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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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Exploration of Wax Vegetable Plants (Saccharum edule) in West Halmahera Regency North Maluku Province Fitri Wahyu Wijayanti; Stevani B Fara
Agrologia Vol 8, No 1 (2019): 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.v8i1.875

Abstract

Waxed vegetable plants (Saccharum edule) have a variety of species, can be found in several regions in Indonesia. This study aims to determine the types of vegetable candles in West Halmahera Regency, North Maluku Province. The research was carried out in nine sub-districts, 36 villages and involved 108 farmer owners. Research uses exploration and identification methods. Variables observed included stem shape, stem color, stem length, and plant height, as well as the color and length of the flower. The results of the study found that there were five types of vegetable candles namely short white, long white, long yellow, short yellow, and long white with reddish tree trunks. The five types of plants can be found throughout the sub-districts in West Halmahera Regency, Maluku Province.Keywords: West Halmahera, Saccharum edule, Wax vegetable
Pertumbuhan Dan Serapan Nitrogen Azolla microphylla Akibat Pemberianfosfat Dan Ketinggian Air Yang Berbeda Putra Utama; Dewi Firnia; Ganes Natanael
Agrologia Vol 4, No 1 (2015)
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v4i1.217

Abstract

Water fern Azolla microphylla symbioses with Anabaena azollae which is able to fix N2. Fern growth is strongly influenced by the availability of macro nutrients such as phosphate. The aim of this study was to determine the effect of concentration of phosphate fertilizers and different water levels on the growth and nitrogen uptake of Azolla microphylla. Research was conducted by using randomized block design with three replications. The treatment were  water level which consists of 0 cm, 2 cm, 4 cm, and 6 cm, and the concentration of phosphates (P) which is composed of without and with  15 ppm, 30 ppm and 45 ppm. The results showed that the water level are interdependent with the phosphates concentration to influence  Azolla’s covered area at  7-21 days after planting, wet weight, total dry weight, and total nitrogen uptake of Azolla microphylla. The water level 2 cm at a concentration of 30 ppm of phosphate fertilizers is the best treatment combination to increase Azolla’s covered area at 7-21 HST, wet weight, total dry weight, and total nitrogen uptake of Azolla microphylla.
Populasi Hama Wereng Batang Coklat (Nilaparvata lugens Stal.), Keragaman Musuh Alami Predator Serta Parasitoidnya Pada Lahan Sawah Di Dataran Rendah Kabupaten Indramayu Martua Suhunan Sianipar; Andang Purnama; Entun Santosa; R.C. Hidayat Soesilohadi; Wahyu Daradjat Natawigena; Nenet Susniahti; Akbar Primasongko
Agrologia Vol 6, No 1 (2017)
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v6i1.245

Abstract

Population of brown plant hopper (Nilaparvata lugens Stal) is one of the major rice pest that is threatening rice production in Indramayu. Integrated pest management is needed to control the population of brown plant hopper (BPH). To construct effective strategy of Integrated Pest Management, a survey to obtain information about the population of BPH and the diversity of its natural enemies predator and parasitoid is required. The result of the survey showed that fluctuation of BPH population was evidence. BPH occurs from the 1st week of observation and the population was rising until the 5th week of observation and hence the population declined until the 12th week of observation. This population decline was caused by BPH’s live cycle followed the growth phase of rice plant. Correlation between climate factors and fluctuation of BPH population was not significant. Based on Shanon-Wiener diversity index analysis, the diversity of natural predators of BPH was medium with the value of H’ of 1,83 due to  uniform field condition
Uji Ekstrak Daun Pepaya (Carica Papaya) Terhadap Larva Plutella xylostella (Lepidoptera: Plutellidae) Victor G Siahaya; Ria Y Rumthe
Agrologia Vol 3, No 2 (2014)
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v3i2.251

Abstract

Plutella xylostella L. (Lepidoptera: Plutellidae) is one of the major pests on chinese cabbage (Brassica pekinensis). It damage the  2-6 week old plants. Larvae damage  crops by biting, chewing and then eating the lower surface of the leaves. The leaves will become transparent white, severe damage leaves behind only leaf bone. Papaya leaf (Carica papaya) could be used as a pesticide for crops because it contains substances that can inhibit eating even to kill insects pests. The purpose of this study was to verify the efficacy of  the papaya leaf extract against Plutella xylostella. The study was conducted in the laboratory of Plant Pests Faculty of Agriculture, Pattimura University. The design used was a completely randomized design with four papaya leaf extract concentration at 3 instar larvae through the  contact and stomach poison test. Observations were made on the early symptoms of poisoning, the percentage of larval mortality, and further Plutella xylostella stadium. The results showed that the highest mortality in the treatment of stomach and contact poison was occured at a concentration of 40 g/100 ml of water by 100%, while the lowest mortality at a concentration of 10 g / 100 ml of water, respectively by 35% and 20%.
Pengaruh Konsentrasi Pupuk Hayati Bioboost Terhadap Peningkatan Produksi Tanaman Selada (Lactuca sativa. L) A. P Manuhuttu; Herman Rehatta; J.J.G Kailola
Agrologia Vol 3, No 1 (2014)
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v3i1.256

Abstract

Lettuce (Lactuca sativa L.)is one of hleafy vegetables that have high economic value in Indonesia and it gives good benef its ton the con sumers.The us of organic fertilizers is expected to be more optimal in agriculture today, considering the impact that the use of inorganic fertilizers may damage the soil and increasing environmental pollution with chemical residues in the soil, which result in decreased land productivity. This study aimed  to determine the effect of Bioboost fertilizer to increase crop yield of lettuce. Treatment were arranged in a Randomized Block Design, with one factor namely the concentration of Bioboost fertilizer consisting of 7 treatments:  B0=0 cc (control), B1= 20 cc, B2= 40 cc, B3= 60 cc, B4= 80 cc, B5=100 cc  per liter of water, and B6 = 120 cc / liter of water, with 3 replications so that there were 21 experimental units. Each treatmental unit consisted of 8 plants so that overall there were 168 plant populations. These results indicated  that concentration of Bioboost bio-fertilizers gave a significant effects on the growth of lettuce. Fertilizer cencentration of 80 cc / liter of water (B4) was the best concentration for growth and increased yield of lettuce.
Evaluasi Kemampuan Lahan Dan Arahan Pemanfaatan Lahan Di Daerah Aliran Sungai Wai Tina Kabupaten Buru Selatan Provinsi Maluku Jeheskel Manuputty; Elia Y Gaspersz; Selwanus M Talakua
Agrologia Vol 3, No 1 (2014)
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v3i1.261

Abstract

Tina Wai watershed area 48,132 ha, located in the South Buru and serves as a provider of water for the local community. Land Capability Evaluation and Tina Wai Watershed Land Use in South Buru, Maluku Province, has been performed in order to determine the land capability classification level, and determine the direction and pattern of land use in accordance with their respective land capability class. The research method is a survey method with a pattern of synthetic and analytical approach with a flexible range of observation following the change in shape of physiographic and land use. The results found that Tina has 6 Wai watershed land capability class, ie class III, IV, V, VI, VII, and VIII with factor inhibiting dominated by undulating slopes to very steep, erosion rates to very heavy weight, medium texture soil, permeability rather fast to slow, moderate sensitivity to erosion, rock gravel of moderate-to-many, and the threat of flooding rather frequently. Land capability class has the most extensive is the fourth grade with an area of 24.636 ha, or 51.19%. Referrals for agricultural land use is 29,184.75 ha or 61.89; for plantations, livestock and forest production by 8396.75 ha or 17.38%; for the protected forest of 6,941.25 ha or 14.42%; and for the nature reserves of 3036.00 ha or 6.31%.
Pb Dan Cu Pada Badan Air Dan Tanah Sawah Sub-Das Solo Hilir Kabupaten Lamongan W Purbalisa; Mulyadi Mulyadi
Agrologia Vol 2, No 2 (2013): 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.v2i2.266

Abstract

The main components of the watershed which are potentially contaminated, are bodies of water and soil. Deterioration of water quality in the watershed, among others, is caused by industrial waste water disposal systems and household waste along the river resulting pollution. Lamongan district is located at sub watershed of Solo river downstream. Data distribution of Pb and Cu in water and paddy soil of sub watershed Solo downstream was limited, therefore this research was done. The research was conducted in 2009. The aim of the research was to get data distribution of heavy metal Pb and Cu in paddy soil and water watershed Solo downstream Lamongan district. Soil samples were taken with a modified grid system, by collecting a composite soil samples representing of area about 10-15 ha, while the water samples taken at a depth of 25-30 cm of water surface. The result showed the water quality of the river from 9 sampling sites, there were 7 location of BOD value already exceeding the maximum value for agriculture water. While the COD value and electrical conductivity at 1 and 3 locations respectively already exceeded the maximum. Cu was detected at all sampling sites, while Pb was detected only in 5 locations. Pb and Cu levels was below the maximum limit specified in PP No. 21, 2001. Cu in soils was detected at all sites, while there were 4 locations that Pb was not detectable, levels of Pb and Cu in soils were still under the specified threshold.
Respons Lima Varietas Kubis (Brassica oleracea L.) Terhadap Serangan Hama Pemakan Daun Plutella Xylostella ( Lepidoptera ; Plutellidae) Jerry. N Luhukay; Muhammad Riadh Uluputty; Ria Y Rumthe
Agrologia Vol 2, No 2 (2013): 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.v2i2.271

Abstract

Efforts to increase crop production often faced difficulty with pests and diseases. The use of high yielding varieties can be an alternative control. This study aimed to determine the population and intensity of pest damage Plutella xylostella on five varieties of cabbage (Brassica oleraceae L.). The experiment was conducted in the village Waipirit in October 2012 until January 2013. The study was designed using a randomized block design with five treatments, namely cabbage as the Grand 11, KK-Cross, Green Coronet, Green Hero, and Investor. The results showed that Investors were varieties that were resistant to pests Plutella xylostella, indicated by low population groups such as eggs 2.75, 16.55 tails larvae and 1.95 tails pupae, and the low intensity of leaf damage 28.51% which was classified medium.
Pengaruh Pupuk Hayati Endofitik Dengan Azolla Pinnata Terhadap Serapan N , N-Total Tanah, Dan Bobot Kering Tanaman Padi (Oryza Sativa L.) Pada Tanah Salin Alin Kusumah Dewi; Mieke Rochimi Setiawati
Agrologia Vol 6, No 2 (2017): 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.v6i2.168

Abstract

Saline soil contain excessive NaCl content which inhibit plant growth and lead to nitrogen deficiency. Endophytic bacteria live inside the plant tissue and has the ability to fix nitrogen directly from the atmosphere, meanwhile Azolla pinnata can be used as organic ameliorant that able to increase the number of availability nitrogen for plant in soil, and improve the physical, chemical, and biological properties of soil. The aims of this experiment were to find out the treatment that cause highest nitrogen uptake by plant, total-N of soil, and dry weight of rice in saline soil. The experimental design was randomized block design with eight treatments and four repetitions. The results showed that the application of biofertilizer and ameliorant increased nitrogen uptake by plant and dry weight of rice in saline soil, but there was no significant effect on  total-N of soil. This experiment suggested that endophytic bacteria biofertilizer and Azolla pinnata were effective to increase dry weight and nitrogen uptake of rice grown in soil with EC between  2 dS m-1 - 4 dS m-1.
Komunitas Gulma Pada Pertanaman Pala (Myristica fragrans H) Belum Menghasilkan Dan Menghasilkan Di Desa Hutumuri Kota Ambon W Palijama; Johan Riry; A.Y Wattimena
Agrologia Vol 1, No 2 (2012)
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/a.v1i2.289

Abstract

Nutmeg (Myristica fragrans H) is native to Indonesia, which has been known as herbal plants.  Its planting areas, however, are often hindered by the presence of unwanted plants. Weeds are among the plant pest organisms (PPO), which inhibit the growth, development and productivity of crops. Identification of dominant weed species is the first step in determining the success of weed control. This research was conducted in Hutumury Village, Ambon, with an aim to determine weed species composition and dominant weed species in producing and non producing (juvenile) nutmeg plantations. The process of data collection in the field was undertaken by a survey method. The results showed 18 weed species were found in the plantation of non producing phase and 13 weed species were found in the plantation of producing phase.  In the producing plantation, the dominant weed species was Selaginella plana Heron with an SDR value of 57.80%. In the non producing plantation, the dominant weed was also Selaginella plana Heron with an SDR value of 44.42%.  The overall dominant weeds in the nutmeg plantations belonged to the annual broad leaf weeds.

Page 3 of 18 | Total Record : 176

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