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BERITA BIOLOGI

berita_biologi
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Published by Lembaga Ilmu Pengetahuan Indonesia

ISSN : - EISSN : - DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Articles 2,125 Documents

79 80 81 82 83

RUMPUT2 DIPULAU PEUTJANG (UDJUNG KULON) Soenarko, Soejatmi
BERITA BIOLOGI Vol 1, No 3 (1971)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Penelitian vegetasi dan ekologi P. Peutjang telah dilakukan sedjak tahun 1958 dan beberapa karangan ilmiah telah diterbitkan mengenai ini (Kartawinata,1963; Surianegara, 1969).Dalam karangan2 itu hanja satu djenis rumput sadja jang disebutkan, ialah Ischaemum muticum. Dibawah ini disadjikan tjatatan djenis2 rumput jang tumbuh di P. Peutjang, berdasarkan koleksi jang ada

HOW TO PREDICT THE BLOOMING OF THE GIANT CORPSE INFLORESCENCE Amorphophallus titanum (Becc.) Becc. ex Arcang [Prediksi Mekarnya Bunga Bangkai Raksasa Amorphophallus titanum (Becc.) Becc. ex Arcang] Latifah, Dian; Wawangningrum, Hary; Hartini, Sri; Munawaroh, Esti
BERITA BIOLOGI Vol 14, No 2 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The giant corpse inflorescence (Amorphophallus titanum) is native to Indonesia. It is one of the flagships of The Center for Plant Conservation Bogor Botanic Gardens, Indonesian Institute of Sciences (LIPI) to raise public awareness for saving plants from extinction and caring the living environment. The blooming of the giant inflorescence attracts many visitors. Therefore, one of the research focuses of Amorphophallus titanum is how to predict the blooming-time in order to inform visitors earlier. The results of this study can be used as the basic information to predict the blooming of the inflorescences. Previous researchers had tried to predict the blooming based on firstly, the differential diagnostics of an inflorescence bud and leaf bud, and secondly, the growth pattern of the flowering bud from one individual sample only; whereas, our results suggested new findings. In this research, the prediction was examined from 2011-2012 on five individual samples planted in Bogor Botanic Gardens. We suggested that (1) the differential diagnostics of an inflorescence bud and leaf bud were not only based on the early bud shapes but also the growth rate, and (2) our results supported Lobin?s findings by providing a statistical formula for growth pattern of the flowering bud.

PENGUJIAN INOKULUM NASI BUBUK DI LAPANGAN SASTRAATMADJA, DUDI D.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1369

D.D. SASTRAATMADJA, 1987. Testing of rice meal inoculum in the fields Suppl.Berita Biologi 3:1-5.With the aim of testing and using of inoculum by users, studies of the using of inoculum rice powder for oncom production have been carried out.The experiment utilized different kinds of inoculum which contained some strains of Neurospora spp., Mucor spp.,and Rhizopus spp.have been done at several places of oncom producers in Bandung and Bogor.The quality of products were evaluated by analyzing of organoleptic test, texture and growth of mold comparing with local oncom. The results obtained in the experimentshowed that product made by using one strain of Neurospora spp., more liked moderately and having good mold growth, finely conpact and soft texture comparing with the other products and local red oncom in Bandung and Bogor.Besides that all of the strains of Mucur spp., produced good quality of oncom comparing with local black oncom.But all of the strains of Rhizopus spp., did not capable making good quality cf oncom. About the utilizingof powder inoculum by users in general must be fuether more investigated.

FITOKIMIA DAN FARMAKOLOGI CENDANA (Santalum album L.) Agusta, Andria; Jamal, Yuliasri
BERITA BIOLOGI Vol 5, No 5 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Dalam peradaban timur, cendana telah digunakan secara tradisional semenjak 4000 tahun yang Ialu. Minyak atsiri yang diperoleh dari kayu cendana digunakan dalam upacara keagamaan dan sebagai obat-obatan. Dalam kebudayaan barat, cendana hanya digunakan sebagai bahan parfum kelas utama. Bam setelah tahun 1920-an, sejalan dengan perkembangan aromaterapi, bangsa barat mulai memanfaatkan cendana sebagai bahan obat-obatan. Minyak atsiri adalah substansi kimia yang membuat cendana menjadi berharga, baik secara ekonomi, bahan obat dan bahan parfum. Setiap bagian tumbuhan cendana memiliki kandungan minyak atsiri yang bervariasi. Bagian akar memiliki kandungan minyak tertinggi, yaitu 10 %, kemudian diikuti oleh bagian teras batang (4-8 %) dan ranting (2-4 %). Delapan puluh sampai 90% dari minyak cendana terdiri dari senyawa santalol dengan isomer a-santalol dan p-santalol sebagai komponen utama. Dalam perdagangan intemasional, minyak cendana kelas satu haruslah mengandung santalol minimal 90% dari kandungan total minyaknya. Dalam aromaterapi minyak cendana dikenal sebagai salah satu bahan alami yang berkhasiat sebagai sedatif, relaksasi dan mengatasi kasus insomnia serta serangan asma. Laporan terakhir juga menyebutkan bahwa minyak cendana bersifat menghalangi efek karsinogenik dari zat kimia. Alpha-santalol sebagai komponen utama minyak cendana dapat mengurangi kasus papiloma (tumor kulit) sebesar 32 %.

SEED GERMINATION OF THE CORPSE GIANT FLOWER Amorphophallus titanum (Becc.) Becc. Ex Arcang: THE INFLUENCE OF TESTA [Perkecambahan Biji Bunga Bangkai Raksasa Amorphophallus titanum (Becc.) Becc. ex Arcang: Pengaruh Testa] Latifah, Dian; Purwantoro, RS
BERITA BIOLOGI Vol 14, No 1 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Amorphophallus titanum is famous as the gigantic inflorescense and economically prospective due to its 20% glucomannan contents.Various cultivation techniques including germination have been conducted due to the delay in the seed germination of Amorphophallus titanum. Previous studies revealed that A. titanum seeds has not produced faster and better germination rate.Therefore this research was aimed to test the following hypotheses: (1) Fruit pericarp and the pericarp inhibited the germination,(2) testa/seed coat inhibited germination, (3) GA3hormone promoted the germination rate.The germination pattern was also monitored. The experiments consisted of:Experiment 1: sowing the fruit with the seeds inside and Experiment 2 with two treatments: testa peeling and GA3 hormone treatments. The results of Experiment 1 showed that the fruit pericarp and the pericarp inhibited the germination for 124 days. Experiment 2 resulted in: (1) the delay of the germination for 7-35 days caused by the testa/seed coat, (2) GA3 hormone promoted the germination rate 2.19 coefficient of germination rate; and higher GA3 (1000 ppm) may enhance the seedling growth (reached the highest 23.6 ± 1.3).We also recorded developmental stages from the seed germination, first-leaf emergence and tuber development in series of photographs overtime during the experimental period.

VEGETASI ALAMI DAN PERUBAHANNYA SETELAH 22 TAHUN (1986 - 2008) DI HUTAN TANAMAN Altingia excelsa Noronha CANDIKUNING-BALI Siregar, Mustaid; Undaharta, Ni Kadek Erosi
BERITA BIOLOGI Vol 13, No 2 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Research at the three locations of Altingia excelsa Noronha plantations in Candikuning, Bali has been carried out to examine the changes in vegetation that grows naturally in the low layer after 22 years (1986 -2008). The results showed that 40 species of seedling, and 4 species of shrubs and young trees were found in three plots of the plantation forest. Compared to the results of the previous study, 22 years before the present study (1986), species richness was decreased dramatically accompanied by changes in species composition. Crown cover of herbs group were decreased, but shrubs and young trees were increased except for the plot 1938 due to edge effects. Lightdemanding species were disappeared and replaced by shaded-tolerant species. The primary tree species which are commonly found in the surrounding natural forest and previously found in research plots had been disappeared, and replaced by late secondary tree species, and seedlings of A. excelsa which is actually animmigrant species. Succession under the plantation forest of A. excelsa are generally slow.

HABITAT PRIMATA DI STASIUN PENELITIAN KETAMBE, TAMAN NASIONAL G. LEUSEUR, ACEH MIRMANTO, EDI
BERITA BIOLOGI Vol 3, No 5 (1986)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

EDIMIRMANTO.1986, The habitat of primates at the Ketambe Research Station, G. Leuseur National Park, Aceh. Berita Biologi 3(5): 232-239.A phytosociological analysis of the habitat of primates in Ketambe area, was conducted, using point-centered quarter method.Three groups of samples in ordination of Bray & Curtis were recognized.The groups are represent three community types, i.e. Aglaia-Paranephelium community, Dysoxylum-Aglaia community and Shorea Parashorea community.These three community types are useful for their survival of primates, as source of food as well as transportation support.

MORFOLOGI MULUT DAN SALURAN PENCERNAAN SERANGGA PEMAKAN TUMBUHAN DAN PEMANGSA RAHAYUNINGSIH, Y.; ADISOEMARTO, S.; NOERDJITO, W.A.
BERITA BIOLOGI Vol 2, No 9&10 (1984)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Walaupun diketahui bahwa makanan serangga menentukan berbagai bentuk mulut dan saluran pencemaannya, hubungan keanekaragaman jenis makanan dan keanekaragaman fungsi dan bentuk mulut seita saluran makanan belum banyak diketahui.Padahal pengetahuan ini mempunyai segi terapan yang beiguna, misalnya dalam membantu menentukan peranan serangga di suatu lingkungan. Kekhasan modifikasi bagian-bagian mulut diharapkan dapat dipakai untuk mencirikan kelompok pemiliknya. Dalam tahap permulaan penelitian morfologi mulut dan saluran pencernaan dilakukan terhadap serangga bermulut pengunyah dan penusuk-pengisap tumbuhan .serta mangsa. Hasil yang diperoleh dimaksudkan untuk menambah data mengenai bagian-bagian mulut dan saluran pencernaan (Snodgrass l935;Metcalf etal. 1962; Nasution 1972) danmenambah data yang dapat digunakan untuk membedakan serangga pemakan tumbuhan dari pemangsa.

LARVA CACING BERKEPALA DURI Monoliformis dubius (ACANTHOCEPHALA: MONOLIFORMODAE) PADA KECOA, Periplaneta ameticana DI PERMUKIMAN KODYA BOGOR Purwaningsih, Endang
BERITA BIOLOGI Vol 4, No 2&3 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

PENGARUH PEMBERIAN JERAMI PADI TERHADAP PERTUMBUHAN TANAMAN PADI (Oryza sativa) DI TANAH SULFAT MASAM Fahmi, Arifin
BERITA BIOLOGI Vol 10, No 1 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The objective of the experiment was to investigate the effect of rice straw application on the growth of rice in two conditions of acid sulphate soils. An experiment was conducted in the glass house consisting of three treatment factors using the completely randomized design with three replications.The first factor was soil condition consisting of continuous application of rice straw and without application of rice straw during the last 5 years. The second factor was fresh application of rice straw consisting of application and without application, whereas the third factor was P application consisting of 3 rates of SP - 36 fertilizers.Parameters measured were plant height, tiller number and Fe toxicity score. Measurement were conducted at 2, 4, 6 and 8 weeks after planting. Plant dry weight and P concentration in plant tissue were determined at 8 weeks after planting. The result showed the main effect of rice straw application was significant decrease on the tiller number of the rice plant at 2, 4 and 6 weeks after planting, whereas significant on plant height was observed at 2 and 4 weeks after planting. Based on the scoring of degree of Fe toxicity, it was concluded that the rice plant did not exhibit any effect of Fe toxicity.

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