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IRA TASKIRAWATI
Fakultas Kehutanan Universitas Hasanuddin
Aerospace Engineering Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences Other

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Journal : PERENNIAL

 1 
PELUANG INVESTASI USAHA BUDIDAYA KUTU LAK (Laccifer lacca Kerr): STUDI KASUS DI KPH PROBOLINGGO PERUM PERHUTANI UNIT II JAWA TIMUR Ira Taskirawati; F. Gunawan Suratmo; Dudung Darusman; Noor Farikhah Haneda
PERENNIAL Vol. 4 No. 1 (2008)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v4i1.179

Abstract

Lac insect (Laccifer lacca Kerr) is phytophogus insect, that feed on Kesambi Tree (Schleichera oleosa Merr). During its life cycle, lac insect has been producing secretion in liquid form, known as LAK and having many uses, such as varnish/polish, food cover, drug capsule, cassette ribbon, etc. In 2005, Perum Perhutani has produced 60.547 kg LAK pellets, but has not fulfilled yet market demand. Cultivation technique is still conducted in a very sampling, and easy to be studied. Investment in developing lac insect is also profitable, and promising. There are two choices of management schemes in it cultivate, the first is by infecting lac insect to the host tree when the tree is 15 years old (project I) and the second is by infecting lac insect when the tree is 4 years old (project I). Financially, the Project II is more beneficial than Project I, so that the investment for project II is reasonable to be done. The value of NPV+22.321.052.395, IRR 16.9%, BCR 1.55 and Net B/C 3.71 with discounted payback period for 10 year 8 months. Key words: Laccifer lacca Kerr, Schleichera oleosa Merr, investment opportunity, strategy in developing
MORPHOMETRIC ANALYSIS OF Coptotermes sp. POPULATION FROM TWO DIFFERENT NESTS Astuti Arif; Ira Taskirawati; . Affandi
PERENNIAL Vol. 6 No. 2 (2010)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v6i2.199

Abstract

The aim of this research is to study morphmetric variation of external anatomy of subterranean termite (Coptotermes sp.). The samples were collected from two different nests, i.e. Laboratory of Forest Product Engineering and Diversification, Hasanuddin University (site A) and Kompleks Perumahan Dosen Unhas, Tamalanrea (site B). Resulted data were statistically analyzed for mean, standard deviation, standard error and coefficient of variability. The mean values of the different population samples were compared by using student‘t’ test according to SPSS Ver.12. For each individual soldier and worker, 54 variables of external characters were measured. The result showed that some external characters of soldier and worker casts were significantly different with different locations. In soldier casts, eleven of 54 variables were found to be significant different in length and width of caput, length and width metathorax, mesothorax length, length and width of abdomens, scape length, flagellum width, femur width, and width tibia. Whilst, in worker casts, 11 of 54 variables were found to be significant different in mesothorax length, scape length, flagellum width, trochanter width, tibia length, tarsus length, and claw width. However, morph metric of external characters of Coptotermes sp. at two locations was generally relative same in terms of coefficient of variability. Key words: Morphometric analysis, Coptotermes sp.
KERAGAMAN JENIS JAMUR YANG MENYERANG TANAMAN MAHONI (Swietenia Macrophylla KING.) DI KAMPUS UNIVERSITAS HASANUDDIN MAKASSAR, SULAWESI SELATAN Sulvia Darmuh; Astuti Arif; Ira Taskirawati
PERENNIAL Vol. 14 No. 1 (2018)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v14i1.4998

Abstract

Many Mahogany (Swietenia macrophylla King.) is used as the main tree in the area or the forestry industry plans. If the tree is planted monoculture, the mahogany stand has become highly vulnerable to pest and diseases, because monoculture tree plantations are an abundant food source for both organisms. This study aims to determine the types of fungi that attacking and cause disease in plant parts mahogany. The result showed that there are ten species of fungi that attack mahogany. Seven of them have been identified while the other cannot be identified. Fungi are attacked or negative associations in the roots, stem, leaves and fruits of plant mahogany. The seven species of fungi are Rhizopus arrhizus Fischer; Mucor racemosus Fres; Mycgone rosea Link; Absidia corymbifera (Cohn.) Sacc and Trotter; Monilia sitophila (Mont.) Sacc; Cladosporium spharospermeum Penzig; and Myrothecium verrucaria (Orig.). Fungi that attack the roots of the tree are A. corymbifera (Cohn.) Sacc and C. spharospermeum Penzig. M. rosea Link and M. sitophila (Mont.) Sacc attacking the leaf. R. arrhizus Fischer and M. verrucaria (Orig.) attacks the stems of trees while Mucor racemosus Fres. Attacking the fruit of mahogany. Fungi that cannot be identified are a fungus that attacks the stems and leaves. Key words: Switenia macrophylla King, Fungi
POTENSI DAN PEMANFAATAN TANAMAN AREN (Arenga pinnata) DENGAN POLA AGROFORESTRI DI DESA PALAKKA KECAMATAN BARRU KABUPATEN BARRU Syarifah Majnah Ruslan; Baharuddin Baharuddin; Ira Taskirawati
PERENNIAL Vol. 14 No. 1 (2018)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v14i1.5000

Abstract

Non-Timber Forest Products (HHBK) are part of the forest ecosystem that has a role to nature as well as to humans. One of the HHBKs that has high economic value and is one of the rural livelihoods of the community is Aren. This study aims to determine the potential and utilization of palm trees (aren) in Palakka Village Barru District Barru . The methods used are survey method and interview. Data analysis includes the potentials of sugar palms and description of the result of interview about the utilization of palm trees in Palakka village, Barru regency. The results showed that Palakka village has 15 palm trees that can already be in production, and 45 palm trees that have not been produced. Respondents utilize palm crop products as brown sugar and palm wine, other uses of palm trees that their fiber (ijuk) can be utilized to make palm-fiber broom; and the leaves are used as a funnel, roof of the house and palm-stick brooms. Key words: Potency, Utilization, Aren, Agroforestry
PEMANFAATAN LIMBAH SERBUK KAYU JATI (Tectona grandis) SEBAGAI MEDIA TUMBUH JAMUR TIRAM (Pleurotus ostreotus) Muhammad Ilyas; Ira Taskirawati; Astuti Arif
PERENNIAL Vol. 14 No. 2 (2018)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v14i2.5642

Abstract

Teak particle produced from sawmill industrial waste can be used as an alternative raw material for growing mushroom media. This study aims to get the productivity of oyster mushrooms that grow on teak particle growing media. The first treatment was carried out on teak particle before the particle was mixed with other ingredients, namely soaking teak particle using hot water (each for one, two and three hours) and cold water (each for five, seven and nine days). Soaking of teak particle influences the rate of fungal mycelium closure, the time of appearance of the mushroom fruit body, the fresh weight of mushrooms and the amount of mushroom harvest in each blog. On nine days of cold soaking, the blog is entirely covered by fungal mycelium on the 28th day, the mushroom fruit body appears on the 32nd day, the average fresh weight of mushrooms harvested 90 g and in one blog can collect mushrooms 2-3 times. The treatment of soaking wood particle in cold water for nine days showed better results compared to controls and other treatments.Key words: Pleurotus ostreotus, Tectona grandis, growing media
KERAGAMAN JAMUR PADA LOG DAN KAYU GERGAJIAN NYATOH (Palaquium sp) Iramayana Iramayana; Ira Taskirawati; Astuti Arif
PERENNIAL Vol. 15 No. 1 (2019)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v15i1.6729

Abstract

Wood is one medium that can be a place to grow fungus. The chemical components forming wood in the form of holocellulose and lignin which can be overhauled by fungi into simple compounds are a food source for the fungus. This study aims to identify the type of fungus that grows on the log and or sawn wood of Palaquium sp so that it can provide information about the diversity of fungal species, both useful and those that are pathogenic. The process of identifying mushrooms is done by observing the macroscopic and microscopic characteristics of the fungus. The macroscopic characteristics observed were mushroom color and mushroom fruit body shape. Observations of microscopic features include hyphae, spores, sporangium, conidia, and conidiophores. Macroscopic and microscopic observations identified eight types of fungi that grow on real wood, namely Dacryopinax spathularia, Pycnoporus sanguineus, Schizophyllum commune, Cunninghamella echinulata, Penicillium, Trichoderma, Absidia ramosa and Aspergillus. There are six types of fungi which are wood rot fungi, namely D. spathularia; P. sanguineus; S. commune; Penicillium, Trichoderma, and Aspergillus. The other two types are coloring fungi, namely C. echinulata and A. ramosa.
POTENSI DAN PEMANFAATAN TANAMAN BAMBU PADA LAHAN MASYARAKAT DI DESA KADING KABUPATEN BARRU Miftahul Jannah; Baharuddin Baharuddin; Ira Taskirawati
PERENNIAL Vol. 15 No. 2 (2019)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v15i2.7455

Abstract

Non-wood forest products (NTFPs) are the result of the forestry sector are still very much needed by the world and can be an opportunity to add value to the economy, especially in the forestry sector. This study aims to determine the potential and utilization of bamboo on community land in Kading Village, Tanete Riaja District, Barru Regency. There are two data collected in this study; they are potential data and bamboo plant utilization data. Potential data collection in this study was carried out in three stages, namely mapping the distribution point of a bamboo clump, collecting data on an area of farmer's garden that has bamboo, and counting the number of bamboo groves on the respondent's bamboo land. Candid interviews with 30 bamboo landowners obtained the data on the use of bamboo plants. The total area of community land covered with bamboo in Kading Village is 7.29 ha with 250 clumps consisting of 2,203 bamboo shoots, 5,345 young bamboo, and 4,532 old bamboos.
KERAGAMAN JENIS RAYAP PADA LAHAN PEMUKIMAN DENGAN BERBAGAI KELAS UMUR BANGUNAN Arung Ezra Hasman; Musrizal Muin; Ira Taskirawati
PERENNIAL Vol. 15 No. 2 (2019)
Publisher : Forestry Faculty of Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v15i2.7637

Abstract

Rayap adalah organisme yang telah banyak ditemukan di daerah pemukiman, menjadikan komponen kayu dalam bangunan rumah sebagai sumber makanan dan tempat tinggal dengan kondisi lingkungan yang sesuai. Sifatnya yang merusak menjadikan rayap sebagai salah satu organisme yang menyebabkan kerusakan pada bangunan. Penelitian ini bertujuan untuk mengetahui keragaman jenis rayap pada tiap kelas umur bangunan rumah yang berada pada wilayah perumahan. Tahapan penelitian ini meliputi: (1) Penentuan lokasi penelitian menggunakan metode purposive sampling; (2) Pengambilan, koleksi, dan pengawetan sampel menggunakan cara Finding Colony dan Casual Collection; (3) Pengamatan rayap dengan mengidentifikasi ciri morfologi; dan (4) Analisis data menggunakan indeks Shannon-Wiener (H’) untuk menghitung keragaman jenis rayap. Hasil penelitian menunjukkan bahwa keragaman jenis rayap pada Perumahan Bumi Tamalanrea Permai terdiri atas 3 jenis, yaitu Microcerotermes serrula, Coptotermes sp., dan Schedorhinotermes sp. Tingkat keragaman jenis rayap pada tiap kelas umur bangunan tergolong rendah dimana keragaman jenis rayap pada kelas umur bangunan <8 tahun bernilai 0, umur bangunan 8-16 tahun bernilai 0,39 dan >16 tahun bernilai 0,43. Pada keseluruhan titik lokasi, jenis rayap yang paling sering ditemukan adalah Microcerotermes serrula.
Co-Authors . Affandi . Agussalim . Bakri . Suhasman A Agussalim Agussalim Agussalim Andi Detti Yunianti Andi Detti Yunianti Andi Detti Yunianti Andi Hurul Auni Usman Andi Prastiyo Arung Ezra Hasman Astuti Arif Aswar Aswar Baharuddin Baharuddin Baharuddin Baharuddin Baharuddin Baharuddin Baharuddin Basran Nur Basir Beta Putranto Budirman Bachtiar Budirman Bahtiar Djamal Sanusi DUDUNG DARUSMAN Dudung Darusman F. Gunarman Suratmo F. Gunawan Suratmo Fadhli Dzil Ikram Iramayana Iramayana Karmila Marwan Rajab Ma’rifa Baharuddin Meta Dilianti Palimbunga Miftahul Jannah Muhammad Ilyas Munawwarah Nawir Musrizal Muin Musrizal Muin Musrizal Muin Noor Farikhah Haneda Nurfadilah Latif S Suhasman Sitti Nuraeni Sitti Nuraeni Suhasman Suhasman Sulvia Darmuh Syahidah Syahidah Syarifah Majnah Ruslan