Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH)
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Gibberellic Acid (GA3) and Potassium Nitrate (KNO3): The Influence and Interaction inThe Senescence Process in White Rosa Sp.
Full text linkThe purpose of this study was to find out whether the combination of KNO3 and GA3 solutions were more effective than a single solution of KNO3 or GA3 in keeping the freshness of cut flowers. The research was conducted in Botanical Laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences University of Lampung from November to December 2017. The experiment was conducted in 2 x 3 factorial experiment with factor A is GA3 solution with 3 concentration level: 0% w/v, 25% w/v, and 0.5% w/v. Factor B is KNO3 solution with 2 concentration levels: 0% w/v and 5% w/v. The parameters of this study were fresh weight, dry weight, relative water content, total chlorophyll content, total chlorophyll of leaves, and total carbohydrate content of rose cut flowers. Measurements were made 7 days after the immersion of cut flowers in KNO3 or GA3 solution, and mixed both. Homogeneity of variance and analysis of variance is determined at confidence level 5%. KNO3 simple effect at every level of GA3 concentration is determined by the F test at 5%. The results showed that there was no interaction between GA3 and KNO3 to fresh weight, dry weight, relative water content and chlorophyll content a, b and total white roses, but KNO3 reduced fresh weight of cut flowers by 48.15% and dry weight 58.60%. KNO3 increased the relative water content of white rose flowers by 6.85%. The results of the study concluded that the combination of GA3 and KNO3 is not effective to keep the freshness of white rose flowers cut
PERTUMBUHAN PLANLET KRISAN (Dendranthema grandiflora Tzvelev) KULTIVAR PINK FIJI SETELAH PENAMBAHAN EKSTRAK TAUGE (Vigna radiata L.) PADA MEDIUM MURASHIGE DANSKOOG (MS) SECARA IN VITRO.
Full text linkChrysanthemum (Dendranthema grandiflora Tzvelev) is one of the important ornamental plants in Indonesia and has high economic value . This plant is known as a producer of flowers with attractive shapes and colors . Seeing the magnitude of community interest and the potential utilization of chrysanthemum , causing this plant more and more developed and cultivated . This study aims to determine the concentration of optimum mungbean sprouts extract on the growth of chrysanthemum explants in vita . The addition of mungbean sprouts extracts (Vigna radiata L .) from concentration of 0% v/v , 2% v/v , 4% v/v , 6% v/v and 8% v/v on Murashige and Skoog(MS ) medium to growth eksplan Chrysanthemum (Dendranthema grandiflora Tzvelev ) Pink Fiji cultivars have been carried out in the tissue culture laboratory of Faculty of Mathematics and Natural Sciences , University of Lampung from November to December 2017 . This study used Completely Randomized Design (RAL ) 1 factor with 5 replications . Analysis of BNT variety and test is done at 5% level . The results showed that the extract from mungbean sprouts (Vigna radiata L . ) had no effect on plantlet height , number of shoot and number of chrysanthemum (Dendranthema grandiflora Tzvelev) plantlet leaves. The addition of mungbean spourts extracts on Murashige and skoog (MS) medium show 100% live plantlet
Viability of Soybean Seeds (Glycine max [L.] Merr.) Varieties Argomulyo and Dena-1 Due to The Exposed on Saturated Steam or Stored at Low Temperatures
Full text linkBoosting Sperm Count Using Red Ginger in Mice Induced by Paraquat Dichloride (1.1-dimethyl-4.4 bipyridinium)
Full text linkParaquat dichloride (1.1'-dimethyl-4.4'-bipyridinium dichloride) was commonly herbicide used by most farmers in Indonesia. It raises herbicide-free radicals and affects male reproductive organs. It caused infertility such as a decrease in the number of spermatogenic cells. Fortunately, red ginger has capable of dealing with infertility problems. This study aims to see whether the ethanol extract of red ginger can increase the number of spermatocyte and spermatid cells induced by paraquat dichloride. This study uses a completely randomized design with 24 male mice were divided into six treatment groups with four replications. Group K as a control (H2O), J (Ginger 18 mg / ml), Pq (Paraquat 20mg / BB), P1 (Pq 20 mg / BB + EEJM 6 mg / ml), P2 (Paraquat 20mg / BB + EEJM 12 mg / ml) and P3 (Paraquat 20mg / BB + EEJM 18 mg / ml). Paraquat is given 2 times a week for 21 days, while the ethanol extract of red ginger added for 35 days. The number of cells spermatocyte and spermatid cells of male mice and performed analysis of variance (ANOVA) and Least Significant Difference Test (BNT) level of 5% observed as the parameter. The results showed that ethanol extract of red ginger 6, 12 and 18 mg/ml increased the number of spermatocyte and spermatid cells of male mice induced by paraquat dichloride
The Effect of Magnetic Induction on Seeds Infected Fusarium Sp. Toward Generative Growth of Red Chili (Capsicum annuum. L)
Full text linkMagnetic fields are proven to improve the quality of growth of various plants. In the study, it was examined whether the treatment of magnetic fields on chili seeds (Capsicum annuum. L) infected by Fusarium sp. could maintain plant growth to the generative phase. This research is two-factor research using a randomized block design. The first factor is the 0.2 mT magnetic field induction treatment consisting of 7 minutes 48 seconds (M7), 15 minutes 36 seconds (M15) and control (M0) as control and the second factor is the Fusarium oxysporum infection treatment consisting of 60 minutes infected (F60) and not infected (F0). Each treatment unit was repeated 5 times. Data obtained were analyzed for variance at a 5% significance level. The results of the analysis showed that the treatments in this study did not provide significant differences in carbohydrate content, flowering speed and number of flowers, as well as the fruiting rate of plants from seeds infected with Fusarium sp (M0F60, M7, F60, and M15F60), thus the magnetic field treatment could be causing plants to be resistant to Fusarium sp. so plants from seeds infected with Fusarium sp. able to flower and bear fruit at the same speed and produce the same amount of interest
Maya Index Analysis of Dengue Fever Vector in East Metro Sub-District Lampung Province Indonesia
Full text linkDengue fever was one of the dangerous diseases due to it might cause death in a short time. It transmitted through its vectors, namely, Aedes aegypti and Aedes albopictus. Maya index is an indicator that used to identify a high-risk area or not as a breeding ground for Aedes sp. The purpose of this study was to determine the type of landfill which has the potential as a breeding ground for mosquitoes, to find out the larvae found in various landfill sites, and to know the Maya index status in Metro Timur Subdistrict which was carried out in November-December 2017. This research conducted by a direct survey of 100 residents' houses in East Metro. The results indicated that the type of controlled water reservoir that had the most potential as a breeding place for mosquitoes was a bathtub, while the type of water reservoir that was not controlled which had the potential as a place for mosquito breeding was a fish pond usage. There were 2 types of larvae found, namely, Aedes aegypti larvae with a percentage of 47.7% and Aedes albopictus larvae with a percentage of 52.3%. The Maya index status detected there, was a medium category, which obtained from the BRI combination and HRI category. Besides, it did not mean that the area has been free from dengue cases. The role of the community is still very much needed in eradicating landfills which has the potential as a breeding place for dengue mosquitoes vector
Diversity of Herbaceous Plant in The Utilization Block of Sumber Agung Tahura Wan Abdul Rachman Bandar Lampung
Full text linkDiversity is a variety of species that are similarly formed and the abundance of a species. The purpose of this study is to determine the diversity and characteristics of herbaceous plants in Sumber Agung Resort Bandar Lampung Wan Abdul Rachman (WAR) forest park. The method used is a purposive sampling method at several points, done by direct observation using the Belt Transect method with plot size 1x1 m² with a distance between plot 100 m² then the picture of herbaceous plants taken as documentation material. The species is then taken for identification regarding some literature. Data analysis by measuring the parameters of vegetation using the analysis of density and frequency variables which then determine the Importance Value Index (INP). Observation of herbaceous plants was done by identifying and making herbarium. The results of the study are, there are 45 species of herbaceous plants that have been identified, consisting of 22 families. The highest density of herbaceous species that are found belongs to Asteraceae, Solanaceae, Araceae, Poaceae, Zingiberaceae, and Euphorbiaceae. Characteristics of herbaceous growth are influenced by air temperature, soil moisture, and soil pH. The highest Important Value Index (INP) in herbaceous plants belongs to Family Poaceae; Lophatherium gracile with an important value index (INP) 31.43%
KEMAMPUAN BERBAGAI TINGKATAN STADIUM LARVA KUMBANG Tenebrio molitor L. (COLEOPTERA : TENEBRIONIDAE) DALAM MENGKONSUMSI STYROFOAM (POLYSTYRENE)
Full text linkKumbang Tenebrio molitor atau yang lebih dikenal sebagai ulat hongkong, memiliki nilai ekonomis karena dapat digunakan sebagai pakan ternak maupun obat bagi manusia dan mudah dibudidayakan. Ulat hongkong belum dimanfaatkan secara maksimal, sementara ulat hongkong secara alami memiliki manfaat yang besar sebagai pengurai senyawa organik dan anorganik di alam, dari penelitian terakhir diketahui dapat mengurai styrofoam. Penelitian ini dilaksanakan pada Juli-Agustus 2016 di Laboratorium Zoologi Jurusan Biologi Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Lampung dengan tujuan untuk mengetahui kemampuan berbagai tingkatan stadium larva ulat hongkong dalam mengkonsumsi styrofoam. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL), dengan 10 instar larva ulat hongkong sebagai perlakuan dan 3 kali pengulangan. Data yang diperoleh dianalisis menggunakan Analisis Ragam (ANARA) dan dilanjutkan uji BNT (Beda Nyata Terkecil) pada taraf beda nyata 5% serta dilakukan analisis korelasi antara jumlah styrofoam yang dimakan dengan berat serta panjang ulat hongkong. Hasil analisis ragam menunjukkan bahwa pakan styrofoam mempengaruhi berat dan panjang ulat hongkong, serta lama stadium ulat hongkong (p < 0,05). Hasil analisis korelasi antara berat ulat hongkong dan jumlah pakan yang dimakan menunjukan adanya hubungan positif yang sangat kuat (r = 0,96), dan pada korelasi antara panjang ulat hongkong dan jumlah pakan yang dimakan menunjukkan adanya hubungan postif yang kuat (r = 0,66)
