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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Teknologi Dan Industri Pangan FORUM STATISTIKA DAN KOMPUTASI Jurnal Primatologi Indonesia Forum Pasca Sarjana Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Indonesian Journal of Forestry Research Buletin Penelitian Tanaman Rempah dan Obat Buletin Penelitian Tanaman Rempah dan Obat JURNAL HUTAN TROPIS

Latifah K. Darusman

Unknown Affiliation

Author-ID : 305156

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Mathematics Medicine & Pharmacology

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Pertumbuhan, Produksi dan Kandungan Triterpenoid Dua Jenis Pegagan (Centella asiatica L. (Urban)) Sebagai Bahan Obat pada Berbagai Tingkat Naungan Ani Kurniawati; Latifah K. Darusman; Rani Yulie Rachmawaty
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 3 (2005): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The research was aimed to determine the optimum shading level and effect two types of Indian Pennywort (Centella asiatica L. Urban)) on growth, production, and triterpernoid. The research was conducted on March until November 2004 at BIOFARMAKA Research Station, Darmaga and chemical analysis was conducted at Analytical Chemistry Laboratory, FMIPA, Baranangsiang. Split plot design with two factors was used in this experiment. The first factor was shading level as main plots consisting of 0, 25, 55, and 75% shading level. The second factor was type of Indian Pennywort as subplots consisting of big and small Indian Pennywort. Result of the reseach showed that shading effects decrease leaf area indeks, yield, and composition of triterpenoid content of Indian Pennywort. No shading treatment showed optimum growth and yield. The combination of 25% shading and small type of Indian Pennywort gave the highest triterpenoid content. Both types of Indian Pennywort showed best growth; the difference in length of petiole, number of leaf and shoots but the small one gave the best yield. Key words : Indian Pennywort type, shading level, triterpenoid

Pengaturan Pembungaan Tanaman Manggis (Garcinia mangostana L.) di Luar Musim dengan Strangulasi, serta Aplikasi Paklobutrazol dan Etepon I Nyoman Rai; Roedy Poerwanto; Latifah K. Darusman; Bambang S. Purwoko
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 32 No. 2 (2004): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of the research was to study the application of strangulation, packlobutrazol and ethephon to stimulate flowering of mangosteen trees. The experiment was conducted from June 2002 to September2 003, located at Farmer's Mangosteen Orchards, Leuwiliang, Bogor. A randomized block design with two factors was used in thisexperiment. The first factor was treatments to stimulate flowering consisted of three levels i.e strangulation (8), (S) application of paclobubtrazol (P) and control (K). The second factor was treatments for dormancy breaking consisted of two levels i.e without ethephon (Eo) and with ethephon (EiJ. Each treatment was replicated four times. The resultshowed that strangulation and application of paclobutrazol were effective in stimulating flowering of mangosteen trees. Those treatments decreased gibberellic acid content and increased total sugar and C: N ratio. Interaction effect was found between treatments to stimulate flowering and ethephon on number of flowers, number of fruits and weight of fruits per tree. The highest fruits weight (2.,50 kg/tree) was obtained on the combination of paclobutrazol with ethephon while the lowest was in control without ethephon( 6.05 kg/tree).Key words: Mangosteen, Strangulation, Paclobutrazol, Ethephon, Flowering;

Studies on Dormancy Periods and Growth Rhythm of Shoot and Root of Mangosteen (Garcinia mangostana L.) Ramdan Hidayat; Achmad Surkati; Roedhy Poerwanto; Latifah K. Darusman; Bambang S. Purwoko
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 33 No. 2 (2005): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Mangosteen has a good prospectus for international market. Many people in the world like this fruit because it is delicious, has high nutrient contents, and it can be consumed as a fresh fruit. The growth of mangosteen is very slow with a very long juvenile period because of its long dormancy period. The objective of this research was to study the dormancy periods and growth rhytm of shoot and root of young and adult mangosteen seedlings. The research used completely randomized design and consisted of two experiments. The first experiment was to study the dormancy and flushing periods. The second experiment was to study the growth patterns of shoot and root foom several ages of mangosteen seedlings. This research was conducted at Mekarsari Fruit Park, Cileungsi, Bogor. The result of the experiment showed that two years old of mangosteen seedling had 5 flushes per year, four years old of mangosteen had 3-4 flushes per year, and eight years old of mangosteen only had 2 flushes. Dormancy periods were significantly different between 2,4 and 8 year of mangosteen seedling. After the seedlings have branches, the dormancy periods become twice as many as that before branching. The roots grew rapidly two weeks before flush and slower after flush occurred. Key words: Garcinia mangostana, dormancy, flush, seedling

Co-Authors ABIMANYU D. NUSANTARA Achmad Surkati Agus Mohamad Soleh Ani Kurniawati Atang Sutandi Bambang S. Purwoko BIBIANA W LAY Deddy Muchtadi Dondin Sajuthi Ervizal AMZU Gunawan Pasaribu Herdini . Hermanto Hermanto Hidayat Syarief I NYOMAN RAI Irdika Mansur ISKANDAR ZULKARNAEN SIREGAR Kissinger Kissinger Mohamad Rafi Munif Ghulamahdi Nurhasanah . Nurliani Bermawie Purwantiningsih Sugita Ramdan Hidayat Rani Yulie Rachmawaty Rimbawan , Roedhy Poerwanto Roedy Poerwanto SOEDARMADI SOEDARMADI Sri Anna Marliyati Sulistiyani . Surjono Hadi Sutjahjo Trini i Susmiat Trini Susmiati Wasrin Syafii

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