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Adiwirman Adiwirman, Adiwirman
Departemen Agronomi dan Hortikultura, Fakultas Pertanian IPB Jl. Meranti, Darmaga, Bogor
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Nursing Physics Public Health Other

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PENGARUH PUPUK GUANO DAN N TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG MANIS (Zea mays saccharata Strurt) Harahap, Doni Azhar; Adiwirman, Adiwirman; Yulia, Arnis En
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Abstract

The objective of this research is to determine the effect guano and N fertilizer and to get the best interaction for the growth and production of sweet corn crops(Zea mays saccharata Sturt). The research was conducted at Experimental Station of the Faculty of Agriculture, University of Riau. The study was conducted for four months from November 2017 until January 2018, implemented withCompletely Randomized Block Design (RAK), Factorial consisting of 2 factors and 3 replications. The first factor of guano fertilizer (G) consists of 3 levels: G0 = guano fertilizer with dose 1.500 kg.ha-1 (600 g/4 m2), G1 = guano fertilizer with dose 2.000 kg.ha-1 (800 g/4 m2), G2 = guano fertilizer with dose 2.500 kg.ha-1(1000 g/4 m2). The second factor of urea (N) consists of 3 levels: N0 = urea with dose 0 kg.ha-1 (0 g/4 m2), N1 = urea with dose 50 kg.ha-1 (20 g/4 m2),N2 = urea with dose 100 kg.ha-1 (40 g/4 m2 ). The observed parameters were plant height, number of leaves, stem diameter, harvesting age, weight of cob/plot weight without cob/plot, length of ear, ear diameter, number of rows of seeds/ear, sugar content in seeds. The results showed guano fertilizer with dose 2.500 kg. ha-1 and urea with dose 100 kg. ha-1 resulted in plant height, number of leaves, stem diameter, harvesting age, the weight of cob/plot weight without cob/plot, length of ear, ear diameter, number of rows of seeds/ear, sugar content in the seeds were higher compared to other treatments. Keywords:Guano Fertilizer, N, Sweet Corn
RESPON PERTUMBUHAN DAN PRODUKSIJAGUNGMANIS (Zea mays var. saccharataSturt)TERHADAP LIMBAH PADAT PABRIK KELAPA SAWIT DAN NPK Sitepu, Arjunius; Adiwirman, Adiwirman
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Abstract

The purpose of this research is to examine the density of solid waste of palm oil factory and NPK and get the dose of fertilizer that gives growth and yield of sweet corn plant. This research has been conducted at Experimental Garden of Agriculture Faculty of University of Riau, Campus of Bina Widya km 12,5 Simpang Baru Village, Tampan Sub District, Pekanbaru. This research has been conducted for three months from September until November 2016. This research was conducted experimentally using factorial randomized block design (RAK). The first factor consisted of 4 levels (LPPKS 0 ton / ha, LPKKS 10 tons / ha, LPPKS 20 tons / ha and LPPKS 30 tons / ha) and the second factor consisted of 2 levels (NPK 150 kg / ha, NPK 300 kg / ha ). The observed parameters of plant height, number of leaves, stem diameter, diameter, length and cobs are weightless and not weighted, the production per m2, the number of seed lines, the number of seeds per line and the sugar content in the seeds. The result of variance is significantly different then continued by using BNJ test at the 5 % level. The results concluded that NPK treatment increased sweet corn yield. Production per m2 was positively correlated with all observation variables except for observed sugar levels in seeds that were negatively correlated.  Keywords: Sweet Corn, LPPKS, NPK
PEMBERDAYAAN KELOMPOK TANI DALAM PENGENDALIAN PENYAKIT TANAMAN DENGAN TEKNOLOGI BIOFUNGISIDA PLUS DI KABUPATEN KAMPAR Puspita, Fifi; Saputra, Rachmad; Adiwirman, Adiwirman; Ali, Muhammad; Idwar, Idwar; Armaini, Armaini; Nurbaiti, Nurbaiti; Yoseva, Sri; Zuhry, Elza
Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Vol 7 No 2 (2020): Mei
Publisher : Lembaga Penelitian, Penerbitan dan Pengabdian Masyarakat (LP3M) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/ppkm.v7i2.963

Abstract

Kabupaten Kampar merupakan satu diantara beberapa sentra penanaman padi di Provinsi Riau. Kendala dalam melaksanakan budidaya tanaman padi yang masih ditemukan diantaranya adalah kurangnya pengetahuan petani tentang teknik budidaya dan pengendalian penyakit pada tanaman padi. Tujuan kegiatan ini ialah untuk mendorong petani agar dapat membuat biofungisida berbahan aktif konsorsium Trichoderma virens dan Pseudomonad berflourescens dalam formulasi Biofungisida Plus untuk pencegahan dan pengendalian penyakit yang menyerang tanaman padi. Kegiatan pemberdayaan petani di Desa Sawah melalui penerapan teknologi pengendalian penyakit tanaman padi dengan biofungisida plus dilaksanakan dengan menerapkan Model Community Development. Pada metode ini secara langsung dilibatkan sebagai subyek dan obyek dalam pelaksanaan kegiatan. Hasil yang diperoleh dari kegiatan pemberdayaan masyarakat ini diantaranya ialah, masyarakat bersedia untuk menerapkan teknologi Biofungisida Plus di lahan sawahnya. Berdasarkan hasil kuisioner juga diketahui pemahaman dan wawasan petani bertambah setelah diperkenalkan dengan Teknologi Biofungisida Plus ini. Aplikasi Biofungisida Plus di lahan petani menunjukkan kondisi tanaman yang lebih baik dibandingkan dengan teknik budidaya yang biasa digunakan oleh petani.
Pengaruh Jarak Tanam dan Pemberian Pupuk Organik Cair terhadap Pertumbuhan dan Produksi Kedelai Hitam (Glycine max (L) Merril) Yenti, Elva Wirma; Syafrinal, Syafrinal; Adiwirman, Adiwirman
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Abstract

Black soybean production in Indonesia has not been able to meet national consumption. This problem can be overcome by applying liquid organic fertilizer and adjusting the spacing. This study aims to determine the effect of various spacings and concentrations of liquid organic fertilizer on the growth and production of black soybeans. This research was conducted from June to September 2019 using a completely randomized design with three replications. The first factor is the spacing between two levels, namely J1 = Planting distance (40 x 15)cm, J2 = (40 x 20)cm. The second factor is the concentration of liquid organic fertilizer (POC) consisting of 4 levels, namely: K0 = no liquid organic fertilizer + 50 kg.ha-1 Urea, 70 kg.ha-1 TSP, 100 kg.ha-1 KCl, K1= concentration 0.4% + 25 kg.ha-1 Urea, 35 kg.ha-1TSP, 50 kg.ha-1 KCl, K2 = 0.6% concentration + 25 kg.ha-1 Urea, 35 kg.ha-1TSP, 50 kg.ha-1 KCl, K3 = 0.8% concentration + 25 kg.ha-1 Urea, 35 kg.ha-1TSP, 50 kg.ha-1 KCl. Parameters observed consisted of chlorophyll content, flowering plant age, plant height, number of primary branches, harvest age, total number of pods per plant, number of pithy pods, percentage of pithy pods, number of seeds per plant, dry seed weight per plot, dry seed weight. per plant, weight of 100 seeds and harvest index. The results showed that plant spacing had a significant effect on the number of primary branches, the total number of pods per plant, the number of pithy pods, and the number of seeds per plant. The concentration of liquid organic fertilizer has a significant effect on the chlorophyll content. Interaction of plant spacing concentration of liquid organic fertilizer had a significantly affected chlorophyll content and harvest index. Keywords: Plant spacing, black soybean, liquid organic fertilize
Komposisi Senyawa 1.8-cineole dari Ekstrak Daun Eucalyptus pellita Menggunakan 2 Jenis Pelarut serta Fitotoksisitas Terhadap Gulma Borreria alata (Aubl) DC. Rangkuti, Muhammad Syaid; Hapsoh, Hapsoh; Adiwirman, Adiwirman
Photon: Jurnal Sain dan Kesehatan Vol. 14 No. 1 (2023): Jurnal Photon
Publisher : LPPM Universitas Muhammadiyah Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jp.v14i1.4645

Abstract

The monoterpene group has a molecule called 1.8-cineole as its primary component. The compound 1.8-cineole is one of the most powerful allelochemicals released by many species, such as Eucalyptus spp., which is toxic to other plants. This study intends to identify a suitable solvent to extract 1.8-cineole derived from Eucalyptus pellita leaf extract using 2 types of solvents, ethanol and aquadest along with their phytotoxicity properties. This research was conducted in 2 stages. The first stage involved the extraction of Eucalyptus pellita leaves using the Soxhlet method, and the extraction results were analyzed with GC/MS. The second stage of the phytotoxicity test against Borreria alata (Aubl) DC., weeds used seven levels of extraction formula treatment. The extraction results using ethanol solvents showed higher yields of 1.8-cineole compound composition compared to using aquadest solvents. The results of the phytotoxicity test of variance showed a significant difference in the wet and dried mass of weeds. The extraction formula with a concentration of 50% Eucalyptus pellita leaf extract using ethanol as a solvent has the best phytotoxicity properties compared to other extraction formulas.
Pengembangan Ternak Ruminansia Terintegrasi di Desa Koto Simandolak Kabupaten Kuantan Singingi: Pemanfaatan Jerami Padi untuk Pakan Ternak Bakce, Djaimi; Mulyadi, Aras; Syahza, Almasdi; Adiwirman, Adiwirman; Rossi, Evy
Journal of Community Engagement Research for Sustainability Vol. 3 No. 1 (2023): Januari
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/cers.3.1.1-8

Abstract

The development of integrated ruminants includes activities to introduce, apply, and assist in the manufacture of amniotic and fermented straw animal feed techniques. The final goal is to make Koto Simandolak Village an independent village based on livestock. Persistently the community in Koto Simandolak Village has become better at developing ruminant livestock. In addition to meeting the needs of their own animal feed, ammoniated rice straw and fermented rice straw can be an alternative source of new income for the farmers who produce them.
Molecular Characteristics of Lopang (Gymnopetalum cochinchinense) Originating from Riau Based on matK and trnL-trnF Intergenic Spacer Herman, Herman; Akmal, Fidia; Nurbaiti, Nurbaiti; Siahaan, Citra Winarni; Lestari, Wahyu; Adiwirman, Adiwirman; Altuhaish, Adeel Abdulkarim Fadhl; Roslim, Dewi Indriyani
Biosaintifika: Journal of Biology & Biology Education Vol. 17 No. 3 (2025): November 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v17i3.24522

Abstract

Lopang (Gymnopetalum cochinchinense) is a herbaceous plant traditionally consumed as a vegetable by communities in Riau Province, Indonesia. However, DNA barcode sequence data for this species remain limited. These findings underscore the importance of analyzing DNA barcode sequences of matK and trnL-trnF intergenic spacer (IGS) lopang from Riau. This study highlights the analysis of DNA barcode sequences matK and trnl-trnf intergenic spacer (IGS) in lopang from Riau province. This study applies sampling, DNA extraction, Polymerase Chain Reaction (PCR), electrophoresis, sequencing, and bioinformatics data analysis using BioEdit 7, BLASTn (Basic Local Alignment Search Tool) to find sequence similarities with the GenBank database, Management and analyzed DNA sequences with MESQUITE, Multiple alignments using ClustalW and MEGA11 to create dendrograms. Fresh leaves were collected from Rokan Hulu Regency in Riau Province. The results showed that matK and trnL-trnF IGS DNA sequences of lopang measured 752 bp and 410 bp, respectively. BLASTn analysis revealed that lopang has 99.73% similarity with G. chinense based on the matK sequence and 99.76% similarity based on the trnL-trnF IGS sequence. The analysis revealed a variation of 13 nucleotides, 1 critical nucleotide and no indels in the matK sequence, while in the trnL-trnF IGS sequence there were 19 nucleotide variations, 1 critical nucleotides and 5 indels. As a final point, lopang from Riau is closely related to G. chinense. The findings of this research contribute to the molecular identification of this species and benefit science, such as providing an understanding of plant evolution, species identification, genetic analysis, and the development of molecular markers in the Cucurbitaceae family.
Physiological of Various Genotypes of Cayenne pepper (Capsicum frutescens L.) Under Heat Stress Nanda, Riri Fitria; Adiwirman, Adiwirman; Herman, Herman
Photon: Jurnal Sain dan Kesehatan Vol. 16 No. 1 (2025): Journal Photon
Publisher : LPPM Universitas Muhammadiyah Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jp.v16i1.8698

Abstract

Global warming poses a significant threat to agricultural sustainability, as high temperatures can disrupt plant physiology and reduce productivity in heat-sensitive crops like cayenne pepper (Capsicum frutescens L.). This study aimed to evaluate the morpho-physiological responses of cayenne pepper genotypes to heat stress. The research was conducted in a greenhouse at the University of Riau, Indonesia, from July to November 2023. The experiment employed a split-plot design; the main plots consisted of two temperature regimes (daily ambient temperature vs. heat stress conditions of 4°C–8°C above ambient), while the sub-plots comprised four genotypes: Pelita, Dewata, Bara, and Taruna. Observed parameters included physiological traits (stomatal conductance, transpiration rate) and morphological traits (plant height, stem diameter, leaf characteristics, flowering, harvest age, and fruit weight). Data were analyzed using ANOVA followed by a Tukey’s HSD test at α = 0.05. The results indicated that heat stress significantly affected stomatal conductance, transpiration rates, and vegetative growth, leading to an overall reduction in fruit weight across all genotypes. However, specific adaptive responses varied. The Taruna genotype demonstrated superior physiological adaptation, characterized by stability in stomatal conductance, chlorophyll content, and leaf morphology. Conversely, in terms of yield, the Dewata genotype produced the highest fruit weight per plant under heat stress conditions compared to Pelita, Bara, and Taruna. These findings highlight that while Taruna exhibits robust physiological defense mechanisms, Dewata maintains better production potential under thermal stress, providing critical genetic resources for developing climate-resilient varieties.
Physiological Responses and Agronomic Characters of Local Rice (Oryza sativa L.) Varieties from Rokan Hilir to Salinity (NaCl) Stress Pujiati, Sri; Adiwirman, Adiwirman; Herman, Herman
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4b.11103

Abstract

Rokan Hilir District, tidal swamp areas have potential for rice cultivation but often experience rising salinity due to seawater intrusion. This study aimed to analyze the physiological responses and agronomic characteristics of two local varieties, Sigudang and Sikuning, under different salinity levels, and to identify inter-parameter relationships associated with varietal tolerance. The experiment using a Completely Randomized Design (CRD) with two factors: local rice varieties (Sigudang and Sikuning) and four salinity levels (0, 2500, 5000, and 7500 ppm), each replicated five times. Data were analyzed using ANOVA at the 5% level, followed by the BNJ test at 5%, and correlation analysis to determine relationships among parameters. The results of the study showed that salinity stress had a significant effect on almost all physiological parameters and agronomic traits, with reductions at the highest salinity level ranging from 22-76%. Correlation analysis revealed very strong relationships (r > 0,80) between physiological parameters and agronomic traits, indicating that reductions in physiological function due to salinity directly contribute to decreased growth and yield. Conversely, days to maturity showed negative correlations with most parameters, indicating that prolonged maturity reflects a stress response rather than an indicator of tolerance.
Co-Authors Akmal, Fidia Almasdi Syahza Altuhaish, Adeel Abdulkarim Fadhl Aras Mulyadi Armaini, Armaini Arnis En Yulia Aryanti, Deci Baehaqi Dewi Indriyani Roslim Djaimi Bakce Elza Zuhry Fifi Puspita Firdaus, David Gunawan Tabrani Guzali, Guzali Hapsoh Harahap, Doni Azhar Harmastini Sukiman, Harmastini Idwar, Idwar Isna Rahma Dini M. Yogi Riyantama Isjoni Maswiruddin, Maswiruddin MUHAMMAD ALI Muhammad Hamzah, Muhammad Nanda, Riri Fitria Nelvia Nelvia Nurwijayanti Rangkuti, Muhammad Syaid Rossi, Evy Saputra, Indra Nugraha Anom Saputra, Rachmad Siahaan, Citra Winarni Sitepu, Arjunius Sri Pujiati Sri Yoseva Sumiati Sumiati Syafrinal, Syafrinal Syamsiyah, Syofiatin Telaumbanua, Atap Niat Wahyu Lestari Wawan Wawan Yenti, Elva Wirma Zendrato, Yudiwarni