Jurnal Sains Teknologi dan Lingkungan (JSTL)
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Pengaruh Panjang dan Diameter Stek Batang Terhadap Pertumbuhan Bibit Kelor (Moringa oleifera Lam.)
Get PDFThe purpose of the study is to discover the best length and the diameter of Moringa oleifera Lam. stem cuttings to produce high quality of seedlings. The study was conducted during March-May 2017 located in the nursery field at Dasan Agung, Mataram, 16 m asl. This study was experimental research with Complete Randomized Design with three three replications, and each contains 5 serial experiment units. The treatment for stem cutting length (25 cm, 50 cm, and 75 cm) was then combined with different stem cutting diameters (3-4 cm, 4.1-5 cm, and 5.1-6 cm). The result shows that combination of 75 cm stem length with stem  diameter of 5.1-6 cm resulted to have the best seedling growth.The longer the cutting (up to 75 cm), the better the growth of the seedling. The thickest stem diameter (5.1-6 cm) resulted better seedlin
Uji Daya Hasil Galur Generasi F3 Padi Beras Merah (Oryza sativa L.)
Get PDFThe aim of this research was to know the potential of several lines of F3 generation of new red rice from the crossbreeding of Fatmawati and IPB3S varieties with red rice. The research was conducted in Nyurlembang Village, Narmada District, West Lombok Regency, West Nusa Tenggara Province, with elevation of ± 127 m above sea level from July to October 2017. The experiment design was Randomized Block Design (RAK) with 25 treatments i.e. 20 red rice lines, three parents and two comparator varieties. The result shows that all observed characters were significant differences. There are 13 lines of 20 red rice lines have high yield potential above the average yield of the parent and comparator varieties are G17, G9, G18, G13, G12, G15, G8, G14, G7, G11, G6, G19 and G20:11.30 ton.ha-1, 9.44 ton.ha-1, 9.21 ton.ha-1, 9.17 ton.ha-1, 8.94 17 ton.ha-1, 8.92 ton.ha-1, 8.89 ton.ha-1, 8.88 ton.ha-1, 8.81 ton.ha-1, 8.67 ton.ha-1, 8.38 ton.ha-1, 8.12 ton.ha-1and 8.10 ton.ha-1 respectivel
Respon Seleksi Massa Secara Tidak Langsung Terhadap Daya Hasil Tanaman Jagung Selama Tujuh Siklus Di Lahan Kering
Get PDFThe objective of the research is to investigate the selection response indirectly on the corn yield in dry land, and the yield improvements of yield due to seven cycles. The selection method used were mass selection with and without pollination controll. The method used to minimize environmental effect during selection was subdivided block that (subselection block divided into small plots). In each plot, there was 40 plants, and the number plants selected were 5 %. Randomized Completely Block Design was used to study the selection result. The data collected were analyzed using Analysis of Variance, and the difference between populations were tested using Least Significant Difference in 5 % significant level. The average of selection response per cycle every technique used was gained from polynomial regression coefficient among the characters observed with selection cycle The percentage of the corn yield improvement was gained from the difference between the seventh cycle and the base population, and then, substracted by the base population. The result showed that the response indirectly of mass selection with and without pollination controll were significantly linear, and the values were 47.88 and 72.80 g per plot, respectively. The yield improvements were 43.46 % and 79.21 %, respectivel
Kondisi Kualitas Perairan untuk Mendukung Budidaya Lobster di Kabupaten Lombok Utara, Provinsi Nusa Tenggara Barat
Get PDFLobster (Spiny lobster, Panulirus sp) is an important economic value commodity, then it needs to be developed through cultivation. North Lombok Regency has potential coastal and coastal resources for the development of marine aquaculture. Therefore, this study was to determine the condition of water quality in North Lombok Regency, West Nusa Tenggara Province to support the development of lobster aquculture. Water quality data collection was carried out in May 2018. A total of 23 stations that were spread out in simple random locations were collected at the research location.Water quality parameters collected include: temperature, salinity, pH, dissolved oxygen (DO), brightness, turbidity, nitrate (NO3-N), phosphate (PO4-P) and plankton.The results showed that the water conditions of North Lombok Regency still meet the range of quality standards or values recommended for lobster cultivation. Based on analysis of the statistics multivariate used in this research divide research locations into three different regions , the waters of the south (Gulf Sire) , middle parts in Tanjung and Gangga District, and the northern in off shore.The result of this research is expected to be able as additional information to support the development of the cultivation of spiny lobster in North Lombok Regenc
Prospect Produksi Pra Sapih Anak Kambing Hasil Silang Kambing Pe Dengan Kambing Boer
Get PDFThe study aims to evaluate the pre-weaning production prospectus kids of PE crossed with Boer buck. Twenty PE does were in the average 39.35 kg body weight and 3 in body condition score. Does were offered single feed sesbandia glandiflora leaves twice a day. All does were synchronized by 2 ml Capriglandin, inseminate fix time at 48-52 hours following Capriglandin injection. If the does were return to estrus following AI, then they were allowed natural mating. Data collected included gestation period, birth weight and average daily gain (ADG), tabulated and calculated for Mean±SD, interpreted and explained descriptively. The number of kid were 34 consisting of 6 singles male (SM), 12 single female (SF), 8 male twin (MT), 2 female twins (FT) and 6 male-female twins (MFT). Gestation period (days) were 152±0.47 and 152±2.00 for SM and MT. Shorten gestation period were noted for SF, FT and MFT (149±3.82; 150±3.94 and 147±2.94, respectively). The highest birth weight (kg) was SM (4.27±0.29) followed by SF (3.52±0.27), MFT (2.97±0.44), FT (2.73±0.23) and MT (2.71±0.54). The highest ADG (gr/day) occurred at 0-30 days was in MT (201.33 g/d) and the lowest was in FT (137.33 g/d). In conclusion, crossbreeding kid of PE VS Boer goat has a high prospectus as dual purpose stockbreede
PERTUMBUHAN BIBIT TANAMAN KELOR (Moringa oleifera Lam.) ASAL BIJI PADA BERBAGAIFASE PINDAH TANAM SEMAI
Get PDFThis research was aimed to find out the growth of seedling drum stick (Moringa oleifera Lam.). originatedfrom seed at different phases of transplanting. Has been done on aplir – juli 2017 at Dasanagung, Mataram, West Nusa Tenggara.  This study used a complete randomized design (CRD) of one factor, namely: direct seed planting, fishing phase, needle phase, bud phase, and the first leaf phase blooms perfect. The results of this study showed that phase of transplanting has no significant effect on growth of seedling moringa plant. Both of fhising phase and needle phase are better of five transplanting’s phase
Pertumbuhan dan Distribusi Akar Tanaman Muda Beberapa Genotipe Unggul Jarak Pagar (Jatropha curcas L.)
Get PDFPerbedaan potensi genetik berpengaruh pada kedalaman perakaran, dan jarak pagar mengubah pola tumbuhnya dalam merespon kondisi lingkungan sehingga tanaman dapat tumbuh dan bertahan pada berbagai kondisi dan jenis tanah, maka pemilihan genotype atau varietas yang akan dikembangkan pada suatu kawasan tertentu perlu menjadi pertimbangan. Penelitian ini bertujuan untuk mengetahuai pertumbuhan perakaran tanaman muda beberapa genotipe unggul jarak pagar. Pembibitan secara langsung pada polibag berisi media tanah-kompos (1:1 v/v) di bawah naungan paranet selama 2 bulan, sebanyak 3 ulangan (masing-masing 25 bibit). Sejumlah 20 bibit berumur 2 bulan ditanam di lapangan berjarak tanam 1.5x2.0 m diatur secara grid systim. Pengamatan akar dilakukan dengan cara membongkar media tumbuh. Hasil penelitian menunjukkan bahwa selama periode 6 bulan, tidak ada perbedaan pertumbuhan akar antar genotype.Akar tunggang tumbuh geotropik dengan empat akar lateral yang tumbuh horizontal dan terkonsentrasi pada pangkal akar tunggang, sehingga membentuk sistim perakaran dangkal. Pertumbuhan (panjang dan diameter) akar tunggang tampak lebih mendominasi keempat akar lateral.Kata Kunci: arsitektur akar, biomassa akar, distribusi akar, geotropic ABSTRACTSince there are differences in genetic potential effect on rooting depth, and also Jatropha curcas change the pattern of growth in response to environmental conditions so that the plants can grow and survive in various conditions and soil types, then the selection of genotypes or varieties to be developed in a particular area should be considered. This study aims to know the growth of young plant root of superior genotypes of Jatropha curcas. Seeding directly in polybags plastic containing medium mixtures of soil-compost (1: 1 v/v) under shade net for 2 months, as many as 3 replicates (each 25 seeds). Some 20 seedlings of 2 months old were field planting with 1.5 m x 2.0 m spacing arranged in a grid system. Root growth observations were done by dig growing medium. The results showed that during the period of 6 months, there were no differences of root growth between genotype. Tap-root grows geotropic with four lateral roots that grow horizontally and concentrated at the base of the taproot, thus forming a shallow rooting system. Root growth, length and diameter, of tap-root appeared to be greater to four lateral roots.Keywords: architectural roots, root biomass, root distribution, geotropi
Suplementasi Ampas Kecap untuk Meningkatkan Libido dan Produksi Sperma Kambing Peranakan Etawa
Get PDFTujuan penelitian ini adalah untuk mengetahui suplementasi ampas kecap terhadap intensitas libido dan produksi sperma kambing peranakan etawa. Penelitian dirancang dalam pre-test dan post-test design, dimana pengambilan data dilakukan sebelum dan setelah perlakuan. Tiga ekor kambing diberi perlakuan masing-masing 10 hari pada pre-test dengan pakan rumput lapangan tanpa suplementasi, post-test-1 dengan pakan rumput lapangan disuplementasi 5% dan post-test-2 dengan rumput lapangan disuplementasi 10% ampas kecap. Intensitas libido dan produsi sperma secara makroskopis dan mikroskopis diobservasi setiap tiga hari sebanyak 3 kali. Data yang diperoleh dianalisis secara statistik. Hasil penelitian menunjukkan, nilai intensitas libido meningkat sangat signifikan dari 3.11 ± 0.78 tanpa suplementasi menjadi 4.67 ± 0.50 setelah suplementasi 10% ampas kecap. Rataan volume sperma meningkat dari 0.71 ± 0.13ml menjadi 0.87 ± 0.17 ml, nilai pH rata-rata mendekati 7.0, konsistensi sperma menjadi kental dan motilitas massa spermatozoa dari ++ menjadi +++. Motilitas progresif dan viabilitas spermatozoa meningkat signifikan dari 72.78 ± 2.64% menjadi 82.22 ± 2.64% dan dari 79.98 ± 1.25% menjadi 81.68 ± 1.36%. Persentase abnormalitas spermatozoa terendah terdapat pada suplementasi 10% dan konsentrasi tertinggi pada suplementasi 5% ampas kecap. Kesimpulan, suplementasi 10% ampas kecap di dalam pakan rumput lapangan mampu meningkatkan intensitas libido dan produksi sperma kambing peranakan etawa.Kata kunci : Suplementasi, viabilitas, spermatozoa This study was conducted to observed the supplementation of soy sauce dregs in wild-grass ration on libido intensity and semen production of peranakan etawa (PE) buck. The experiment was done in pre-test and post-test design. Three bucks were treated each 10 days at pre-test by given of wild-grass without supplementation, post-test-1 with wild-grass supplemented by 5% and post-test-2 with wild-grass supplemented by 10% of soy sauce dregs. The libido intensity and semen production were observed every three days for three times. The data was analyzed statistically. The results showed, the libido intensity score was increased very significantly from 3.11 ± 0.78 to 4.67 ± 0.50 after supplementation of 10% soy sauce dregs. The average of semen volume, consistency and  mass motility of spermatozoa were increased from 0.71 ± 0.13ml to 0.87 ± 0.17ml, rather thick to thick and ++ to +++. Progressive motility and viability of spermatozoa were increased significantly after supplementation of 10% soy sauce dregs. The lowest percentage of spermatozoa abnormality was found on supplementation of 10% and the highest concentration found on supplementation of 5% soy sauce dregs. In conclusion, supplementation of 10% soy sauce waste in wild-grass ration is capable to improve the libido intensity and semen production of peranakan etawa buckKeywords: Supplementation, viabilitaty, spermatozo
Viabilitas Biji dan Pertumbuhan Bibit Kelor (Moringa oleifera Lam.)
Get PDFBuah kelor (Moringas oleifera L.) yang secara fisik berukuran panjang dan memiliki banyak biji di dalamnya tentu akan menyebabkan perbedaan tingkat kematangan biji dan kemudian perbedaan pada viabilitas benih yang dihasilkan. Penelitian ekperimental ini terdiri atas dua percobaan, yaitu percobaan pertama bertujuan mengetahui viabilitas biji dari tiga posisi biji dalam buah dan percobaan kedua bertujuan mengetahui pertumbuhan bibit tanaman kelor hingga umur dua bulan dari masing-masing posisi biji pada buah tersebut. Hasil penelitian menunjukkan bahwa posisi biji dalam buah kelor berpengaruh nyata terhadap viabilitas benih, namun berpengaruh tidak nyata terhadap pertumbuhan bibit hingga umur dua bulan. Biji-biji pada posisi di pangkal dan tengah dari buah memiliki viabilitas lebih baik dibandingkan biji-biji pada posisi di ujung buah.Kata kunci: berat biji, pemasakan, perkecambahan, posisi biji ABSTRACTFruits of Moringas oleifera L. is physically long and has many seeds in would certainly cause differences in seed maturity level and then difference in seed viability. This experimental research consisted of two experiments, the first experiment was aimed to find out the seed viability of the three seed positions in the fruits and the second experiment was aimed to determine the growth of the Moringa seedlings up to two months age from each seed position. The results shows that the seed position was significantly affected the viability of the seeds, but were not affected to the growth of seedlings until the age of two months. The seeds in position at the base and the middle of the fruit have better viability than the seeds in position at the end of the fruit.Key words: germination, seed position, ripening, seed weigh
Nilai Nutrisi Pakan Ayam Ras Petelur yang Dipelihara Peternak Rakyat di Pulau Lombok
Get PDFPenelitian evalusi nilai nutrisi pakan ayam ras petelur di Pulau Lombok telah dilakukan. Penelitian menggunakan metode survey yang berlokasi di empat Kabupaten di Pulau Lombok yaitu Kabupaten Lombok Barat, Lombok Tengah, Lombok Timur dan Lombok Utara. Pada masing-masing Kabupaten diambil 4 peternak ayam ras sebagai sampel dan dianalisa di Laboratorium Nutrisi Makanan Ternak Fakultas Peternakan Universitas Mataram. Data dianalisa dan ditabulasi kemudian dipresentasikan dalam bentuk diskriptif. Hasil penelitian menunjukkan bahwa semua peternak ayam ras petelur menggunakan jagung, dedak padi, dan konsentrat sebagai ransum dasar berturut-turut sebesar 43 %±8.13, 22%±3.93, dan 33%±4,83. Campuran pakan tersebut mengandungan protein sebesar 17.21% ±1.23, energi metabolis 2753 ± 63.78, lemak kasar dan serat kasar sebesar 4.03% ±0,2 dan 6.29 % ±0.46, Ca dan P sebesar 3.61% ±0.53 dan 0.51% ±0.03. Rata-rata produksi telur, konsumsi pakan, bobot telur, tebal kerabang dan nilai HU ayam ras di Pulau Lombok berturut-turut sebesar 56%±8.68, 114±31,25 g.ekor-1.hari-1. 61.71±2.49 g. 0.39±0.03 mm dan 90.16±4.33.  Komposisi nutrisi ayam ras petelur tersebut sudah memenuhi Standar Nasioanal Indonesia (SNI), akan tetapi produksi telur masih rendah.Kata Kunci : Mineral, konsentrat, Vitamin ABSTRACT The research of evaluation of nutrient value of laying hens which rearing by farmer in Lombok Island was conducted. Using surveys methode in four locations in Lombok Island i.e. West Lombok, Central Lombok, East Lombok, and North Lombok and four farmers sample of each. Data was analyzed in loboratorium animal nutrition Faculty of Animal Husbandry Mataram University. Data was analized and tabulated and than descriptive presented. The result show that, all of the farmer in Lombok Island use rice bran, maize, and commercial feed as elementary ration with 43%±8.13, 22%±3.93, and 33%±4.83 respectively, in addition, all farmers use feed supplements such as vitamins or mineral. Nutrition value of ration are 17.21% ±1.23 protein, 2753±63.78 metabolizeble energy, 4.03% ±0,2 extract ether and 6.29%±0,46 fibers, Ca and P are 3.61 % ±0.53 and 0.51%±0.03. Average eggs production, feed consumption, egg weight, shell thickness, and Haught Unit (HU) are 56%±8.68, 114±31,25 g.ekor-1.hari-1. 61.71±2.49 g, 0.39±0.03 mm, and 90.16 ±4.33. It can be concluded that nutrient composition of laying hens in Lombok Island according to Indonesian Standard Feed, however, eggs production and quality still low.Key words: Vitamine, concentrate, nutrien