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IRA TASKIRAWATI
Fakultas Kehutanan Universitas Hasanuddin
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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Journal : PERENNIAL

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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.
AKTIVITAS ANTI JAMUR EKSTRAK KULIT KAYU Lannea coromandelica UNTUK MENGHAMBAT PERTUMBUHAN JAMUR PELAPUK KAYU Auricularia auricula- judae: Antifungal activity test of Lannea coromandelica tree bark extract to inhibit the growth of Auricularia auricula-judae Ayudya, Windy; Rusman, Diva Amanda; Taskirawati, Ira; Arisandi, Heru; Haspian, Haspian; Musdalipa, Musdalipa
PERENNIAL Vol 18 No 2 (2022): Vol. 18 No. 2, Oktober 2022
Publisher : Forestry Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v18i2.24029

Abstract

Increased attention to the environment causes the need for alternative preservatives to replace synthetic preservatives. Using plant extracts containing antifungal compounds can be an alternative to reducing the use of wood preservative chemicals. This study aimed to analyze the efficacy of the bark of Lannea coromandelica against the rot fungus Auricularia auricula-judge and to obtain an adequate concentration of preservative which can later be used as a natural preservative in wood from community forests. The method used in this research is divided into three stages. The first stage begins with the process of preparing raw materials. The second stage is to carry out the process of extracting the bark of Java. The last stage of this research is to test the effectiveness of antifungals in Java bark extract. Java bark extract was tested at various concentrations, namely 5 ppm, 10 ppm, 15 ppm, 20 ppm, and 25 ppm, and the control without extract. Each treatment was repeated five times. This study showed that Java bark extract at concentrations of 5 ppm, 10 ppm, 15 ppm, 20 ppm, and 25 ppm could inhibit the growth of the fungus Auricularia auricula-judge. It was indicated by the absence of hyphae that grew after 16 days of observation.
Efektivitas Daun dan Buah Pinus merkusii sebagai Bahan Pengawet Anti Jamur Auricularia auricula-judae: Effectiveness of Pinus Merkusii Leaves and Fruits as Antifungal Preservative Auricularia auricula-judae Arista, Andi Sindy Wahyuni; Taskirawati, Ira; Agussalim, A
PERENNIAL Vol 18 No 2 (2022): Vol. 18 No. 2, Oktober 2022
Publisher : Forestry Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v18i2.26668

Abstract

Chemicals such as chromium, arsenic, and kreosot which are carcinogenic and toxic which are harmful to health and the environment are generally used in wood preservatives. Thus, natural preservatives from plant extracts need to be developed to replace these synthetic preservatives. Pine leaves and nuts are known to contain phenolic compounds in which these compounds are known to inhibit the cycle and development of fungi. The purpose of this study was to analyze the efficacy of powdered leaves and pine nuts (P. merkusii) against rotting fungus Auricularia auricula-judae. This research method uses testing for water content, the extract is made by means of fruit and leaf powder each as much as 150 g is put into a beaker containing 900 ml of methanol solution with a ratio of 1:6 powder and methanol solvent, soaked for ± 3x24 hours, filtered until the filtrate is clear, and evaporated with a rotary vacuum evaporator. After that, the extract was evaporated again in a water bath at 45°C for 48 hours to dry. The yield is then weighed and calculated. Preparation of leaf and fruit powder concentrations. At concentrations of 25 ppm, 50 ppm, 75 ppm and 100 ppm. The efficacy test of P. merkusii leaf and fruit powder against rot fungi consisted of five treatments, with 45 petri dishes as samples and each treatment consisted of five replications. The results of the research that had been carried out obtained an AFA value of 100% indicating that the powdered leaves and fruit of P. merkusii had antifungal activity which was included in the very strong classification. At a concentration of 25% powdered leaves and pine nuts can already inhibit the growth of the fungus Auricularia auricula-judae.
Co-Authors . Affandi . Bakri . Suhasman A Agussalim A Agussalim Agussalim Agussalim Agussalim, . Agussalim, Agussalim Anastasya, Marsela Andi Detti Yunianti Andi Detti Yunianti Andi Detti Yunianti Andi Hurul Auni Usman Andi Prastiyo Andi Sadapotto Arisandi, Heru Arista, Andi Sindy Wahyuni Arung Ezra Hasman Astuti Arif Astuti Arif Aswar Aswar Ayudya, Windy 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 Gusmiaty Gusmiaty, Gusmiaty Halimah Larekeng, Siti Haspian, Haspian Iramayana Iramayana Iswanto Iswanto Karmila Latif, Nurfadilah Marwan Rajab Ma’rifa Baharuddin Meta Dilianti Palimbunga Miftahul Jannah Muchtar, Andi Asikin Muhammad Ilyas Mujetahid, Andi Munawwarah Nawir Musdalipa, Musdalipa Musrizal Muin Musrizal Muin Musrizal Muin Noor Farikhah Haneda Nur Fauziah Nurfadilah Latif Prastiyo, Andi Rusman, Diva Amanda S Suhasman Sahriyanti Saad Sitti Nuraeni Sitti Nuraeni Sitti Nuraeni Suhasman Suhasman Suhasman, Suhasman Sulvia Darmuh Supratman Supratman, Supratman Syahidah Syahidah Syahidah, S. Syahidah, Syahidah SYAMSU ALAM Syarifah Majnah Ruslan Tirtayasa Putra Pangestu, Kidung Umar, Andini Maylana Yogi Anang Budiman