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INDONESIA
AGROLOGIA : Jurnal Ilmu Budidaya Tanaman
Published by Universitas Pattimura
ISSN : 23017287     EISSN : 25809636     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science
Agrologia: Journal of Plant Cultivation is a means of publicizing the results of research and articles. The scope of the study published in Agrologia includes: - Agronomy - Plant diseases and pests - Soil science - Environment
Arjuna Subject : -
Articles 176 Documents
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Respon Semut Terhadap Kerusakan Antropogenik Pada Hutan Lindung Sirimau, Ambon Fransina Latumahina
Agrologia Vol 5, No 2 (2016)
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v5i2.188

Abstract

The objective of field study was to study the response of ants to forest damage due to presence of human activities in Sirimau Conservation forest, Ambon. The respons of ants was analyzed based on their richness, abundance, diversity, frequency and functional response to anthropogenic damage by used of line transecting method. Secondary parameters measured were local microclimate as well as soil physical and chemical characteristics. The study found 23 species of ants and 16,601 individual ants in the forests; the highest species abundance was 0.158, while frequency and diversity index was 32.44% and 2.92 each and were classified as moderate. Functionally ants consisted of oppurtunist (1 species), generalized myrmicinae (1 species), specialist predators (4 species), tropical climate specialists (6 species), dominant dolichoderinae (4 species), subordinate camponitini (6 species) and criptic species (4 species). Anthropogenic activity contributed to forest habitat destruction through forest opening, logging, forest fires and shifting cultivation. Anthropogenic damage in secondary forest caused fragmentation and degradation, followed by inbalance of environment and ecosystem components 
Patogenisitas Colletotrichum musae Penyebab Penyakit Antraknosa Pada Beberapa Varietas Buah Pisang Wilhemina Rumahlewang; Handry R.D Amanupunyo
Agrologia Vol 1, No 1 (2012): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v1i1.301

Abstract

Low quality of banana fruits due to anthracnose caused  by Colletotrichum musae fungi could be overcome by introducing anthracnose-resistent varieties. The research’s objective was to find out pathogenecity of C. musae on six local banana varieties namely Dewaka, Ambon Kuning, Abu-abu, Raja,  Empat Puluh Hari and Nona. A laboratory experiment was carried out by using completely randomized block design with six replicates. The result showed that the pathogenicity of C. musae on  six varieties of banana fruits was differ. Average incubation period of fungi and damage level of banana fruits were 3.5 days and 32.53% respectively whereas average rate of infection of C.musae was 0.115 units/day. This experiment suggested that banana var. Abu-abu was resistance to anhtracnose while banana var. Raja, Ambon Kuning  as well as Dewaka were susceptible to anthracnose. Banana var. Empat Puluh hari and Nona were classified in moderately resistance to anthracnose.
Pendapatan Usahatani Tanaman Kakao (Teobroma kakao) Di Kelurahan Hinekombe, Distrik Waibu, Kabupaten Jayapura Metius Wonda; Evawani Tomayahu
Agrologia Vol 5, No 1 (2016): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v5i1.195

Abstract

Kakao is one of important estate commodity for the national economy, since kakao plantation provide a significant number of employment which is support national income and foreign exchange. This study aims to determine  farm  incomes of kakao farmers in  Hinekombein Village,  Waibu Subistrict of Jayapura District. Primary data was collected by used of interview and observation guided by a questionnaire. The primary data obtained through interviews with farmers using a questionnaire. Secondary data has been obtained from secondary data sources associated with the research. Sampling was done by simple random sampling for cocoa farmers in Hinekombe Village, number of respondents was 30 farmers cocoa farmers This study showed that annual revenue of cocoa of farmers which has 0.5 of cultivated area  was Rp 1,150,556. The revenue of farmer which has 1 ha of cultivated area was Rp. 2.662.500.
Pengaruh Pemberian Agen Hayati Pada Benih Dan Pupuk Bokashi Terhadap Mutu Fisiologis Benih Kedelai (Glycine max L. (Merill) Kultivar Grobogan Eka Siti Windia; Sumadi Sumadi; Anne Nuraini
Agrologia Vol 7, No 1 (2018): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v7i1.354

Abstract

Physiological quality of seeds could be seen from viability and vigor. The used of matriconditioning treatment using biological agent and bokashi fertilizer could be the way to enhance physiological quality of seeds. The objective of experiment was to determind the most effective dosage interaction of biological agent and bokashi fertilizer to improve physiological quality of seeds.This research was held at Ciparanje Experimental Farm and Laboratory of Seed Technology Faculty Agriculture Universitas Padjadjaran.from November 2016 until February 2017.  The experiment’s method design using randomized block design factorial pattern with Duncan’s Multiple Range Test (DMRT) at 5 %. The Cultivar that used for this research was Grobogan with Bokashi that tested at 0 ton/ha, 16 ton/ha, 32 ton/ha, and 48 ton/ha respectively combined with matriconditioning that used biological agent and control without biological agent. The biological agent that used for this treatment were Trichoderma spp., Azotobacter spp., Trichoderma spp + Azotobacter spp., with three replication.  The result of the experiment showed that interaction of biological agent and bokashi fertilizer affected the weight of 100 seeds and vigor index. The treatment that used Trichoderma spp. + Azotobacter spp. and bokashi fertilizer 48 ton/ha has showed that this dosage was the best for weight of 100 seeds parameter. Thus the treatment with trichoderma and azotobacter without bokashi fertilizer showed that this treatment affected the best for vigor index.Keyword: Soybean seeds, physiological quality, Trichoderma spp., Azotobacter spp., Bokashi.
Uji Antagonis Pseudomonas sp. Asal Endofit Perakaran Padi Terhadap Penyakit Blas (Pyricularia oryzae) Secara In Vitro Andree Saylendra; Tubagus Bahtiar Rusbana; Linda Herdiani
Agrologia Vol 4, No 2 (2015): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v4i2.203

Abstract

The purpose of this research was to determine the antagonistic bacteria Pseudomonas spp. of paddy roots endophytic against disease blast (Pycularia oryzae) in vitro. This research was conducted at the Laboratory of Agroecology, Faculty of Agriculture, University of Sultan Ageng Tirtayasa on April to June 2015. This research implemented experimental one factor that arranged in Completely Randomized Design with three replications. The treatment consisted of 9 isolates of Pseudomonas sp. which was screened from endophytic roots of paddy plants.  The test  results  showed  that  antagonistic in  vitro  testing could inhibit the growth P. oryzae. Inhibition of 9 isolates to the growth Pseudomonas spp. had the significant clear zone. Isolate Ps 17 (58.89%), Ps 22 (54.44%), Ps 37 (52.06%) and Ps 39 (61.42%) have the largest inhibition. The results showed that the bacteria Pseudomonas sp. on this research is potential on controlling disease blast in paddy plant.
Uji Antagonisme Trichoderma harzianum Dan Azotobacter chroococcum Terhadap Rhyzoctonia solani, Sclerotium rolfsii dan Fusarium oxysporum secara in-vitro A. Marthin Kalay; Abraham Talahaturuson; Wilhemina Rumahlewang
Agrologia Vol 7, No 2 (2018): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v7i2.764

Abstract

Damage to plants by pathogenic fungi is often found in nurseries and field. Biological control offers a promising alternative for managing diseases in plants because they are environmentally friendly compared to pesticides. The aim of the study was to test the power of the antagonism of Trichoderma harzianum and Azotobacter chroococcum on solid organic media "TRIAZOTE"  which had been stored for five months against R. solani, S. rolfsii, and F. oxysporium pathogens. In-vitro treatment tested the power of antagonism of T. harzianum and A. chroococcum on growth of R. solani, S. rolfsii, and F. Oxysporum pathogens. The results showed that T. harzianum in "TRIAZOTE" which had been stored for five months could inhibit pathogenic growth R. solani, S. rolfsii, and F. oxysporum by 54.57%, 66.22%, and 68,57% respectively. While A. chroococcum did not significantly inhibit pathogenic growth of R. solani (11.02%), S. rolfsii (9.09%) and F. oxyprorum (10.99%). To control the disease in plants, especially those caused by soil borne pathogens R. solani, S. rolfsii and F. oxyprorum, can use biological fertilizer "TRIAZOTE" even though it has been stored for five months
Control of Damping off and Increased Growth of Tomato Seeds by Utilizing Trichoderma harzianum Based on Solid Organic Materials A. Marthin Kalay; Gratiana NC Tuhumury; Novalina Pesireron; Abraham Talaharuruson
Agrologia Vol 8, No 1 (2019)
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v8i1.873

Abstract

Low soil fertility and the presence of damping off disease which is a inhibiting factor in the nursery of tomato plants. This can be overcome by utilizing the biological agent Trichoderma harzianum based on solid organic matter (Trichocompost). The aim of the study was to determine the effect of giving Trichocompost and obtain the optimal Trichocompos dose to reduce the intensity of damping off disease and increase the growth of tomato seedlings. The treatments tried were Trichocompos with doses of 20, 40 and 60 tons/ha, designed using a complete randomized design with 10 replications. The plant response observed was the intensity of the disease; height, fresh weight and dry weight of canopy; length, fresh weight and root dry weight. The results showed that the monitoring of Trichocompost can reduce the intensity of damping off disease to 54.80% and increase the growth of tomato seedlings. The recommended Trichocompos dosage is 60 tons/ha or as much as 30 g/1 kg of soil. The results of this study can be used to increase agricultural production and also a solution in an environmentally friendly and sustainable farming system.Keyword: Biocontrol, Tomato Trichocompos, Trichoderma harzianum
Pendekatan Indeks Vegetasi Untuk Mengevaluasi Kenyamanan Termal Menggunakan Data Satelit Landsat-Tm Di Kota Ambon Juglans H Pietersz; John Matinahoru; Ronny Loppies
Agrologia Vol 4, No 2 (2015): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v4i2.208

Abstract

The objectives of the research were to obtain correlation model between NDVI (Normalized Density Value Index) and Freshness Index, to examine the capability of Landsat-TM satellite to show opened green space in controlling the effect of heat island, to know the level of freshness in Ambon town, and to produce layout of opened green space of Ambon town in relation with the need of freshness of the communities. The result of the research showed that Landsat-TM satellite  can be used to detect  the green space area of the Ambon town. Based on the classification of NDVI through Landsat-TM satellite, the Ambon town has 899,9 hectares (3 %) of land without vegetation or scarcely vegetation, 1488,71 hectares (4 %) were low density of vegetation, 1495,34 hectares (4 %) were in middle density, and 32060, 58 hectares were in high density.  NDVI had a positive correlation to the temperature and relative humidity which means that increasing of vegetation density  decreased the temperature and increased the relative humidity of a certain area.  Effect of the heat island to the Ambon town are identified  1267,93 hectares, and generally found in the central of town (District of Sirimau) and the new development area which followed the main road area.
Aktivitas Anti Cendawan Ekstrak Daun Sereh Wangi (Cymbopogon nardus L.) Terhadap Colletotrichum sp Penyebab Penyakit Antraknosa Pada Buah Cabai (Capsicum annum L.) Secara In Vitro Dan In Vivo Mohamad Ana Syabana; Andree Saylendra; Deri Ramdhani
Agrologia Vol 4, No 1 (2015): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v4i1.220

Abstract

The aim of this research was to examine in vitro and in vivo anti fungal activity of citronella leaves extract against Colletotrichum sp caused antrachnose disease on chilli. The in vitro and in vivo research used randomized completely design (RCD) with one factor and five level. The factor was citronella leaves extract and the level were 0,1 % (v/v), 0,2 % (v/v), 0,3 % (v/v), 0,4 % (v/v), 0,5 % (v/v). Negative control treatment was conducted by growing Colletotrichum sp on PDA (in vitro) and chili (in vivo) without citronella leaves extract while positive control was conducted by growing Colletotrichum sp on PDA (in vitro) and chili (in vivo) containing synthetic fungicide. The in vitro study showed that the higher concentration of citronella leaves extract caused higher growth inhibition of Colletotrichum sp. Whereas the in vivo study resulted that higher concentration of citronella leaves extract caused lower incubation period of Colletotrichum sp, intensity of disease and weight loss of chillies. The highest concentration of citronella leaves extract (0,5%) has higher antifungal activity compared to other treatments and negative control while lower than positive control.
Efikasi Ekstrak Daun Pepaya Terhadap Nezara viridula L. (Hemiptera : Pentatomidae) Pada Polong Kacang Panjang Jeffie V Hasinu; Ria Y Rumthe; R Laisow
Agrologia Vol 3, No 2 (2014): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v3i2.249

Abstract

Nezara viridula is one of the major pests which attack  bean (Vigna sinensis) plants. Crop damage due to  attack of N. viridula depend on the number of pests, the availability of nutrition as well as  biotic and abiotic factors. The useof synthetic insecticides continuously with inappropriate dose and time application cause negative impact on the environment, therefore the use of insecticide plant is one alternative to reduce pesticide dose. The purpose of this study was to determine the concentration of papaya leaf extract and verify application method which promote  mortality of N. viridula ninfa. Experiment was set up in completely randomized block design with four treatments, i.e 40 g/100 mL of water, 50 g/100 mL of water, 60 g/100 mL of water and 70 g/100 mL of water. Observations were made on early symptoms of toxocity, the percentage of mortality, mortality rate and advanced stages of N. viridula. The results showed that application of papaya leaf extract with at 70 g / 100 mL of water through feed or contact caused 100%  mortality of N. Viridula,  with  mortality rate of 4.75 days and 5.50 days. It is sugeested that  vegetable-based insecticide could be used to decrease N. viridula attack on string bean pod.

Page 9 of 18 | Total Record : 176

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