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Jurnal Lahan Suboptimal

jlso
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Published by Universitas Sriwijaya

ISSN : 22526188 EISSN : 23023015 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal Lahan Suboptimal: Journal of Suboptimal Lands (JLSO) (p-ISSN 2252-6188; e-ISSN 2302-3015) publishes original research papers, literature reviews, and short communications that cover on topics relevant to suboptimal lands: freshwater swamps, tidal lowlands, peatlands, dry and dry acid lands, shaded ecosystem, ex-mined lands, saline and marine coastal wetland ecosystems. The Journal serves as a multi-disciplinary forum covering key issues in Suboptimal Lands science and technology, management, policy and ecological economics. The journal is published by Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO), Universitas Sriwijaya. The journal was first published on April of 2012 with twice per year in frequency on April and October.

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Articles 323 Documents

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Uji Kisaran Inang Penyakit Downy Mildew (Pseudoperonospora cubensis) dan Antraknosa (Colletotrichum Sp.) pada Beberapa Tanaman Cucurbitaceae Erise Anggraini; A. Muslim; Azizah Zuriana; Chandra Irsan; Bambang Gunawan
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 2 (2018): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Anggraini et al, 2018. Host-Range Analysis of Downy Mildew (Pseudoperonospora cubensis) and Anthracnose (Colletotrichum Sp.) on some Cucurbitaceae Plants. JLSO 7(2):213-224.Â Inhibiting factors of cucumber cultivation is Downy mildew disease that is caused by Pseudoperonospora cubensis and Anthracnose by Colletotrichum sp. The objective of this research was to observe pathogenicity of activity caused by Pseudoperonospora cubensis and Colletotrichum sp. isolated from cucumber towards Cucurbitaceae plants. The research was conducted at greenhouse and Phytopathology Laboratory, Department of Plant Pests and Diseases Faculty of Agriculture, University of Sriwijaya in September to December 2016. This study used Randomized Block Design (RBD), with four types of plants, 2 treatments and 4 replications. The results showed that the incubation period of the plant inoculation Downy mildew by Pseudoperonospora cubensis range between 4.5-5.0 days. Result of broadest spot area was on melon leaf 2.05 cm2 with the chlorophyll content of 0.4928 mg/g and the lowest result was on cucumber leaf 0.90 cm with the chlorophyll content of 0.7628 mg/g. While the results showed that the incubation period of the applied plant pathogen Colletotrichum sp. ranging from 3.0-4.5 days. Result of broadest spot area was on melon leaf 4.00 cm2 with the chlorophyll content of 0.3932 mg/g and the lowest result was on cucumber leaf 2.42 cm2 with the chlorophyll content of 0.7588 mg/g.

Karakteristik Polong Kedelai Varitas Unggul yang Terserang Hama Pengisap Polong (Riptortus linearis) pada Kondisi Cekaman Kekeringan M. Sarjan; Isman Sabâ€™i
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

The objective of this study is to examine the morphological characteristics of the superior soybean varieties against sucking pod pests in drought stress conditions. The investigations have been carried out in June-August 2012 in the greenhouse of the Faculty of Agriculture, University of Mataram. Experiments have been designed by using completely randomized design with treatment consist of eight soybean varieties namely Anjasmoro, Panderman, Burangrang, Lawit, Argomulyo, Kaba, Tanggamus and Grobogan, with 3 replications. The parameters measured were: 1) Tickeness of pods skin, 2) trichome pods length; 3) trichome density of pods, 4) the attacks intensity; 6) plant resistance. Data analysis of the studies were performed using ANOVA on the significance level of 5 percent. The results showed that seven varieties of soybeas tested were tended to have the same length of pod trichome, and they did not have any strong correlation with attack intensity of pod sucking insect pest. In addition, the thickness of pod skin had a strong correlation with attack intensity, the ticker of pod skin, the lower of attack intensity. On the other hand, the density of pod trichome did not have any strong influence on attack intensity of pod sucking pest of soybean

Pertumbuhan dan Hasil Kubis Bunga (Brassica oleraceae var. Botrytis L.) pada Media Tanam Kompos Gulma Air Susilawati Susilawati; Muhammad Ammar; Z. D Asmara
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 6 No. 1 (2017): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Susilawati et al, 2017.Â The Growth and Yield of Cauliflowers (Brassica oleraceae var. Botrytis L.) on Planted Media of Aquatic Weeds Compost. JLSO 6(1):43-48.The objective of this research was to know the growth and yield of cauliflowers on various planted media organic of compost aquatic weeds. This research was conducted from November 2016 to Febuary 2017. The research was rendomized block design with ten treatments and three replications.Â Each unit consisted of 3 plants, so there were 90 plants.Â The treatments were B0: (soil 100%), Be1 (75% soil: 25% water hyacinth fertilizer), Be2 (50% soil: 50% water hyacinth fertilizer), Be3 (25% soil: 75% water hyacinth fertilizer), Bu1 (75% soil: 25% hymenachne compost), Bu2 (50% soil: 50% hymenachne compost), Bu3 (25% soil: 75% hymenachne compost), Bi1 (75% soil: 25% salvinia compost), Bi2 (50% soil: 50% salvinia compost), Bi3 (25% soil: 75% salvinia compost). The result showed that the treatment 75% soil and 25% salvinia compost gave the best effects on weight flowers, leaf number, weight of fresh roots and weight of dry roots.

Keanekaragaman Komunitas Artropoda Predator Tanaman Padi yang Aplikasi Boinsektisida Berbasis Jamur Entomopatogen Daerah Rawa Lebak Sumatera Selatan khodijah khodijah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 1 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Species diversity and abundance of canopy-inhabiting and soil-dwelling arthropodsÂ could be affected by pesticide application. Population and the intensity of the rice stem borer attack can influence pesticide application. This study aimed to examineÂ the effect of the application of solidÂ and liquid bio insecticide entomopathogenic fungus Beauveria bassiana-basedÂ formulations on species diversity and abundance of predatory arthropodsÂ in inhabiting paddy canopyÂ and soil dwelling. The research was conducted in fresh-water swampÂ rice cultivation in Pelabuhan Dalam village,Â Pemulutan district,Â Ogan Ilir regency in South Sumatra, from Mei to Agustus 2012. Â The results showed that the application of liquid and solid bioinsecticida affected predatory arthropods diversity (H') at rice plant canopy.Â The highest effect was found in rice plant applied with liquid bio insecticide and the lowest effect with synthetic insecticides.Â Predatory arthropods diversity (H') in soil dwellingÂ Â was the highest in rice plants applied with solid bioinsecticide and the lowest with synthetic insecticides

Pojale (Ketela Pohon Jagung dan Kedelai) sebagai Bahan Pengembangan Beras Analog Pengendali Kegemukan Sukamto Sukamto; Moh. Sui; Sudiyono Sudiyono; Patria Domas G.; Fatimah Karim
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 2 (2018): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sukamto et al, 2018. The Development of Analog Rice as Obesity Control from Pojale Materials (Cassava, Corn and Soybean). JLSO 7(2):128-135.Population growth can cause 2 problems, namely food shortage population and overweight and obese population. Indonesians who are overweight and obese have reached 25%. This study aimed to develop analog rice to control obesity from corn and cassava-based ingredients than contain high amylose, and soybeans as a protein source. Corn flour, cassava flour and soy flour passed the 80-mesh sieve was used in the study. The analog rice granulation process used the Twin Screw Extruder KL Protecal machine. The temperature settings for the extruder thread at the beginning, middle and end were 80, 85 and 90 Â°C, respectively. The results showed that the composition of the ingredients of corn flour, 1:1 cassava flour and without addition of soy flour yielded the best results of analog rice in terms of color, texture, structure and surface smoothness. The analog rice can be cooked for 8-10 minutes with addition of water by 1.5 times of the rice. Cooked rice contained 9.44% protein, 76.40% starch, 7.99% fiber, and 36% amylose when the formula was added with 10% soy flour. Sensory test showed that panelists was on average like the rice.

Kerusakan Pucuk Tebu oleh Scirpophaga nivella (F.) di Pertanaman Tebu Lahan Kering, PTPN VII Cinta Manis Dewi Meidalima; Ruarita Ramadhalina Kawaty
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

The biggest obstacle sugarcane in Indonesia, including in South Sumatra and centers Cinta Manis sugar cane plantations that attack shoot borer (Scirpophaga nivella (F.). The study was conducted from July to December 2012 in PTPN VII Cinta Manis South Sumatera. One ha land observation area. Observation plots were divided into 5 plot diagonally into 5 plots each measuring 200 m2 with a population of approximately 1500 sugarcane stalks, performed every 2 weeks old plants of 1.5 months to 6.5 months. The research purposes were observing damage of sugarcane shoots by shoot borer (Scirpophaga nivella). Experimental research methods, data were collected purposively and directly at the affected plants. Hoist length formed by shoot borers from leaves to growing points was the 18.47 cm. Place of imago out mostly on the 3rd and 4th segment. Length of drilled stem was 8.20 cm. Damage caused by shoot borer could made totally dead or made siwilan on sugarcane.

Penggunaan Biochar dan Tinggi Muka Air pada Umur Satu Bulan setelah Tanam terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah Susilawati Susilawati; Irmawati Irmawati; Sri Sukarmi; Astuti Kurnianingsih; Ade Mutia
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 2 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Susilawati S, Irmawati I, Sukarmi S, Kurnianingsih A, Mutia A. 2019. The application of biochar and water table at one month after planting on growth and yield of shallot.Â Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):202-212.Â The success of onion self-sufficiency is the arrangement and growth of production centers that are not only concentrated in Java. The research aimed to evaluate the effect of biochar application and water table treatment on growth and yield of shallot plant. The research was conducted in Experimental Farm of Agriculture Faculty, Sriwijaya University at 2019. Materials used consisted of shallot bulb of Bima Brebes variety, oil palm shells biochar, paper bag, and plastic bag. While the tools used were hoe, gauge, pH meter, basin, scale, and oven. Factorial Randomized Block Design was used with two factors and three replicates. The first factor was biochar dosages consisting of P1 (51 g/plant) and P2 (102 g/plant) and the second factor was soil water table consisting of T0 (no water table treatment), T1 (10 cm of water table below soil surface), T2 (15 cm of water table below soil surface) and T3 (30 cm of water table below soil surface). The observed parameters included plant height, leaf number, tiller number, total bulb fresh weight, bulb fresh weight, bulb dry weight and root length. Results showed that the application of biochar and water table treatment statistically affected the growth and yield of shallot plant. The effect on both growth and yield parameters were obtained from the combination of P2T3. Correlation was found between plant height and leaf number, total bulb fresh weight and bulb fresh weight.

Diversifikasi Buah Kelapa (Cocos nucifera L.) sebagai Nilai Tambah Pendapatan Usahatani Kelapa di Lahan Pasang Surut Wiwin Novita Sari; Mustofa Marli Batubara; Khaidir Sobri
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 4 No. 2 (2015): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

This study aims to determine the processes implemented coconut diversification as value added of coconut farms income the area of tidal land in Banyuasin and find out how much value added of coconut farm income. The population as an example 7 respondents used was a survey method. Data collection methods used in this study were interviews with coconut farmers using a prepared list of questions and the data obtained from the relevant institutions that have anything to do with the study, analyzed the tabulation. Develoving a diversification of Coconut farm in addition to provide value-added farm income, it is expected to grow jobs and boost economic growth in rural areas. Based on the research results and the discussion indicated that the diversification process in the form of a sort the results coconuts meat, charcoal, coir and coconut water. Coconut farm income of Rp 9.413.974,00/year, coconut diversification income Rp 9.951.400,00/year. Value-added diversification of Rp 805.94 coconut/fruit

Persepsi Petani terhadap Budidaya Cabai Sistem Pertanian Terapung di Desa Pelabuhan Dalam, Kecamatan Pemulutan, Ogan Ilir Hasbi Hasbi; Benyamin Lakitan; Siti Herlinda
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 6 No. 2 (2017): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Hasbi et al, 2017. Farmer Perception to Chilli Cultivtion in Floating Agricultural System in Pelabuhan Dalam Village, Ogan Ilir. JLSO 6(2):126-133.The purpose of this research was to utilize potentialÂ waste of local resource especially mineral bottle as a floating raft, to train farmer to construct it, to increase farm production, to socialize how to produce inexpensive, widely available, good quality and environmental friendly floating raft made of mineral bottle, and to evaluate farmers response. This research was conducted at Pelabuhan Dalam Village, Subdistrict of Pemulutan, District of Ogan Ilir.Â The step of this research were socialization to farmers, display the system of floating cultivation and farmers perception evaluation.Â The results showed that the system was prospective to be developed based on statements of interested farmers.Â One of the important finding was that the system was easy to maintenance. The farmers were optimistic that the system could be developed by them selves.

Study on the Biological Characteristics of Pegagan Duck Meisji L. Sari; R.R. Noor; Peni S. Hardjosworo; Chairun Nisa
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 1 No. 2 (2012)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sari et al. 2012. Study on the Biological Characteristics of Pegagan Duck. JLSO 1(2):170-176. Pegagan duck is one of the local geneticÂ and biodiversity resources in South Sumatera which needs to be conserved and developed. So far, scientific data of Pegagan duck as a biodiversity resource were relatively limited compared to other local ducks. The aim of this experiment was to investigate and identify egg variability of Pegagan duck. This experiment started by collecting 500 Pegaganâ€™s egg from three districts, namely Tanjung Raja, Inderalaya and Pemulutan, Ogan Ilir Regency, Sumatera Selatan. Collected eggs were cleaned with lysol 2.5% prior to putting into the hatching machine. During hatching process, the eggs were rolled up and down from the 3th d until the 25th d. Egg candling was done three times: day 5, day 13 and day 25. The results showed that initial weight of parent (G0) male and female Pegagan duck was 36.87 g and 36.73 g, respectively. Meanwhile,Â F1 generation was 36.90 g for male and 37.09 g for female. The growth pattern between male and female duck was relatively the same. Growth curve which showed the relationship between body weight and age of duck formed a sigmoid curve. The growth differences between male and female duck occured at the 5th week. Body weight of male duck wasÂ higher than female duck. The highest body weight found at theÂ inflexion point for both male and female duck for parent (G0) was at the 4th week and for F1 was at the 5th week.Â At the first laying, the body weight of Pegagan duck for parent (G0) reached 1541.17Â±132.19 g, whereas for F1 reached 1605.34Â±167.19 g. Parent (G0) and F1 of Pegagan duck layed at the average age of 153 and 154 d, wherein 30% layed at the age of < 151 d and 60% at the age of 151-170 d.These results were expectedly become database and guidance for the conservation and sustainable development of pegagan duck.

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Contact Name
Sabri Sudirman

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sabrisudirman@unsri.ac.id

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jlsuboptimal@unsri.ac.id

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Kab. ogan ilir,

Sumatera selatan

INDONESIA