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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
 12   13   14   15   16 
Rice Lines (Oriza sativa L.) Selection on Some Agronomic Characters Miranda Ferwita Sari; Jaenudin Kartahadimaja; Destieka Ahyuni; Lina Budiarti
Agrologia Vol 10, No 1 (2021): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v10i1.1293

Abstract

Most of the Indonesian population uses rice as main source of carbohydrates. The need for rice increases every year, but rice production and rice harvest area decreases every year. One way to overcome this problem is using new variety that has high productivity. This research aims to determine the agronomic characters that can be used as character selection and to select the best lines based on the character selection. The research was conducted at the Seed Teaching Farm Field of Seed Technology Study Program, Politeknik Negeri Lampung in August - December 2020. The treatment design was arranged in randomized complete block design with 1 factor (line), 3 blocks, and 3 replications. The treatments tested were 6 lines of rice plants assembled by Politeknik Negeri Lampung, namely B1, B2, B3, B4, K, L2 lines with 2 comparison varieties Ciherang and Gilirang. The characters observed were plant height, total number of tillers, number of productive tillers, flowering age and harvest age. The data from the observations were processed with SAS software and the analysis of real variance was continued by using Duncan's Multiple Range Test (DMRT) with an error rate of 5%. The results of this research indicate that the characters of the total number of tillers and the number of productive tillers can be used as a selection character and the lines that have superior characters are the K and L2 lines.Keywords: Rice Lines, Agronomic Character, Selection 
The Effects of Land Use Factor on Land Degradation due to Erosion at Primary Forest and Mixed Plantation in The District of Kairatu West Seram Regency, Maluku Province Silwanus M. Talakua
Agrologia Vol 9, No 2 (2020): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v9i2.1164

Abstract

Land use is the most vulnerable factor and has always been the main target for the effects of change by humans compared to other factors, therefore it has the potential for land degradation due to erosion. The research purposes  was to analyze  the influence of land use factors including land use area, upper vegetation density, lower vegetation density, and the dominant factors that influenced of land degradation due to erosion in primary forest and mixed plantation in Kairatu Sub District, West Seram District, Maluku Province. The method used was the measurement of land degradation indicators in the field (field assessment). The results showed that the area of land use has a significant negative effect on land degradation due to erosion in primary forest (P = 0.040*; r = -0.71), and a significant positive effect (P = 0.003*; r = +0.86) in mixed plantation. The upper vegetation density factor has a significant negative effect in the primary forest (P = 0.006*, and r = -0.82) and in the mixed plantation (P = 0.002*; r = -0.886). The lower vegetation density factor has a significant negative effect both in primary forest (P = 0.020; r = -0.77) and in the mixed plantation (P = 0.000*; r = -0.92. The dominant and most influence factors on land degradation due to erosion in the primary forest land use is the density of upper vegetation (Pparsial X2HP = 0.006*; R2 = 0.68, while in the mixed plantation is the area of land use (Pparsial X1KC / P = 0.004*) and lower vegetation density (Pparsial X3KC / P = 0.042*) with a value of R2 = 0.88.
The Effect of N in Organic + Inorganic Liquid Fertilizer on the Activity Ability and Antioxidant Properties of Tea Shoots (Camellia sinensis L. O. Kuntze) in the Rainy and Dry Season Zakarias Frans Mores Hukom
Agrologia Vol 10, No 1 (2021): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v10i1.1294

Abstract

Antioxidant is a term related to the activity ability and properties of the active ingredient.  The higher the ability of the antioxidant activity of an active ingredient, the stronger its antioxidant properties are to ward off various free radical compounds due to oxidative stress. The activity ability and antioxidant properties of tea shoots often fluctuate with changing seasons.  This study investigated the effect giving nitrogen levels in organic + inorganic liquid fertilizers on the ability of activity and antioxidant properties of tea shoots in different seasons. The experimental design used was a over season complete randomized block design consisting of 5 levels of fertilization concentration in the rainy and dry seasons. The results showed that the application of organic + inorganic liquid fertilizers without the addition of N concentration in the dry season had a significant effect on the antioxidant activity of tea shoots by 88.14%, and 34.15% higher than control plants in the rainy season and 41.81% more. Height of control plants in the dry season. The IC50 value of tea shoots in the rainy season and dry season has very strong antioxidant properties where the order of the antioxidant properties of the control plants < all concentrations of adding N to organic + inorganic liquid fertilizers < concentration of organic + inorganic liquid fertilizers without the addition of N.Keywords: Ability Antioxidant Activity, Organic + Inorganic Liquid Fertilizer, Tea shoots, Antioxidant Properties.
Effects of Biofertilizer and NPK Fertilizer to Increase the Growth of Tomato (Solanum lycopersicum) Planted In Fusarium oxysporum Infected Soils Elizabeth Kaya; Diana Mailuhu; A Marthin Kalay; Abraham Talahaturuson; Anastasia T. Hartanti
Agrologia Vol 9, No 2 (2020): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v9i2.1163

Abstract

One of the tomato plants diseases is wilting due to Fusarium oxysporum attack. Biological control and management of soil fertility are efficient options. Efforts to increase soil fertility are using organic and inorganic fertilizers. This study aims to assess and obtain doses of sago ela compost added by Trichoderma and Azotobacter (KESTA) and organic liquid fertilizer (POC) or NPK to increase tomato plants growth on pathogen Fusarium oxysporium infected-soil both on nurseries and pots. The treatments tested were the dose of KESTA (K0 = Without KESTA, K1 = 15 tons of KESTA ha-1, K2 = 30 tons of KESTA ha-1, K3 = 45 tons of KESTA ha-1) and two types of fertilizers, namely: (P0 = Without Fertilizer, P1 = liquid organic fertilizer (POC) 10 mL L-1 P2 = NPK fertilizer 1,000 kg ha-1). This study was designed using a completely randomized design. The results showed that (1) the application of KESTA and fertilizers (POC and NPK) effects the wilt disease intensity, plant height, plant fresh and dry weight at the age of 28 days after planting; and the plant height at the age of 35 days after planting, (2) The most effective dose of KESTA is 45 tons ha-1, because it can reduce the intensity of withering up to 61.92%. Meanwhile, the types of NPK and POC fertilizers could reduce the intensity of the disease by 23.08% and 13.32%, respectively, (3) the application KESTA of 45 ton / ha is more effective if given with POC or NPK, as shown by the increasing in plant height, fresh and dry weight at the age of 28 days after planting in the nursery, and plant height at the age 35 days after planting in pot.
The Incidence and Severity of Downy Mildew Disease on Local Madurese Maize Crops in Sumenep district, East Java, Indonesia Syaiful Khoiri; Abdiatun Abdiatun; Khairatul Muhlisa; Achmad Amzeri; Dita Megasari
Agrologia Vol 10, No 1 (2021): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v10i1.1295

Abstract

In Madura island, corn is the main commodity that is widely planted with an area of 301,725 ha or about 30% of the area of maize in East Java. Madura Island has local cultivars, such as: Tambin, Talango, Guluk-guluk, Manding, and Kretek. Efforts to increase production are continuously being made, starting from improving varieties until managing plant pests. One of the main diseases in maize is downy mildew. However, information about the incidence, incidence, severity, and species that cause downy mildew in local cultivars has not been reported. So, this study aims to identify the causes of downy mildew in local cultivars of Madura and disease severity in the field. The research method is a survey on local maize centers. Sampling was done by using the diagonal sampling method. Each plant sample was observed for symptoms of disease and scoring to calculate the value of disease severity. Fungi identification was carried out by microscopic observation of the fungus. The results showed that the cause of downy mildew in Madura local maize in Sumenep Regency was P. maydis. The highest incidence, disease severity, and AUDPC value after 4 MST were found in Guluk-guluk cultivars in Padangdangan Village, but had the lowest disease progression rate values. Meanwhile, the highest rate of disease progression was found in the Manding cultivar in Mandala Village. Based on the resistance category, Talango cultivar had the best resistance when compared to other cultiva.Keywords: AUDPC, downy mildew, disease progress, Madurese maize, Peronosclerospora maydis
Analysis of Carrying Capacity of Agricultural Land to Ensure Food Security in the Kei Besar Islands, Southeast Maluku Regency Pieter J. Kunu
Agrologia Vol 9, No 2 (2020): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v9i2.1162

Abstract

Study on assessment carrying capacity of food, especially rice to ensure food security was conducted in the Kei Besar Islands, Southeast Maluku Regency. The results showed that district of Kei Besar has ability to food self-sufficient and to provide a proper life for its community in Northwest and Southwest Kei Besar. While, district of South Kei Besar is able to be self-sufficiency in food but has not able to provide a better life for its communities. On the other hand, district of Northeast Kei Besar is classified as an incapable area to food self-sufficient because the existing population is greater than the availability of rice to food self-sufficiently, namely 2000 people. This shows that there is no balance between the population, demand and the availability of rice in district of Northeast Kei Besar during the year. This means that this area is threatened with food insecurity. By considering the population in this district which is still high above the optimal food self-sufficiently, the following policies are recommended: (1) expansion of upland rice farming on suitable land, (2) migration of population to other less-populated districts; (3) sharing of rice food products from surplus areas to deficit areas and or (4) equitable development to divide population concentrations in these areas.
Effectiveness Test of Trichoderma harzianum on The Development of Anthracnose Disease (Colletotrichum musae) of Ambon Banana Yusuf Tayala; Wilhemina Rumahlewang; Abraham Talahaturuson
Agrologia Vol 10, No 2 (2021): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v10i2.1427

Abstract

The decrease in the quality of bananas can be caused by the attack of the pathogen Colletotrichum musae which causes anthracnose disease. The use of the antagonist fungus Trichoderma harzianum can be relied upon to control this disease. This study aimed to obtain a more effective level of T. harzianum spore density to suppress the development of anthracnose disease in Ambon bananas. The treatment tested was T. harzianum with five levels of spore density, namely 105, 106, 107,108, and 109 spore/mL, designed using a completely randomized design with five replications. The variables observed were the incubation period and the intensity of the disease. The results showed that the spore density of 109 was effective in suppressing the development of anthracnose disease by inhibiting the incubation period to 3.85 days and suppressing the intensity of the disease to 41.4%.Keywords: Banana, Trichoderma harzianum, Anthracnose, Colletotrichum musae
The Effect of Various Treatment of Bio Boost Fertilizer On The Growth and Yield of Melon (Cucumis melo. L) Zulkarnain Sangadji; Nurul Fajeriana; Akhmad Ali
Agrologia Vol 10, No 2 (2021): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v10i2.1428

Abstract

Bio boost is a biological fertilizer containing superior soil microorganisms, useful for increasing soil fertility as a result of soil biochemical processes. Bio boost biofertilizer contains Azotobacter sp., Azospirillum sp., Bacillus sp., Pseudomonas sp., and Cytophaga sp. One of the applications of organic cultivation is the use of biological fertilizers in the cultivation of melons. Melon is a horticultural commodity that has a fairly high economic value and is profitable to be cultivated as a source of farmers' income. This research was conducted in Jamaimo Village, Mariat District, Sorong Regency from July to November 2020. This study used a single factor with a randomized block design consisting of 4 levels of treatment. Each treatment was repeated 4 times so that 16 experimental units were obtained. The concentration of Bio boost treatment is as follows: P1 = Treatment with a concentration of 500 ml bio boost + 1000 ml water; P2 = Treatment with a concentration of 700 ml bio boost + 800 ml water; P3 = Treatment with a concentration of 900 ml bio boost + 600 ml water; P4 = Treatment with a concentration of 1100 ml bio boost + 400 ml water. The results of the study found that the application of bioboost with various concentrations affected the length of the vine, the number of leaves, the weight of the fruit and the fruit diameter of the melon plant. Treatment with a concentration of 1100 ml bioboost + 400 ml water (P4) can increase the length of the tendrils up to 108.34 cm, the number of leaves 42.75, fruit weight 1.61 kg, and melon diameter 17.56 cm.Keywords: Organic_fertiliser; Bioboost; Melon
The Effect of Composting Campus Litter Granules and Inorganic Fertilizers on the Improvement of Soil Physical Properties and Corn Yield (Zea mays L.) In Inceptisol Maimuna La Habi; A.Marthin Kalay
Agrologia Vol 10, No 2 (2021): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v10i2.1429

Abstract

The addition of organic matter is done to overcome the problems that occur in acid soils such as inceptisols. The aim of the research was to develop organic fertilizer enriched in granular form from campus litter compost to improve soil physical properties and maize yield in Inceptisols. The treatments consisted of: no fertilizer (KGSK1), 8 t ha-1 granule compost (KGSK2), inorganic fertilizer (Urea, SP-36, and KCl) recommended dose (KGSK3), inorganic fertilizer + 8 t ha- granule compost (KGSK4 ), x dose of inorganic fertilizer + compost granule (8 t ha-1) (KGSK5), 2 times dose of inorganic fertilizer + compost granule 8 t ha-1 (KGSK6), x dose of inorganic fertilizer + compost granule 12 t ha- 1 (KGSK7) and 2 times the dose of inorganic fertilizer + compost 4 t ha (KGSK8). The study was designed using a randomized block design with three replications. The results of the study found that the provision of enriched campus litter granules, either applied singly or in combination with inorganic fertilizers, had a significant effect on improving soil physical properties, namely soil volume weight, soil specific gravity, soil porosity, fast drainage pores, slow drainage pores, water pores. available, and unavailable pore water were 0.90 g cm-3, 2.30 g cm-3, 7.77%, 23.54%, 8.83%, 11.62%, and 249.17%, and the yield of dry shelled corn was 7.85 tons ha- 1.Keywords: Granular compost, Corn, Inceptisol, inorganic fertilizer 
Composition and Pattern of Vegetation Distribution at the Tree Level in the Forest Area of Sorong Nature Tourism Park Ponisri Ponisri; Fajrianto Saeni; Lona H. Nanlohy
Agrologia Vol 10, No 2 (2021): Agrologia: Jurnal Ilmu Budidaya Tanaman
Publisher : Faculty of Agriculture, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ajibt.v10i2.1424

Abstract

 This study aims to determine the species composition, frequency, density, dominance, important value index (INP) and the distribution of tree species. The method used in this research is the Line Transect Plot Method. The total area of the sample plots is 1 ha (10.000 m2) with a total of 25 sample plots, which are placed purposively at the study site. Observational data were analyzed according to the parameters and described qualitatively and quantitatively and presented in the form of tabulations and pictures. The composition of vegetation types in the Sorong Nature Tourism Park forest contains 50 plant species, namely 30 known families and 3 plant species not yet traded, scientific and family names. The number of tree levels is 36 species with the largest density value (K) for resak (Vatica papuana) and guava (Syzygium, sp ) which is 29.81/ha with a Relative Density (KR) of 15.897% with the smallest density value (K). 0.962/ha, and the value of relative density (KR) was 0.5128%, respectively. The largest frequency (F) value is found in guava with a value of 0.731, relative frequency (FR) of 13.19%, and the lowest value of frequency (F) is 0.038 %, the smallest relative frequency (FR) is 0.694%. With the largest dominance value (C) in resak plants of 2,561 and relative dominance of 15.95%, while the lowest dominance was 0.033 and relative dominance was 0.208%. Where the highest Importance Value Index (INP) is on the guava tree at 43.117 and the lowest Important Value Index (INP) is in the Trichadenia tree, sp 1.3964. The distribution pattern at the tree level is based on the morista index, which is spread in groups or in clusters.Keywords: Composition, Vegetation, Nature Park

Page 14 of 18 | Total Record : 176

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