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Seminar Nasional Lahan Suboptimal
Published by Universitas Sriwijaya
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Prosiding Seminar Nasional Lahan Suboptimal 2018
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Articles 642 Documents
Produksi dan Kapasitas Tampung Padang Pengembalaan di Desa Sejaro Sakti Kecamatan Indralaya Kabupaten Ogan Ilir Muhakka, Muhakka; Munawar, Asep Indra; Fariani, Armina; Sahara, Eli; Sabrina, Salmi
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Muhakka, M., Ali, A. I. M., Riswandi, R., Fariani, A., Sahara, E., & Sabrina, S. (2024).Production and carrying capacity of pasture in Sejaro Sakti Village, Indralaya District, Ogan Ilir Regency. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang  21 Oktober 2024. (pp. 501–511).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Forage is very important to increase ruminant livestock production. The purpose of this study was to determine the production and carrying capacity of pasture in Sejaro Sakti Village, Indralaya District. This study was conducted in the pasture area in Sejaro Sakti Village, Indralaya District, and at the Animal Nutrition and Feed Laboratory of the Animal Husbandry Study Program, Faculty of Agriculture, Sriwijaya University. The method used in this study was the Halls method, which took samples using a 1m2 sample plot to determine the type and production of forage. The parameters observed were the vegetation types in the swamp pasture, fresh weight production, dry matter production and carrying capacity. The results of the study showed 9 types of swamp green vegetation, namely Kumpai minyak grass (Hymenache amplexicausis), Kumpai padi (Oryza rupifogon), Purun tikus (Eleocharis dulcis), Algae (Spirogyra sp.), Eceng Gondok (Eichornia crassipes), Kiambang (Salvinia cucullata), Telepuk padi (Nymphanea adorate), Serpang (Caesalpinia sp.) and Kemon air (Neptunia oleracea). Fresh production of swamp greens is 1.10 tons Ha-1 and dry matter production is 0.23 tons.Ha-1 and carrying capacity is 0.66 AU.Ha-1.year-1. It can be concluded that the fresh production of swamp greens in the pasture in Sejaro Sakti Village is 1.10 tons.Ha-1 and dry matter production is 0.23 tons.Ha-1 and carrying capacity is 0.66 AU.Ha-1.year-1.
Studi Molekuler Rice tungro bacilliform virus pada Ratun Padi di Sidrap, Sulawesi Selatan melalui Pendekatan PCR Sidik, Effi Alfiani; Ibrahim, E.; Firmansyah, F.; Khaerana, K.
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Sidik, E.A., Ibrahim, E., Firmansyah, F. & Khaerana, K. (2024). Molecular study of rice tungro bacilliform virus on rice ratoons in Sidrap, South Sulawesi through a PCR Approach. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang  21 Oktober 2024. (pp. 836–842).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Rice rungro bacilliform virus (RTBV) is a primary causes of tungro disease, which proses a significant threat to rice production in South Sulawesi. This study was conducted to identify the infection symptoms and presence of RTBV in rice retoon in Sidrap, South Sulawesi. Samples were collected using purposive sampling in area suspected of tungro virus infection, and symptom identification was performed. RTBV detection was carried out using Polymerase Chain Reaction (PCR). Symptoms observed included yellow to orange discoloration of leaves, leaf shortening, and narrowing of leaf blades. PCR results confirmed that the ratoon rice was infected by RTBV. These finding indicated ratoons may serve as a potential inoculum source for virus spread in the mext planting season, thus prolonging the infection cycle. Early detection of RTBV infection in the ratooning phase through molecular approaches is crucial to minimizing the risk of tungro disease spread.
Analysis of Edible coating Based on Corn Starch and Ginger Extract (Zingiber officinale) as Active Packaging on Cherry Tomatoes (Solanum lycopersicum var. cerasiforme) Silvia, Deli; Muryeti, Muryeti; Zahra, Meida Aminatu
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Silvia, D., Muryeti, M., & Zahra, M. A. (2024). Analysis of edible coating based on corn starch and ginger extract (Zingiber officinale) as active packaging on cherry tomatoes (Solanum Lycopersicum Var. Cerasiforme). In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 389–397). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Research has been conducted on the analysis of the application of active packaging in the form of edible coatings made from corn starch and ginger extract to extend the shelf life of cherry tomatoes. Cherry tomato fruit is part of horticultural commodities that are easily damaged after post-harvest. The level of horticultural products such as fruits is influenced by fruit gas activity (diffusion) through the surface of the fruit skin. This diffusion will be inhibited by the skin which is easily decomposed during the post-harvest process. One way to extend the shelf life is to coat the fruit skin with an edible coating. Edible coatings made from corn starch (3% and 6%), Ginger extract (3, 6 and 9%), 1% pectin and 1% glycerol were applied to cherry tomatoes at room temperature. This study aimed to analyze the effectiveness of corn starch and ginger extract as active packaging that can extend the shelf life of cherry tomatoes. Tests carried out in the form of total soluble solids, pH, Vitamin C content and Organoleptic with color, texture and aroma attributes. Data were analyzed using SPSS ANOVA two factorial DMRT (Duncan Multiple Range Test) as a follow-up test. The results obtained were processed by two-factorial ANOVA with. The results showed that 3% corn starch concentration had an effect on the weight loss test of tomato fruit and 6% ginger extract concentration had an effect on the acidity test of cherry tomato fruit The test results show that the application of edible coatings from corn starch and ginger extract has the potential to extend the shelf life of cherry tomatoes through changes in the pH value of the fruit.
Intensitas Penyakit Cabai Rawit (Capsicum frutescens) di Desa Sumber Baru Kecamatan Mesuji Raya Kabupaten Ogan Komering Ilir Nurfadhilah, Laili; Hamidson, Harman; Rahmadani, Ria; Deswita, Adelia; Randah, Nahdatul Fatiyah; Dewi, Syahrina; Mustika Sari, Sinta
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Nurfadhilah, L., Hamidson, H., Rahmadani, R., Deswita, A., Fatiyah, R.N., Dewi, S., & Sari, S.M. (2024). Intensity of pest and disease attacks of cayenne pepper (Capsicum Frutescens) in Sumber Baru Village, Mesuji Raya District, Ogan Komering Ilir Regency. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang  21 Oktober 2024. (pp. 743–752).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Cayenne pepper (Capsicum frutescens L.) is a horticultural plant that is inseparable from disease attacks caused by Plant Pest Organisms (OPT). Gemini virus is an important virus in chili plants because it is very damaging to the growth of chili plants. The aimed of this research is to determine the level of disease attack on cayenne pepper plants in Sumber Baru Village, Mesuji Raya District, Ogan Komering Ilir Regency. The method used is the case study method and data collection using the census method by observing the level of disease attacks in cayenne pepper attacks. The results of research conducted in Sumber Baru Village, Mesuji Raya District, Ogan Komering Ilir Regency show that there are four diseases that attack cayenne pepper plants, namely gemini virus, Choanephora rot, leaf spot, and sclerotium wilt. It is known that the highest percentage of disease attacks was Gemini virus disease with an average of 97.05% and the highest percentage in the sixth observation was 97.9%, this shows that almost all plants were attacked by Gemini virus which was caused by the vector, namely the whitefly. Several disease symptoms were found on cayenne pepper plants, namely anthracnose which appeared on the fruit which started with brown spots, then spread and rotted, leaf spot which caused brown spots on cayenne pepper leaves, then rot on the stems, the symptoms were rotten stems and brown color, and fruit rot, the fruit becomes rotten and smells bad. The highest percentage of attacks was Gemini virus attack at 97.05% and Choanephora rot at 57.33%. It is known that the highest intensity of disease attack is Gemini virus disease which is caused by vectors, namely whitefly and fruit rot caused by Choanephora cucurbitarum with a very heavy level of attack.
Perbedaan Komposisi Famili Kupu-Kupu (Papilionoideae) di Kawasan Cagar Alam Gunung Tilu Ciwidey Bandung Ruslan, Hasni; Amirah, Karina Mutiara; Kusuma Putra, Adhiya Nabhan; Wahyuningsih, Endang
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
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Ruslan, H., Wahyuningsih, E., Amirah, K. M., & Putra, A. N. K. (2024). Differences in the composition of the butterfly family (Papilionoideae) in the Mount Tilu Ciwidey Bandung Nature Reserve Area. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 59–68). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Butterflies have an important role in nature, having high sensitivity to environmental conditions. Research on butterflies in the Gunung Tilu Ciwidey Bandung Nature Reserve Area is still little published. The aimed of this research was to determine differences in the composition of butterfly families on tea and coffee plantations. The research was conducted on 1 – 5 May 2024 in tea gardens and coffee plantations. Observations were carried out at 08.00 – 12.00 WIB, and 13.00 – 16.00. The observation method is exploration. The results of research in two habitats found five families of butterflies in tea and coffee plantations: Nymphalidae, Papilionidae, Lycaenidae, Pieridae, and Riodinidae. More species from the Lycaenidae family are found on tea plantations. The number of butterfly species found in both habitats from the Nymphalidae and Papilionidae families is the same. The number of species of the Pieridae family is higher in coffee plantations than in tea gardens, and the Rionidae family is only found in coffee plantations. The existence of this butterfly family is influenced by host plants and food plants. Butterfly species from the Lycaenidae family found on tea and coffee plantations: Jamides pura, Nacaduba sp, Udara akasa. Butterfly species from the Nymphalidae family found on tea and coffee plantations: Lethe confusa, Melanitis leda, Mycalesis sp, Rohana parisatis javanica, Ypthima pandocus, Dolestilia bisaltidae. Butterfly species from the Papilionidae family found on tea and coffee plantations: Graphium sarpedon, Graphium doson, Pappilio memnon, Pappilio demolion. Butterfly species from the Pieridae family found on tea and coffee plantations: Delias hyperete, Delias belisama, Eurema hecabe, Eurema sari, Eurema blanda.
Pengaruh Fluktuasi Harga Minyak Kelapa Sawit terhadap Alokasi Tenaga Kerja dan Pendapatan Usahatani Kelapa Sawit Swadaya di Kabupaten Musi Rawas Lifianthi, Lifianthi; Rosana, Elly; Thirtawati, Thirtawati
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
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Lifianthi, L., Rosana, E., & Thirtawati, T. (2024). The Effects of Palm Oil Price Fluctuations on Farm Labor Allocation and The Income of Independent Smallholder Oil Palm Plantation in Musi Rawas Regency. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang  21 Oktober 2024. (pp. 293–304).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Independent oil palm plantations are farms that produce Fresh Fruit Bunches (FFB) owned by individuals without being tied to a company and are usually managed by family labor.  The oil palm commodity is one of the export-oriented plantation commodities, and its price is highly dependent on the price in the global market.  The fluctuating condition of FFB prices greatly affects the allocation of labor and income of independent oil palm farmers. This study aimed to analyze the labor allocation of independent oil palm farmers, calculate the income of independent oil palm farmers, and analyze the effect of family labor allocation on the household income of independent oil palm farmers.  The research was conducted in two sub-districts, namely Suka Karya and Megang Sakti sub-districts in Musirawas Regency.  A survey research method with simple random sampling was carried out for 100 independent smallholder respondents. Calculation of research data with two conditions for each per 6 months, namely before and after the change in FFB price.  The results of the study for the average labor allocation before the price change was 117.40 mandays, while after that was 115.07 mandays, the average income before the price change was Rp29.280.176,- and after that was Rp25.764.662, -.  Regression analysis results for the effect of labor allocation on income before price changes obtained a coefficient value of 11270,54, while after, a the value was -4584,11.
Analisis Neraca Air Lahan Gambut pada Kesatuan Hidrologis Gambut Pulau Rupat Provinsi Riau Kusairi, Muhammad; Sutikno, Sigit; Yusa, Muhamad; Hendri, Andy; Rinaldi, Rinaldi
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
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Kusairi, M., Sutikno, S., Yusa, M., Hendri, A., Rinaldi, R. (2024). Analysis of peatland water balance in the peatland hydrological unit Pulau Rupat, Riau Province. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 649–658).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Peatlands are the largest place that can be used as water storage. Peatlands consist of 90% water and 10% organic matter, most of which is carbon. With a very large water content, water balance analysis is very appropriate to be used to determine the characteristics of PHU Pulau Rupat. Water balance analysis is a very important analysis to see the condition of the volume of water available spatially and temporally. This study aimed to analyze the condition of the water balance in PHU Pulau Rupat. The analysis is based on the condition of the water balance of each Sub PHU using the MONALAGA water balance model. Based on this method, it was found that PHU Pulau Rupat has two periods of deficit conditions each year. This condition is in accordance with the characteristics of the dry season in Riau Province. The difference between surplus and deficit was -80.46 million m3 in 2014, this condition is in accordance with the presence of 1,216 hotspots in sub PHU-2. The deficit month period that is prone to fires occurs in January to March, then in the period from June to August. Based on these conditions, it can be the basis for water management in controlling peatland fire disasters. So that the level of fire vulnerability in PHU Pulau Rupat can be reduced through collaboration between parties in dealing with deficit months.
Karakteristik Morfofisiologi dan Produksi Bawang Merah Varietas Bima Brebes dengan Pemberian Pupuk Organik Cair pada Sistem Budidaya Terapung Irmawati, Irmawati; Sefrila, Marlin; Susilawati, Susilawati; Tambunan, Rizky Tadeus; Poerbaputra, Yoszada Dara; Patricya Sinaga, Aulia Putri; Yasyfi Azka Praptawara, Muhammad; Miama Hutabarat, Rahel Valentina; Simanjuntak, Rosita
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
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Irmawati, I., Sefrila, M., Susilawati, S., Tambunan, R. T., Poerbaputra, Y. D., Sinaga, A. P. P., Praptawara, M. Y. A., Hutabarat, R. V. M., Simanjuntak, R. (2024). Morphophysiological characteristics and production of bima brebes shallot variety by providing liquid organic fertilizer in a floating cultivation system. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 202–211).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Shallot cultivation requires the application of technology that is appropriate to the conditions of the agroecosystem plants being planted in order to provide high yields. This research aimed to determine the growth and yield of shallot plants of the Bima Brebes variety which are cultivated using a floating farming system with the addition of liquid organic fertilizer. This research was structured using the Randomized Group Design (RAK) method by carrying out 4 treatment levels, namely P0 = Control (100% NPK), P1 =4 mL L-1POC, P2 = 8 mL L-1 POC, P3 = 16 mL L-1 POC. The results of the diversity analysis showed that the application of liquid organic fertilizer (POC) given to the plants showed that the results were not significantly affected in all growth parameters of the shallot plants. Parameters observed included plant height, number of tillers, number of leaves, level of greenness of leaves, fresh weight of berries, fresh weight of tubers, dry weight of berries, air dried weight of tubers, and tuber diameter. The best leaf length of shallot plants was found in treatment P3 with plant height reaching 32.37 cm. This shows that liquid organic fertilizer can meet the nutrient needs of shallot plants for plant height growth. Research shows that the application of liquid organic fertilizer with treatment at a dose of 16 mL L-1 is able to provide the best results for all parameters of growth and yield of shallot plants.
Pendugaan Penambatan Karbon Kelapa Sawit (Elaeis Guineensis Jacq) Umur 15 Tahun pada Lahan Gambut di PT. Waimusi Agroindah Afdeling XII Kebun Sepucuk, Kecamatan Pedamaran Timur, Kabupaten Ogan Komering Ilir Wulandari, Anisa; Prayitno, Muh Bambang
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
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Wulandari, A., & Prayitno, M.B. (2024). Estimation of 15-Year-Old Oil Palm (Elaeis Guineensis Jacq) Carbon Sequestration on Peatland at PT Waimusi Agroindah Afdeling XII, Kebun Sebubuk, Pedamaran Timur District, Ogan Komering Ilir Regency. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 556–562).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).One significant carbon storage area is in plant stands, which can be measured through plant biomass. The amount of carbon stored depends on the diversity and density of plants in an area, the type of soil present, and how it is managed. This research was carried out on oil palm plants on peatlands at PT Waimusi Agroindah, located in Afdeling XII, Kebun Sepucuk, East Pedamaran District, Ogan Komering Ilir Regency, South Sumatra, from September to October 2023. Estimating carbon tethering using carbon using the Non-destruction method by measuring the diameter of the rod with the formula W = 0.1208   and estimating plant carbon tethering. Measurements are made by measuring the diameter of the rod using a modification tool to measure the diameter of the rod. Samples were taken 3 different plots and with different areas but still in the same plant age, samples were taken as many as 18 points on each plot with the number of samples obtained as many as 54 samples. For oil palm plants, each plot with a plant age of 15 years has a diameter that is not too different. The results showed that oil palm plants with the highest average biomass value were found in plot 1 with a total carbon absorption of 21,338.75 tons  . Samples were taken in 3 different plots and with different areas but still in the same plant age, samples were taken as many as 18 points on each plot with the number of samples obtained as many as 54 samples. It is suspected that the biomass of carbon reserves and the amount of carbon tethering of oil palm plants planted on peatland at the plant age level is 15 years. For oil palm plants, each plot with a plant age of 15 years has a diameter that is not too different. The results of the study showed that oil palm plants with the highest average biomass value were found in plot 1 with a total carbon sequestration of 21,338.75 tons.
Monitoring Penyakit Layu Sclerotium pada Cabai Merah (Capsicum annuum L ) di Desa Simpang Sawit Kecamatan Indralaya Utara Kabupaten Ogan Ilir Hamidson, Harman; Suparman, Suparman; Pratama, Filli; Novita Sari, Karlinda; Pramesti Regita Lince, Ardia Ayu; Nabila, Ade; Alviana, Vivi Ayu; Oktareni, Sangkut Sri; Syachputra, M. Ryan; Ayu, Putri; Tania Marta, Siti Hafiza; Nadila, Nur; Nugroho, M. Aldi; Arsi, Arsi; Tricahyati, Titi
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Hamidson, H., Suparman, S., Pratama, F., Sari, K. N., Lince, A. A. P. R., Nabila, A., Alviana, V. A., Oktareni, S. S., Syachputra, M. R., Ayu, P., Marta, S. H. T., Nadila, N., Nugroho, M. A., Arsi, A., Tricahyati, T. (2024). Monitoring sclerotium wilt disease in chillies (Capsicum annuum L) in Simpang Sawit Village, Indralaya Sub-district, North Ogan Ilir Regency. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang  21 Oktober 2024. (pp. 886–894). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Cabai merah (Capsicum annuum L.) merupakan salah satu jenis tanaman hortikultura  penting yang dibudidayakan secara komersial, hal ini disebabkan selain cabai memiliki kandungan gizi yang cukup lengkap juga memiliki nilai ekonomi yang tinggi. Tujuan dari praktek lapanagn ini adalah monitoring penyakit sclerotium pada tanaman cabai merah di Kecamatan Indralaya Utara Kabupaten Ogan Ilir.  Praktek lapangan ini dilaksanakan dengan metode survei dimana penarikan sampel secara laju perkembangan penyakit. Data yang digunakan dalam praktek lapangan ini adalah data primer dan data sekunder. Data primer diperoleh secara langsung melalui wawancara dengan petani, sedangkan data sekunder adalah data-data penunjang dari data primer, yang didapatkan melalui jurnal, buku, arsip-arsip. Berdasarkan hasil praktek lapangan di kecamatan indralya utara kabupaten ogan ilir desa simpang sawit menunjukan pada pengamatan kejadian penyakit sclerotium rolfsii yang diperoleh pada pengamatan penyakit berdasarkan pengamatan  rerata persentase keparahan penyakit layu Sclerotium tinggi pada pengamatan pertama rerata  10 % dan pada pengamatan selanjutnya mengalami penurunan  pada pengamatan kedua 4,1% selanjutnya pada pengamatan ketiga mengalami penurunan lagi ,pengamatan ketiga sebesar 3,5 % berikutnya penurunan kembali pada pengamatan keempat 2,8 % dan rerata persentase keparahan penyakit yang terendah terjadi pada pengamatan kelima sebesar 2,7 %. Pengendalian layu Sclerotium selama ini hanya secara mekanis dengan mencabut dan membuang tanaman yang sakit. Cara pengendalian tersebut kurang efektif karena patogen masih mampu bertahan lama di dalam tanah, dengan membentuk organ pembiakan, yaitu sklerotia.