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KANDUNGAN MINYAK ATSLRJ DAUN NILAM (Pogostemon eablin Benth.) PADA SUM DAN LAMA PENGERINGAN YANG BERBEDA
Full text linkAn experiment to observe pachouly oil content treated by temperature combined by duration time in drying process of pachouly leaves has been conducted. The aims of this experiment am to study the effect of temperature and duration time of drying process pachouly leaves in the essential oil content and to obtain the most pachouly oil content from the treatments applicated. The treatments are setting up 30 °C, 40 °C, and 50 °C combined with 3 and 6 hours long for drying process.
Results indicated that there was no pachouly oil found in 30 °C, even on 3 or 6 hours drying time. Whereas there was pachouly oil rendement in higher temperature. The highest rendement was found in 50 °C at 3 hours long of drying process.
Penelitian terhadap rendemen minyak nilam pada kombinasi perlakuan suhu dan lama pengeringan berbeda retail dilakukan. Perlakuan yang diberikan berupa proses pengeringan di dalam oven dengan kisaran suhu 30 °C, 40 °C dan 50 °C yang diinteraksi dengan lama waktu 3 dan 6 jam. Tujuan penelitian ini adalah mengkaji pengaruh suhu dan lama pengeringan daun tanaman nilam terhadap kandungan minyak nilam sena untuk mengetahui rendemen minyak nilam yang terbanyak dari perlakuan yang diberikan. Rendemen dihitung setelah tanaman berumur 4 bulan pada ranting yang tumbuh di atas tanah. Analisis rendemen minyak nilam dilakukan dengan metode destilasi uap.
Hasil penelitian menunjukkan bahwa pada perlakuan suhu dan lama pengeringan mempengaruhi rendemen minyak yang dihasilkan. Perlakuan suhu 30 °C dengan waktu 3 dan 6 jam tidak menghasilkan rendemen, sedangkan perlakuan suhu 40 °C pada tiap waktu pengeringan menghasilkan rendemen minyak nilam sebanyak 0,0025% Perlakuan suhu 50 °C dengan lama pengeringan 3 dan 6 jam menghasilkan rendemen masing-masing sebanyak 0,005% serta 0,004%. Sehingga kesimpulan yang diperoleh adalah suhu dan lama pengeringan ranting dan daun tanaman nilam mempengaruhi rendemen minyak atsiri. Rendemen tertinggi diperoleh pat interaksi suhu 50°C dan waktu 3 jam
PENINGKATAN PRODUKSI BIOMASA TANAMAN PENGHASIL MINYAK ATSIRI, Pogostemon patchouli MELALUI DEFOLIASI
Full text linkThe increase of patchouli biomass production by defoliation has been studied. The aim of this research were to investigate effect of defoliation of different part on biomass production of Patchouli. This research was conducted through several steps, i.e. soil preparation for seedling, seedling aclimatitation, defoliation treatment, patchouli cultivation, growth monitoring, data collecting of number and length of auxiliary buds. Result indicated that defoliation at the top or first nodus increased number of auxiliary buds. Whereas defoliation at second nodus increased the length of auxiliary buds. Based on this result, it can be concluded that defoliation increased formation of auxiliary buds
Penelitian tentang peningkatan produksi biomassa tanaman penghasil minyak atsiri (Pogostemon patchouli) melalui defoliasi (pemangkasan pucuk tanaman) telah dilakukan. Penelitian ini bertujuan untuk mengetahui pengaruh pemangkasan pucuk (defoliasi) pada tempat yang berbeda terhadap biomassa tanaman nilam. Hasil dari penelitian ini diharapkan dapat memberikan informasi kepada petani nilam mengenai budidaya tanaman nilam yang dapat menghasilkan biomassa yang tinggi. Tahapan penelitian yang dilakukan meliputi: persiapan lahan penelitian, persiapan media tanam untuk bibit nilam, penyediaan bibit, aklimatisasi bibit, proses defoliasi tanaman nilam, pemeliharaan tanaman nilam, pengamatan pertumbuhan tanaman nilam, pengamatan dan pengumpulan data akhir berupa jumlah dan panjang tunas aksiler. Hasil penelitian menunjukkan bahwa pemangkasan pucuk tenths tanaman nilam dapat menghasilkan jumlah tunas aksiler yang lebih banyak daripada kontrol dan tanaman nilam yang dipangkas pada ruas kedua. Sedangkan pemangkasan pucuk pada ruas kedua menyebabkan perubahan panjang tunas aksiler yang lebih cepat daripada kontrol dan tanaman nilam yang dipangkas pucuk teratasnya. Berdasarkan hasil penelitian ini dapat disimpulkan bahwa nemangkasan pucuk tanaman nilam pada tempat yang berbeda memberikan pengaruh yang berbeda pula yaitu apabila tanaman dipangkas pada pucuk teratas akan meringkatkan jumlah tunas aksilemya, sedangkan bila dipangkas pada ruas kedua akan meningkatkan kecepatan perubahan panjang tunas aksiler
Eksplorasi Kandungan Klorofil pada beberapa Sayuran Hijau sebagai Alternatif Bahan Dasar Food Supplement
Full text linkChlorophyll is plant pigment which consumed as food supplement. Chlorophyll source consumed now is
from alfalfa’s leaves besides algae such as Spirulina and Chlorella.. Chlorophyll content find in all kinds of plant
especially vegetables so that have potent to be source of chlorophyll. The aims of this research are first to explore
another chlorophyll source beside Leguminosae, from vegetables such as sweet basil, spinach, water spinach,
cassava leaves, pegagan, and papaya’s leaves. Second, to study the vegetables potent to be food supplement. The
experiment has been conducted by extracting 0,1 g each leaves in 10 mL acetone 85%. The extract was fitered with
Whatman paper No. 1, thus record the absorbance by using spektrofotometer UV Vis. Statistically analysis used to
analyze chlorophyll content is Analysis of Variance (ANOVA) with Randomized Complete Design (RCD) in 95%
significancy. If the ANOVA showed significantly different, the analysis were continued with Duncan’s test. The
result showed that the highest content of chlorophyll-a, b, and total found in papaya’s leaves, however the lowest one
was found in sweet basil. Papaya’s leave could be a food supplement
Pengaruh Pemberian Vitamin C (asam askorbat) terhadap Kesegaran Bunga Krisan (Chrysanthemum sp) pada Kawasan Sentra Penghasil di Desa Ngasem, Kecamatan Jetis, Bandungan, Jawa Tengah
Full text linkChrysanthemum (Chrysanthemum sp) is one of the popular cut flowers because of its attractive shapes, colors and various sizes. Cultivation of Chrysanthemum in Ngasem is vital earnliving of farmers because most of the farming interest in Chrysanthemum. The problems in chrysanthemum cultivation which is handling the post harvest. Long freshness of flower will decreases with decreasing nutrient content in the plant. Ngasem’s farmers maintain the freshness of Chrysanthemum with simply soaked in water. This study purposed to determine how post-harvest handling of flowers chrysanthemum in the Ngasem Village and determine the effect of vitamin C in a solution of the marinade (pulsing) so can extended the freshness of Chrysanthemum flowers. The experiment with a Completely Randomized Design (CRD) with the pattern of a single factor. The treatment in this experiment using a marinade solution, i.e 500 ml of water as a control (treatment P0), a mixture of 500 ml water and vitamin C with concentration 100 ppm (treatment P1), a mixture 500 ml of water and vitamin C with concentration 200 ppm (treatment P2). Each treatment was repeated 3 times. Parameter that observed is chrysanthemum cut flowers long freshness. Based on observations of the F test showed that the long freshness of chrysanthemum flowers is not affected by replenishment of vitamin C in a solution of the marinade, but is only affected by the water without vitamin C. Water as a control treatment (treatment P0) are able to maintain long freshness of chrysanthemum flowers is the highest, namely 14 days. The treatment with vitamin C (P1 and P2) was only able to retain the long freshness chrysanthemum for 12 days
Pertumbuhan vegetatif anggrek Dendrobium stratiotes Rchb.f. setelah pemberian monosodium glutamat dan pupuk “Hortech”
Full text linkFertilizers are needed to encourage the growth of orchids because their growth is known to be very slow. Monosodium glutamate (MSG) is a crystalline salt containing sodium and glutamate which can stimulate plant growth. Therefore in this study, the application of MSG and fertilizer was carried out to promote the growth of D. stratiotesorchids. The application of MSG and fertilizer was given in a completely randomized design with a factorial pattern consisting of MSG concentration factors (0, 0.5 and 1%) and fertilizing factors (not fertilized and fertilized). There are six treatments and three replications per treatments. The parameters observed increased in leaf length (cm), the morphological response of orchid plants in the form of new shoot formation, new root formation, and bulb enlargement. Results of research and test Analysis of Variance (ANOVA) showed no interaction between MSG and fertilizer in influencing the length leaf orchid D. stratiotes. The length of leaves is highest in orchids by MSG 1% without fertilizer, while the formation of new shoots and bulb enlargement occurred in orchid plants which were given 0.5 and 1% MSG without fertilizer application. New root formation occurs in plants given MSG and fertilizer. The conclusion is the application of 1% MSG without fertilizer can promote the growth of. D. stratiotesorchids
KANDUNGAN KLOROFIL DAN PERTUMBUHAN KACANG PANJANG (Vigna sinensis) PADA TINGKAT PENYEDIAAN AIR YANG BERBEDA
Full text linkChlorophyll is a pigment presents in leaves which is vital for photosynthesis. It absorbs
red, blue and purple, and reflects green light of electromagnetic spectrum. Beside its use in photosynthesis,
chlorophyll is also important in treatment for cancer, useful as disinfectant, antibiotics and food supplement. Since
chlorophyll plays important role in human life, it is essential to increase chlorophyll content. One way to do that is
by adjusting the watering volume based on the plant type. The aim of this research is to study the effect of
different watering volume towards the growth and content of chlorophyll in long bean (Vigna sinensis). The
experiment was performed by using Complete Randomized Design (3 treatments with 3 repetitions for each
treatment). Data was analysed by using Anova test. The result that Anova test shows the real effect then it is
followed by Duncan Multiple Range Test. The result showed that in order to get good growth on long bean, the
watering volume should be half of the capacity of plant media. On the other hand, high content of chlorophyll is
achieved when watering volume is equal to the capacity of plant media
Kandungan klorofil dan karotenoid Kacang Tunggak (Vigna unguiculata (L.) Walp.) pada umur tanaman yang berbeda
Full text linkChlorophyll is a pigment of photosynthesis which is also efficacious as a cure for brain, lung, and oral cancer, and can be used as a disinfectant, antibiotic and dietary supplement, while carotenoids are useful as antioxidants. The content of the two pigments is strongly influenced by the age of the plant, especially for vegetable crops used in leaves such as cowpea (Vigna unguiculata (L.) Walp.). The purpose of this research is to know the pattern of chlorophyll content and carotenoid of cowpea leaf during the growth phase and to know the age of the right plant for harvesting cowpea so that the highest chlorophyll and carotenoid content is obtained. Cowpea seeds obtained from seeds are added then planted in pots containing ready-made planting media in the greenhouse. Chlorophyll and carotenoid analyzes were performed at different plant ages from 1 to 11 weeks. The research design used is Completely Randomized Design. Data were analyzed using variance analysis and continued with Duncan test at 95% significance level. The results showed that the highest chlorophyll and carotenoid content was produced by the cowpea leaf in the vegetative phase or before the flowering time. The highest chlorophyll content was obtained at 4WAP (weeks after planting) of age crop, while the highest carotenoid content was obtained in 3WAP.
The Impact of Biochar and FeCl3 Administration on Fe Toxicity Symptoms and Productivity of Bok Choy Mustard Plants (Brassica rapa L.) Nauli Variety
Full text linkFe³⁺ pollution is a factor that reduces bok choy production. Its productivity can be increased by adding biochar, which can adsorb inorganic ions, including iron. This study examines the impact of rice husk biochar and FeCl₃ on bok choy productivity, using a completely randomized design with a 3´3 factorial pattern. The first factor was the concentration of rice husk biochar (0, 2.5, and 7.5 g/kg), and the second was the concentration of FeCl₃ (0, 25, and 50 mg/L). The criteria measured were the number of leaves, leaf area, chlorophyll content, and vitamin C levels. The combination of 0 g/kg biochar and 0 mg/L FeCl₃ proved to be the most effective treatment for boosting bok choy growth. The treatment yielded 12.6 leaf count, 73.3 cm² leaf area, 2.0 mg/g chlorophyll, and 30.8 ppm vitamin C. Fe³⁺ treatments at 25–50 mg/L drastically lowered all growth metrics. The applied biochar doses were insufficient to efficiently absorb Fe³⁺ and boost the yield of bok choy.
Keywords: biochar, bok choy, chinese mustard, FeCl3, toxicit
Produksi dan Konsumsi Oksigen serta Pertumbuhan Ceratophyllum demersum L. pada Kerapatan yang Berbeda dalam Mendukung Potensinya sebagai Bioaerator
Full text linkAquaculture is one of important economic activity in Indonesia. The main problem in aquaculture is the low water quality such lower oxygen level . Ceratophyllum demersum is one of aquatic plants that is hypothesized capable in increasing oxygen level through photosynthesis. However the growth of C. demersum it self will consume oxygen from the water through respiration. The aim of this study is to measure oxygen production and consumption by C. demersum at different density level. From this data, we will understand the potency of C.demersum as bioaerator to supplay oxygen in the water. This experiment was designed using Completed Randomized Designed (CRD). Three density level of C. demersum was apllied as treatment. They were 100g/100L, 200g/100L dan 300g/100L. Each treatment was replicated by 4 times. Results indicated that in density of 300g/100L produced the highest oxygen level ( 1,65 ppm). The highest growth rate of C. demersum was resulted by density level of 200g/100L
Thidiazuron-Induced Somatic Embryogenesis in Cymbidium bicolor Orchid In Vitro
Full text linkCymbidium bicolor is a highly hunted and traded orchid, leading to a decline in its wild population. Orchid conservation can be achieved through tissue culture, particularly via somatic embryogenesis. Thidiazuron (TDZ) is a growth regulator used to induce somatic embryogenesis. This study aimed to determine the optimal TDZ concentration for somatic embryo formation. Stem explants of C. bicolor were cultured on Murashige Skoog (MS) medium with TDZ concentrations of 0, 1, 2, and 3 ppm. Observations were conducted weekly for two months using a stereo microscope and OptiLab. Variables observed included the percentage of green explants, somatic embryo formation time, the number of explants forming somatic embryos, and the number and morphology of somatic embryos. The study was arranged in a Completely Randomized Design (CRD) with 14 replications. Results showed that TDZ addition influenced somatic embryo formation and maintained the green color of explants. Media with TDZ promoted faster growth and larger embryo size compared to media without TDZ. The optimal concentration was 1 ppm TDZ, which produced the highest number of embryos (172) and the fastest formation time compared to other concentrations (TDZ 0: 27, TDZ 2 ppm: 60, TDZ 3 ppm: 39)
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