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Chris Leiwakabessy
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Fakultas Pertanian Universitas Pattimura Jl. Ir. M. Putuhena, Kampus Poka Ambon
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Jurnal Pertanian Kepulauan
Published by Universitas Pattimura
ISSN : 14125005     EISSN : 29627796     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Pertanian Kepulauan (Small Island Agriculture), merupakan jurnal ilmiah yang menyajikan artikel ilmiah dalam lingkup pertanian pulau-pulau kecil, manajemen dan produksi tanaman perkebunan dan rempah pulau, tanah dan proteksi tanaman pulau, pemuliaan tanaman dan ternak pulau, agrokimia dan agrofisik pulau, sosio-ekologi pulau, kebijakan pertanian pulau, pemanfaatan sumberdaya pulau, dan konservasi pulau.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 66 Documents
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Pemanfaatan Abu Kulit Kakao (Theobroma Cocoa L) Sebagai Sumber Kalium dan Taraf Kadar Air Tanah Berbeda pada Tanaman Jagung Patty, Jacob Richard; Ririhena, Rhony Einstein; Leiwakabessy, Christoffol
JURNAL PERTANIAN KEPULAUAN Vol 7 No 2 (2023): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2023.7.2.104

Abstract

Waste derived from plant material can be used as a source of plant nutrients. These waste products can be processed into compost to increase soil organic matter. The study aimed to determine the effect of cocoa peel ash application on drought conditions and natural sources of potassium for the growth and production of maize plants. The research design is a Factorial experiment in a Completely Randomized Design consisting of two treatments, namely: the amount of water application equivalent to rainfall (R): (R1) 70 mm / month, (R2) 80 mm / month, and (R3) 90 mm / month; fertilization of cocoa skin ash (K): control (K0), 100 kg/ha (K1), 150 kg/ha (K2), 200 kg/ha (K3), and, (K4) 250 kg/ha repeated 3 times. The results showed that the interaction between cocoa bark ash fertilization and the amount of water application equivalent to rainfall had a very noticeable effect on plant height and leaf area variables, while stem diameter changes had a noticeable effect. Fertilization treatment of 250 kg/ha (K4) best affects plant height, stem diameter, leaf area, and dry weight. The dose of cocoa husk ash fertilization of 200 kg/ha gives the best results on the weight of the seeds per plant, while the dose of 150 kg/ha is best at the weight of 100 seeds. Treatment of the amount of water application equivalent to rainfall of 90 mm/month gives the best results on leaf area, seed weight per plant, weight of 100 seeds, dry weight of plants, and harvest index
Pengujian Kadar Air Biji Kakao (Theobroma cacao L .) dengan Suhu Tinggi dan Rendah Terhadap Kualitas Biji Kakao Porsiana, Jefinta; Lesilolo, Marthini K; Riry, Johan
JURNAL PERTANIAN KEPULAUAN Vol 8 No 1 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.1.7

Abstract

This study aims to compare the methods of testing the moisture reduction of cocoa beans with the high-temperature and low-temperature oven methods. The method used in this study was a comparative test between three cocoa clones and two moisture content test methods, namely using a low-temperature oven and a high-temperature oven. This research is experimental using a completely randomized design (CRD). The results of the cocoa moisture content test showed that each treatment of K2O2 and K1O2 was not significantly different from the results of the moisture content of cocoa beans. In contrast, the comparison of each treatment of K2O2, K1O2 and K3O2 was significantly different from the results of the moisture content of cocoa. Furthermore, for the K3O2 treatment compared to each of the K1O1, K2O1, and K3O1 treatments, the results of cocoa content were significantly different. For each treatment, K1O1, K2O1, and K3O1 did not differ significantly in the results of the moisture content of cocoa. High temperatures and low temperatures in Table 2 show that the K1O1 yield is 8.03%, significantly different from the K1O2 cocoa bean moisture content, which is 9.59%. and K3O1 7.57% with K3O2 which is 8.85 Testing the moisture content of cocoa seeds using the high-temperature oven method for 2 hours was significantly different from the low-temperature oven method for 17 hours. The proper method for testing the moisture content of cocoa beans is high temperature for 2 hours.
Tempat Persarangan Lebah Hutan (Apis dorsata F.) di Pulau Sermata Lamerkabel, Jacobus S. A.; Masauna, Esther D; Utuwaly, Imas D; Jaya, Firman; Lastriyanto, Anang; Yunus, Mochammad; Batoro, Jati; Erwan, Erwan; Masyithoh, Dewi; Ustadi, Ustadi
JURNAL PERTANIAN KEPULAUAN Vol 8 No 1 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.1.1

Abstract

The aim of the study was to determine the nesting sites of Apis dorsata (F) forest bees. the method used in this research was a descriptive survey. The results showed that trees and rock cliffs are nesting sites for forest bees on the island of Sermata. The Banyan tree is a tree that is preferred as a nesting place for forest bees (4 trees) in addition to Mango trees (2 trees), Salawaku (2 trees) , Kemiri (1 tree) , and Parna (1 tree). The height of the nesting places of forest bee colonies on trees and rock cliffs from the ground is at an altitude of 2.82 m to 27.40 m. The mango tree is the lowest forest bee nesting tree, while the highest is found in the banyan tree (20.51 m) and rock cliff 27.40 m. The habitat for the most forest bee colonies was 95 colonies in the range > 0-100 masl and 20 colonies in the range > 100-200 masl. The number of forest bee nests found in the locations of the villages of Regoha, Rotnama, Lelang, and Elo was 115 colony nests.
Komunitas Gulma pada Areal Perkebunan Karet (Hevea brasiliensis ) di Negeri Sahulau, Kecamatan Teluk Elpa Putih, Kabupaten Maluku Tengah Tanasale, Vilma Laurien; Goo, Nureny; Makaruku, Marlita H; Wattimena, Anna Y
JURNAL PERTANIAN KEPULAUAN Vol 8 No 1 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.1.13

Abstract

ABSTRAK Gulma merupakan salah satu organisme pengganggu tanaman yang menghambat pertumbuhan, perkembangan dan produktivitas tanaman.. Kehadiran gulma dapat kita jumpai pada semua areal pertanaman.Penelitian ini dilaksanakan di Negeri Sahulau, Kabupaten Maluku Tengah pada Bulan September sampai November 2023. Penelitian ini bertujuan untuk mengetahui jenis-jenis gulma apa saja yang tumbuh dan berkembang serta mendominasi perkebunan karet. Proses pengumpulan data di lapangan dilakukan dengan menggunakan metode kuadrat dengan petak sampel berukuran 1 m x 1 m dan diletakan dibawah tegakan tanaman karet. Pengamatan gulma dilakukan secara destruktif yaitu jenis-jenis gulma dalam petak sampel dicabut untuk dihitung individu dan biomasa tiap jenis.Ditemukan 14 jenis gulma di Perkebunan karet dan gulma dominan pada Perkebunan ini adalah Clidemia hirta dengan nilai SDR sebesar 12.94 persen. Kata Kunci : Komunitas Gulma, Gulma dominan, Tanaman Karet
Potensi Bakteri Filoplan Asal Tanaman Sagu Aksesi Makanaru (Metroxylon longispinum) Sebagai Agens Hayati Terhadap Pertumbuhan Rhizoctonia solani Kuhn Nurlette, Jahra; Leiwakabessy, Christoffol; Talahaturuson, Abraham; Uruilal, Costanza; Ririhena, Rhony Einstein; Rumahlewang, Wihelmina; Patty, Jacob Richard
JURNAL PERTANIAN KEPULAUAN Vol 8 No 1 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.1.24

Abstract

The sago plant is a staple food for the people of Maluku and Papua and has many benefits and advantages to continue to be developed. A group of phylloplane microbes grow and spread on the surface of the leaves. The objective study is to find isolates of phylloplane bacteria from sago accession Makanaru and determine the inhibition of these bacteria against the growth of Rhizoctonia solani Kuhn. Sampling of sago plants (upper, middle, and lower leaves) was conducted in Negeri Seith, Leihitu District, Central Maluku Regency. Based on the isolation results, 21 isolates of phylloplanes bacteria were obtained and ready for further testing. From the results of hypersensitive test selection, 14 non-pathogenic isolates of phylloplane bacteria were obtained. Furthermore, tested the inhibitory power of phylloplane bacteria in suppressing the growth of the fungus, 3 phylloplane bacteria isolates were obtained with strong inhibitory, namely DA3.3, DT3.2, DT3.1 followed by 3 isolates DB4, DB4.2, and DB4.4 (medium inhibitory) which have the potential to be developed as biological agents.
Evaluasi Kesesuaian Lahan untuk Tanaman Buah-Buahan Potensial di Kebun Jemaat Negeri Hatu, Kecamatan Leihitu Barat Rahawarin, Rahul; Risamassu, Robby G; Liubana, Simson
JURNAL PERTANIAN KEPULAUAN Vol 8 No 2 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.2.41

Abstract

This research was conducted in Negeri Hatu at the location of the congregation garden to know the characteristics and quality of land, determine land suitability class, and make a map of the suitability class for fruit plants. This research used a survey method with synthetic and analytical approach patterns with free survey observation distance on land units. The results of the land suitability class assessment for langsat and rambutan plants have a land suitability class (S1) of 0,973 ha or 18.80 percent, S2eh of 1,374 ha or 26.52 percent, S3eh of 1,091 ha or 21.06 percent and for unsuitable classes (N) of 1,744 ha or 12.97 percent. Banana crops: (S1) covering 0,973 ha or 18.80 per cent. S2eh covers 1,374 ha or 26.52 percent, while S3eh covers 1,091 ha or 21.06 percent and unsuitable class (N) covers 1,744 ha or 12.97 percent. Jackfruit plants: (S1) covers 0,973 ha or 18.80 percent. While S2eh covers 1,374 ha or 26.52 percent, while S3eh covers 1,091 ha or 21.06 percent, and for unsuitable class (N) covers 1,744 ha or 12.97 percent. Pineapple plant: ). (S1) is 0.973 ha or 18.80 per cent. While S3eh covers 1,374 ha or 26.52 percent, S3eh covers 3,537 ha or 21.06 percent, and unsuitable class (N) covers 0.001 ha or 0.00 percent.
Kajian Identifikasi dan Dominansi Gulma pada Areal Pertanaman Kelapa di Dusun Hulung Kabupaten Maluku Tengah Harianja, Hanya Sari; Tanasale, Vilma Laurien; Riry, Johan
JURNAL PERTANIAN KEPULAUAN Vol 8 No 2 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.2.70

Abstract

Coconut crop production cannot be maintained and tends to decline. This research aims to identify types of weeds and find the dominant weed types in coconut planting areas. This research was carried out in a coconut farming area in Hulung in May 2024. The tools used in this research were a camera, a frame measuring 1x1 m, a cutter, an oven, analytical scales, a handheld, and an analytical balance manual. This research uses the vegetation survey method to collect data by field observations. In carrying out the vegetation analysis, the quadratic method was used by placing sample plots measuring 1m x 1m on 6 trees randomly. From the results of observing weeds in Hulung village, it shows that in the coconut plantation area, there are 20 types of weeds, 14 types of broadleaf weeds, 3 types of fern weeds, 2 types of grass weeds and 1 type of grass weed.The weeds Digitaria cilliaris, Commelina diffusa burn, Digitarius sanguinalis and weeds and Sphagneticola trilobata L) have high SDR values ​​compared to other types of weeds. The dominant weed types in the coconut plantation area in Hulung Hamlet are the grass weed Digitaria ciliaris and broadleaf weed types. Annual weeds dominate coconut plantation areas.
Pengaruh Dosis dan Waktu Aplikasi Pupuk SuburIn Terhadap Pertumbuhan dan Produksi Jagung Manis (Zea mays L. Var saccharata. Sturt) Patty, Jacob Richard; Ririhena, Rhony Einstein; Hitijahubessy, Fabians J. D.
JURNAL PERTANIAN KEPULAUAN Vol 8 No 2 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.2.61

Abstract

Sweet corn is the most important, especially to food consumption. This plant is more than consumption as a human and animal which is available in Southeast Molluccan District. This experiment was intended to determine the proper amount of SuburIn and the time they were applied. A Completely Randomized Block Design was used with three replicated. SuburIn was applied in four different amounts including check (D0), 6 g. plant -1 (D1), 12 g plant -1 (D2), 18 g plant -1(D3). These Fertilizer were applied at 7 (day after plant/dap) (W1), 21 dap (W2), and 35 dap (W3). Based on the height of plants, number of leaves, Leaf Area Index, length of ears, diameter of ears, and the fresh weight of ears, best result was gained by the use of 18 g plant-1, applied at 21 dap.
Studi Kerusakan Umbi Kentang Akibat Cendawan Patogen Pascapanen pada Beberapa Pasar di Kota Ambon Samponu, Welmince; Leiwakabessy, Christoffol; Rumahlewang, Wihelmina; Uruilal, Costanza; Talahaturuson, Abraham
JURNAL PERTANIAN KEPULAUAN Vol 8 No 2 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.2.49

Abstract

The study aims to determine the level of damage to potato tubers due to post-harvest pathogenic fungi attacks in several traditional markets in Ambon City. This study is a survey study at the Mardika, Passo, and Rumahtiga markets. The results of the study found one type of post-harvest pathogenic fungus that attacks potato tubers in traditional markets in Ambon City, namely Fusarium spp. which is the cause of dry rot disease in potato tubers. The level of damage to potato tubers due to Fusarium spp. attacks is classified as severe, found in the Mardika market at 70.81% and the Transit Passo market at 60.91%. While in the Rumahtiga market only 31.62% are classified as moderate damage.
Pertumbuhan Tegakan Samama (Anthocephallus macrophylla) pada Tanah Regosol di Kampus Universitas Pattimura Ambon Matinahoru, Johan M.
JURNAL PERTANIAN KEPULAUAN Vol 8 No 2 (2024): Jurnal Pertanian Kepulauan
Publisher : Fakultas Pertanian, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpk.2024.8.2.55

Abstract

Samama (Anthocephallus macrophylla) is a type of forest tree native to Maluku which is found growing wild naturally on several islands such as Seram, Buru, Ambon, Haruku, Saparua and Nusalaut. This type of tree usually grows spread out at an altitude of 0 - 800 m above sea level, and ecologically this plant also prefers secondary forest areas that are quite open to sunlight. Samama is known as a fast-growing tree with an average growth rate of 3-5 cm / year in diameter and its wood is widely used by the community as a building material for houses such as roof construction, house walls, doors and windows as well as raw materials for making furniture such as cupboards, tables, chairs and others. This study aims to analyze the effect of regosol soil to the growth of samama stands at the Pattimura University campus in Ambon. This study uses a multiple regression method. The results of this study indicated that regosol soil is very suitable for cultivating samama plants because it produces good average growth in diameter, height and number of branches. Environmental factors such as soil fertility, soil moisture, soil acidity, temperature, air humidity and light intensity have a very significant influence on the growth of samama plants.

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