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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Zuriat Microbiology Indonesia Jurnal Agroekoteknologi JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Agrosains: Jurnal Penelitian Agronomi Jurnal Pertanian Agros JURNAL AGROHITA Logista: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Hilirisasi IPTEKS (JHI) Agroteknika Agro Bali: Agricultural Journal Akta Agrosia Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Journal La Lifesci Andalasian International Journal of Agricultural and Natural Sciences Jagur: Jurnal Agroteknologi
Aprizal Zainal
Andalas University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Veterinary Other

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PENGARUH INTENSITAS CAHAYA TERHADAP PERTUMBUHAN DAN KANDUNGAN KALSIUM OKSALAT TANAMAN TALAS PUTIH (Xanthosoma sp) Zainal, Aprizal; Hasbullah, Farhan; Akhir, Nasrez; Hervani, Dini
Agros Journal of Agriculture Science Vol 24, No 2 (2022): edisi Juli
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v24i2.1934

Abstract

Talas putih (Xanthosoma sp) berpotensi sebagai sumber pangan alternatif, namun dalam pemanfaatannya terdapat kendala berupa senyawa anti gizi berupa kalsium oksalat. Cahaya mempengaruhi pertumbuhan tanaman talas putih dan kandungan kalsium oksalat pada umbinya. Penelitian ini bertujuan untuk mengetahui pengaruh intensitas cahaya terhadap pertumbuhan dan kandungan kalsium oksalat, untuk mengetahui tingkat intensitas cahaya yang optimal terhadap pertumbuhan tanaman talas putih, dan untuk mengetahui intensitas cahaya yang optimal untuk menurunkan kadar kalsium oksalat pada tanaman talas putih. Penelitian ini telah dilaksanakan di kebun percobaan Fakultas Pertanian Universitas Andalas, Laboratorium Fisiologi Tumbuhan, dan di Laboratorium Non Ruminansia Fakultas Peternakan Universitas Andalas Padang. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 4 taraf, tanpa naungan (0%), naungan 25%, naungan 50%, dan naungan 75%, dengan 3 ulangan. Data dianalisis menggunakan uji F pada taraf 5% dan menggunakan Duncant Multiple Range Test (DMRT). Hasil penelitian menunjukkan bahwa intensitas cahaya berpengaruh terhadap pertumbuhan tanaman talas putih serta kandungan karbohidrat dan kalsium oksalat. Tingkat naungan 0% (tanpa naungan) menghasilkan kandungan karbohidrat tertinggi dan bobot umbi terberat. Penggunaan naungan 75% menghasilkan pertumbuhan pelepah tertinggi dan kandungan kalsium oksalat terendah.
Efektivitas Ekstrak Tumbuhan untuk Mengeliminasi Clavibacter michiganensis subsp. michiganensis pada Benih Tomat Zainal, Aprizal; Anwar, Aswaldi; Ilyas, Satriyas; Sudarsono, ,; Giyanto, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 38 No. 1 (2010): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.645 KB) | DOI: 10.24831/jai.v38i1.1672

Abstract

Objectives of experiments were to evaluate (1) in vitro inhibitory effects of plant extracts on Clavibacter michiganensis subsp. michiganensis (Cmm), (2) inhibitory effects of plant extracts on Cmm infected tomato seeds, and (3) effectiveness of seed treatment plus plant extracts to eliminate Cmm. After evaluating 20 plant extracts, curcuma rhizome and betel vine leaf extract, cinnamon and clove oil were selected for further test. Tomato seeds were artificially inoculated with Cmm to obtain high level of infection. Part of the seeds were dipped in either suspension of selected extracts for 20 minutes and the others were matriconditioned using a mixture of burned rice hull (at 22 °C and RH 60-70%) plus either of plant extracts oils, respectively. Elimination of Cmm level from infected seeds was observed at 10 days after treatments. Results of the experiment indicated curcuma extract, betel vine extract, cinnamon oil or clove oil showed in vitro inhibitory effects on Cmm. Moreover, dipping infected seeds in either 5% of curcuma, betel vine extract, or 0.5% of clove oil or matriconditioning plus these extracts oils were effective to eliminate Cmm from infected seeds. These treatments may potentially be used and developed commercially for eliminating seedborne Cmm on infected tomato seeds.   Keywords: Bacterial cancer, seedborne-pathogen, seed-treatments
Uji Inokulasi dan Respon Ketahanan 38 Genotipe To mat terhadap Clavibacter michiganensis subsp. michiganensis Zainal, Aprizal; Anwar, Aswaldi; Ilyas, Satriyas; Sudarsono, ,; Giyanto, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 39 No. 2 (2011): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (181.368 KB) | DOI: 10.24831/jai.v39i2.4664

Abstract

Identifi kasi ketahanan genotipe adalah langkah awal dalam pengembangan kultivar tahan terhadap serangan patogen. Tujuan penelitian ini adalah (i) mendapatkan cara inokulasi dengan jumlah dan konsentrasi inokulum Cmm yang efektif untuk mengevaluasi ketahanan tomat terhadap Cmm di rumah kaca, (ii)  mendeterminasi reaksi ketahanan berbagai genotipe tomat akibat inokulasi Cmm. Percobaan ini menggunakan 38 genotipe tomat yang terdiri dari 7 genotipe tomat lokal, 15 genotipe tomat komersial, dan 16 genotipe koleksi Pusat Studi Pemuliaan Tanaman IPB Bogor (PSPT/IPB). Agen penyebab penyakit yang digunakan adalah 6 isolat Cmm hasil percobaan sebelumnya. Cara inokulasi Cmm yang efektif terhadap tomat cv. Marta (sangat rentan),  uji reaksi ketahanan berbagai genotipe tomat terhadap Cmm telah dilakukan di rumah kaca.  Kesimpulan dari penelitian ini adalah (i) inokulasi dengan menyuntikkan inokulum Cmm 5 µl konsentrasi 106 cfu/ml pada beberapa tempat di ketiak daun (daun pertama, daun tengah dan pucuk) merupakan cara yang paling efektif mengevaluasi ketahanan tomat terhadap Cmm, (ii) berbagai genotipe tomat yang diuji belum ada yang tahan teradap Cmm, genotipe tomat lokal ada yang agak rentan dan agak tahan.Kata kunci: kultivar tahan, suspensi bakteri, tomat
OPTIMIZATION OF BREAKING DORMANCY OF SUGAR PALM SEEDS (Arenga Pinnata Merr.) THROUGH PHYSICAL SCARIFICATION WITH POSITION VARIATIONS Sari, Afrima; Anwar, Aswaldi; Ramadhan, Nugraha; Hayati, P.K. Dewi; Zainal, Aprizal; Prawinata, Pagil; Rahman, Atzim Baitur
Agros Journal of Agriculture Science Vol 26, No 1 (2024): Januari
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v26i1.3815

Abstract

The germination process is the key to plant phenology, which significantly influences the success of early plant growth. Some seeds have a dormancy, so the germination process is hampered or does not occur. However, dormancy-breaking treatments in plants have been widely reported, such as breaking the dormancy of sugar palm seeds through physical scarification. This research aims to determine the best scarification position to break the dormancy of sugar palm seeds. This research was carried out at the Seed Technology Laboratory, Faculty of Agriculture, Universitas Andalas from July to October 2023. The design was completely randomized with scarification in two position variations, the operculum (A1) and dorsal (A2) points, repeated thrice. The results showed that the position of seed scarification affected the emergence time of cotyledon petioles and coleoptiles, germination capacity, and seed moisture content. Scarification at the operculum point requires a dormancy break of 16 DAP (Days After Planting) compared to 29 DAP for the dorsal. Seed viability was good in seeds sacrificed at the operculum point, with a germination percentage of 81.94%. Keywords: dorsal, operculum, cotyledon petiole
Growth Response and Yield of Several Industrial Potato (Solanum tuberosum L.) Varieties in Highland and Medium-Altitude Environments Setiyono, Budi; Suliansyah, Irfan; Zainal, Aprizal
Journal La Lifesci Vol. 6 No. 6 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i6.2901

Abstract

The potato processing industry in Indonesia continues to face high market demand, while domestic production remains insufficient (reaching only 1.22 million tons in 2023), resulting in dependence on imported raw materials. The expansion of industrial potato cultivation in medium-altitude regions offers considerable potential due to land availability; however, it is constrained by high-temperature stress, requiring varieties that are both tolerant and high yielding. This study aimed to evaluate the growth response and yield performance of three industrial potato varieties Ventury Agrihorti (local), Atlantik (introduced), and Bliss/Chitra (introduced) under two contrasting altitude conditions: medium altitude (600 masl) and high altitude (1500 masl). The experiment employed a Split Plot Design, with observations covering growth parameters, yield components, and tuber quality indicators, including tuber specific gravity (SG). The results revealed a significant interaction between altitude and variety on several parameters, such as plant height, specific leaf weight, number of tubers, and tuber weight per plant. At medium altitude (600 masl), the Atlantik variety demonstrated the best performance, achieving a productivity of 40.39 t/ha with the highest tuber weight. However, Atlantik produced a high proportion of oversize tubers (41.97%), which does not meet industry grading standards. Conversely, at high altitude (1500 masl), Bliss/Chitra showed superior yield performance with a productivity of 42.96 t/ha, followed by Ventury at 38.46 t/ha. Ventury and Bliss/Chitra also excelled in tuber size distribution, producing the majority of tubers (approximately 94–95%) within the Normal category (Ø 4.5–9 cm), which aligns with industrial processing requirements in both altitude conditions. The specific gravity (SG) values of all three varieties ranged from 1.08 to 1.09, indicating compliance with the minimum quality threshold for potato processing industries (>1.08).
PENGARUH KONSENTRASI PUPUK ORGNIK CAIR URIN KAMBING TERHADAP PERTUMBUHAN DAN HASIL BEBERAPA VARIETAS KENTANG (Solanum tuberosum L.) Rahmadhini, Sari; Dwipa, Indra; Zainal, Aprizal
Jurnal AGROHITA: Jurnal Agroteknologi Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan Vol 7, No 2 (2022): JURNAL AGROHITA
Publisher : Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jap.v7i2.6463

Abstract

Urin kambing merupakan salah satu alternatif untuk meningkatkan ketersediaan serapan hara bagi tanaman yang mengandung mikroorganisme, Tujuan dari penelitian ini adalah Mengetahui respon penggunanaan urin kambing terhadap pertumbuhan dan hasil tanaman beberapa varietas kentang (Solanum tuberosum L.).Percobaan ini telah dilaksanakan di lahan percobaan Balai Pengkajian Teknologi Pertanian (BPTP) Sumbar, Sukarami Kab. Solok. Waktu pelaksanaan percobaan mulai Juli- Oktober 2021. Bahan yang digunakan dalam percobaan ini terdiri atas urin kambing, umbi bibit kentang turunan kedua (G2) varietas Granola, Atlantik dan Intan. Rancangan  percobaan yang digunakan adalah Rancangan Acak Kelompok  (RAK) Faktorial yang terdiri dari 2 faktor.  Perlakuan pertama yang digunakan adalah urin kambing terdiri dari 3 taraf :100 ml/l air, 200 ml/l air, 300 ml/l air  dan 400 ml/l air dan faktor kedua adalah varietas yang terdiri dari tiga varietas yaitu varietas Granola varietas Atlantik dan varietas Intan. Dengan demikian terdapat 12 interaksi perlakuan dan 3 ulangan maka terdapat 36 unit satuan percobaan. Susunan interaksi data yang diperoleh di analisis secara statitik dengan uji F dan jika di uji F hitung lebih besar dari F tabel 5 % maka dilanjutkan dengan uji lanjut Duncan’s New Multiple Range Test (DNMRT 5 %).%. Dari hasil penelitian yang dilakukan dapat disimpulkan bahwa Pada pemberian konsentrasi urin kambing dapat berpengaruh terhadap pertumbuh tanaman, jumlah umbi dan bobot umbi pertanaman.
Evaluation of the Effectiveness of Maggot Compost and Chicken Manure Fertilizer on Sunflowers in Sandy Land Obel, Obel; Warnita, Warnita; Satria, Benni; Zainal, Aprizal; Armansyah, Armansyah; Mustafa, Muhammad Agil; Fiqri, Muhammad
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 7 No. 1 (2026)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v7.i1.9-15.2026

Abstract

Sunflowers have excellent prospects for future development in Indonesia. This commodity offers a variety of uses, from food and medicine to industrial use and even as a beauty product. Currently, development is focused on marginal land, particularly sandy soil. However, such land is known to have various limitations, necessitating innovations to enable its use as cultivation. One such approach is the application of fertilization technology using maggot compost and chicken manure. The purpose of this study was to evaluate the effectiveness of maggot compost and chicken manure on sunflowers in sandy soil. This study was conducted in Pasir Putih, Padang City, from June to September 2025. The design used in this study was a randomized block design with two factors and three replications. The first factor was the dose of maggot compost and the second was the dose of chicken manure. The results showed that the application of chicken manure and maggot compost at various doses resulted in increased growth and yield of sunflowers in sandy soil with each dose increase. Maggot compost at a dose of 20 g/plant and chicken manure at a dose of 30 g/plant had an interaction on plant height. Meanwhile, at a dose of 20 g/plant of chicken manure fertilizer and 15 g/plant of maggot compost, there was an interaction on the number of sunflower seeds.
Co-Authors . Giyanto Akhir, Nasrez Amalina Wahyuni Anwar, Aswaldi Aprissilia Taifani Galuh Utomo Armansyah Armansyah Arnelio, Rangga Auzar Syarif Bahagiawati Amirhusin Benni Satria Budi Setiyono Daulay, Azri Gilang Ramadhan ekawati, fitri Etti Swasti Fiqri, Muhammad Giyanto . Gustian Gustian Haliatur Rahma, Haliatur Hasbullah, Farhan Hasmiandy Hamid Hayati, PK Dewi Hervani, Dini Indra Dwipa Irfan Suliansyah Mawati, Idel Meity S Sinaga, Meity S Memen Suharman, Memen Mufti Gustrianda Musliar Kasim Mustafa, Muhammad Agil Nasution, Rizki Nia Sukri Netti Herawati Nissa, Ayu Khairun Obel, Obel Panca Jarot Santoso Prawinata, Pagil Putri Salsa Afifah Putri, Yenni Anisah Rahmadhini, Sari Rahman, Atzim Baitur Ramadhan, Nugraha Rini Suryani Rini Suryani, Rini Roza Yunita Ryan Budi Setiawan Sari Rahmadhini Sari, Afrima SATRIYAS ILYAS Satriyas Ilyas Silvia Permata S Sudarsono Sukartini Sukartini Sukartini Suryati . Sutoyo Sutoyo Sutoyo Sutoyo Teguh Budi Prasetyo Trisia Wulantika UJANG KHAIRUL Warnita Winda Purnama Sari Yusniwati Yusniwati