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Journal : PERENNIAL

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
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
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