardaya Binu Soesanto, Qidir Maulana Ceppy Nasahi Cristiana, Shinta Leny Danar Dono Desliza, Muhammad Farhan Endah Yulia Ervina Ervina Evi Setiawati Fahmi, Rahmad Bahaudin Fauziaty, Muthia Riefka Ferdos, Emy Fitri Widiantini Fokky Fuad Gultom, Jeremia Toga Parulian Handayani, Dwi Anisa Hedi Paramita Heriyanto, Puji Hersanti - Heru Herdiana Nugraha Hilmawan, Fajrin Intan Zania Jadiaman Parhusip, Jadiaman Jatmiko Endro Suseno Kholifah, Sisca Noor Lili Amelia Lindung Tri Puspasari Lubis, Rahmad Lutfi, Anas Machmud, Aris Martini, Titin Masferisa, Adinda Fitra Maslihati Nur Hidayati Meliyansyah, Rika Mira Ariyanti Mochamad Arief Soleh Naza, Salma Khaira Ninditya, Rizki tara Noor Istifadah Novindrastuti, Ana Nuridin, Nuridin Nurlan Kusmaedi Okta Thaharah Susanto Pandji Triadyaksa Paramita, Hedi Pujawati Suryatmana Purnama Hudaya Purnawan, Pupung Raden Arif Malik Ramadhan Rahadian, Andara Melati RAHMAN, AISYAH Rani Maharani Reginawanti Hindersah Rendi Chandra Rihadi Rija Sudirja Rika Meliansyah Rusfiantini, Rina s g, ch'ng Sadino, Sadino Safira, Sania Safri Ishmayana Salbiah Salbiah, Salbiah Sanyoto, Edy Saputra, Ade Candra Setiyawati, Della Shebubakar, Arina Novizas Sidik, Dikdik Zafar Sirait, Velix Setiawan SIska Rasiska, SIska Suartini, Suartini Subarja, Vera Oktavia Sudarjat Sudarjat Sumariyah Sumariyah Suparji Suparji Syahnur, Fitika Syariful Mubarok Tandika, Fitria Tarkus Suganda Toto Sunarto Unang Supratman Widayani, Neneng Sri Zaenul Muhlisin