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INDONESIA
Jurnal Wasian
Published by Universitas Muhammadiyah Makassar
ISSN : 23559969     EISSN : 25025198     DOI : doi.org/10.62142
Core Subject : Science, Education, Social,
Earth & Planetary Sciences Environmental Science Physics Other
The Wasian Journal dedicates itself to advancing scientific research that significantly contributes to the conservation of natural resources and the sustainable transformation of landscapes. Our goal is to support the long-term ecological balance and resilience of forests and land. We are committed to publishing cutting-edge research that is innovative and open to rigorous scholarly debate, maintaining the highest standards of quality.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 6 Documents
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Search results for , issue "Vol. 2 No. 2 (2015): December" : 6 Documents clear
Ethnic Influence Against Land Use Patterns and Its Contribution to Community Income in The Aketajawe Lolobata National Park (Pengaruh Etnis Terhadap Pola Pemanfaatan Lahan Dan Kontribusinya Bagi Pendapatan Masyarakat Di Taman Nasional Aketajawe Lolobata) Lis Nurrani Lis Nurrani; Halidah Halidah; Supratman Tabba Supratman
Jurnal Wasian Vol. 2 No. 2 (2015): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/wpsk4k29

Abstract

Buffer zone management is an integrated practice of managing forest and agriculture land based on biophysical nature of region and social-culture combination to obtain an optimum forest and agriculture products that support local livelihood economy. The study was to identify the community land use patterns that shapes the buffer zone of Aketajawe Lolobata National Park particularly at Aketajawe block. Sampling villages were determined by stratification based on the distance from the National Park boundary which varied between <3,3-5, and > 5 km. The purposive random sampling was chosen 82 respondents to be interviewed. Land use pattern which applied by communities were divided into six groups according to cultivated commodities i.e. community forest, mixed garden, monoculture garden, intercropping garden, horticulture and rice fields. The differences of these patterns were influenced by background and origin of communities. The indigenous people of Halmahera island used their land as mixed garden while the settler used theirs as rice field and horticulture. Based on the land cover quality, mixed garden pattern was more similar to forest vegetation than another pattern. Rice field pattern gave the largest economic contribution while community forest gave the lowest contribution to the farmer’s income.
Growth of 5 Provenances at 6 Months Old Alstonia Scholaris in Sumber Klampok, Bali (Pertumbuhan Lima Provenan Pulai Gading (Alstonia Scholaris) Umur 6 Bulan di Sumber Klampok, Bali) Mashudi Mashudi
Jurnal Wasian Vol. 2 No. 2 (2015): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/wym92p60

Abstract

Alstonia scholaris (L.) R.Br. is one of native and fast growing species in Indonesia. This species is potential for forest plantation. Its wood can be used for boxes, matches, heelpiece, crafts (mask and puppet), pencil slate, and pulp. This paper aims to study the growth of Alstonia scholaris at 6 month old in Sumber Klampok, Bali. This experiment was arranged in a randomized complete block design with provenances as treatment. The research used 5 provenances, i.e. Lombok (NTB), Jayapura (Papua), Solok (West Sumatera), Timor (NTT) and Bali. Material genetic from 46 parent trees were used and we observed 4 seedling of each patent trees with 6 replications. The result showed that provenances of Bali, Lombok dan NTT were the best provenances for survival rate, height, and stem diameter.
Identification of causes of red leaf spot on red jabon (anthocephalus macrophyllus roxb.) Havil) seeds in kima atas permanent nursery, forestry research institute of manado Hanif Nurul Hidayah Hidayah; Illa Anggraeni Anggraeni
Jurnal Wasian Vol. 2 No. 2 (2015): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/c10z6665

Abstract

Fulfillment the needs of Red Jabon (Anthocephalus macrophyllus (Roxb.) Havil) seeds on the other hand can create an unbalanced ecosystem. The availability of red Jabon seed was becoming a source of food for pests, then it causes an explosion of pests and pathogens. The disease that most often affect red Jabon seeds, both in the nursery and in the field was red leaf spot (antraknose). The initial step to control red leaf spot disease is the identification of causing. Identification method performed by observation of the symptoms in the field, followed by microscopic observation in a laboratory. Based on the identification result, it was known that the disease caused by the fungus Cercospora sp., Colletotrichum sp. and Pestalotia sp. The effect caused by those fungal pathogens was the disruption of the photosynthetic process that ultimately inhibits the growth of red Jabon seeds. The controls which have been done are arranged the watering intensity, isolated the infected seed,and applied the chemical fungicide.
Variation in Growth Traits of Ironwood (Eusideroxylon zwageri T. ET B.) Progeny Trial in Bondowoso Prastyono Prastyono; Mudji Susanto Susanto
Jurnal Wasian Vol. 2 No. 2 (2015): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/64rkka15

Abstract

The estimation of genetic parameters for stem diameter and plant height of ironwood (Eusideroxylon zwageri T. et B.) was conducted in a progeny trial in Bondowoso, East Java at the age of 5,5 years. The trial was arranged in an incomplete block design, which comprised of 49 families from three provenances (Batanghari, Berau and Kutai Kertanegara) with 4 replications and single tree plot. Families of Batanghari provenance showed the best growth of stem diameter and plant height compared with another provenance. There was significant difference in plant height between families within provenance, whereas stem diameter was not significantly different both of between provenance as well as between families within one provenance. Non-genetic or environmental factors provide considerable influence on plant growth in the progeny test of ironwood until the age of 5.5 years; it was indicated by the residual variance component. Individual heritability for plant height was considered as high (0.37) and stem diameter was considered as moderate (0.26). There was a strong genetic correlation between the stem diameter and plant height (0.95). This information is very important for future genetic improvement of ironwood.
Identification Causes Leaf Spot Disease in Cempaka (Magnolia elegans (Blume.) H.Keng) Seedling and Its Control Techniques Arif Irawan Irawan; Illa Anggraeni Anggraeni; Margaretta Christita Margaretta
Jurnal Wasian Vol. 2 No. 2 (2015): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/mhayeq96

Abstract

This research purposes to identify the pathogen causing leaf spot in cempaka seedling and its control technique. Identify cause of disease is necessary to know precise technique control. Identification of disease was conducted in macroscopic appearances and microscopically to determine pathogens. Identification is done by using the determination key of fungi. The results showed that the early signs of leaf spot disease on cempaka seedlings in the nursery are streaks or spots on the leaf surface with distinct boundaries. Leaf spots are formed generally brown surrounded by darker boundaries. The result shows leaf spot disease on cempaka seedling was caused by fungal pathogen Colletotrichum sp. Techniques for controlling the disease can be done by isolating the infected seeds, reducing the intensity of canopy, and using the appropriate fungicides.
Composition and Structure of Tiwoho Mangrove Vegetation at Bunaken National Parkional Park (Komposisi Dan Struktur Vegetasi Mangrove Tiwoho di Kawasan Taman Nasional Bunaken) Supratman Tabba Supratman; Nurlita Indah Wahyuni Nurlita; Hendra Susanto Mokodompit Hendra
Jurnal Wasian Vol. 2 No. 2 (2015): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/n8859p33

Abstract

Tiwoho mangrove forest islocated in north coast of North Sulawesi province.This area functions as life buffer system for community and sustainability of Bunaken National Park. Due to the important and strategic roles of mangrove in protection and ecological functions, therefore, it is needed to know scientific information about mangrove population dynamics. This research aims to know the vegetation composition and structure vegetation of Tiwoho mangrove forest. Data collection used 20x20 m sample plots that were sistematically laid from the sea to the land side up to the highest tidal line. Distance between plots along 25 m. Results showed that at tree level Sonneratia alba had the highest Important Value Index (IVI) of 206,88 % and Brugueira sp of 46,06 %. Although Rhizopora apiculata value is lower than Brugueira sp. But the values of relative frequency of these species are almost similar. It means that both species are frequently found in observation plots. Rhizophora apiculata dominate at pole and sapling levels, but frequency of occurance this species is lower than Brugueira sp in pole level.

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