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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
 14   15   16   17   18 
Potential of Ethanol Extract of Forest Clove Leaves (Syzygium Obtusifolium L.) As A Biolarvacide on The Mortality Of The Dengue Fever Vector Aedes Aegypti Mustakim Rumasukun; Maria Nindatu; Martha Kaihena; Hery Jotlely
Agrologia Vol 11, No 2 (2022): 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.v11i2.1654

Abstract

The content of eugenol forest clove (Syzygium obtusifolium L.) have the ability as a natural larvacidal agent, in addition to saponins and flavonoids these compounds can affect the digestive system of Aedes aegypti larvae so that the larvae experience stomach poisoning which results in the death of the larvae. The aim of the study was to determine the effectiveness, effective concentration, and determine the LC50 of ethanol extract of forest clove leaves as a biolarvasidal against the mortality of Aedes aegypti mosquito larvae. The type of research is a laboratory experiment, the research is carried out in the Laboratory of Parasitology, Department of Biology, Faculty of Natural Science Pattimura University. The study used a completely randomized design (CRD). The results were analyzed by Analysis of Variance using the SPSS IBM 24.00 program. The results showed that the ethanol extract of forest clove leaves as a biolarvaside against the mortality of Aedes aegypti mosquito larvae because the administration of ethanolic extract of forest clove leaves with each different concentration can kill with a concencentration of 0,3% effective as biolarvasidal of Aedes aegypti larvae and the LC50 value 0f 0,01 % prospectively development as a biolarvaside
The Effect of Organic Fertilizing on Changes In Chemical Properties and Growth of Passage Plants (Brassica juncea) on Psamment Soil Elizabeth Kaya; Simson Liubana; Delvi Polnaya
Agrologia Vol 11, No 2 (2022): 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.v11i2.1651

Abstract

Soil quality indicates the ability of the soil to perform its functions in land use or ecosystems. The aim of the study was to determine the effect of liquid organic fertilizer and sago ella compost on available NPK, NPK uptake and growth of mustard (Brassica Juncea) in Psament soil. This research was conducted in the laboratory and in the Greenhouse. The experiment used compost fertilizer at doses of 0.10, and 20 tons/ha, and liquid organic fertilizer with doses of 3 ppm and 6 ppm. The results of the study found that the application of compost had a significant effect on P-available, available K and plant height, liquid organic fertilizer had a significant effect on P-available, soil pH, N uptake. The interaction between the two had an effect on P and K uptake and the number of leaves had no significant effect.
Damage to Banana Plants By Leaf Roller Caterpillar (Erionota thrax L) On Ambon Island Wulandari Subari; Nureny Goo; Victor George Siahaya
Agrologia Vol 11, No 2 (2022): 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.v11i2.1575

Abstract

ABSTRACTThe study aimed to obtain data on the attack intensity of Erinota thrax at different altitudes of places and find out the banana  cultivars with the lowest attack intensity.  This study used a random sampling method at three locations with different heights. The data analysis used is  a simple quantitative analysis to determine the magnitude of the attack  intensity.   The intensity of E. thrax attacks in three different places has varying percentages.  The number of leaf rolls Tulehu Village is 300 with a damage intensity  of 63.14% (heavy),   Keranjang Village was 200 with a damage intensity of 59.36% (heavy), and Tawiri Village was 187 with a damage intensity of 39.11% (medium). The greatest number of leaf rolls is 14 per leaf blade.  The lowest intensity in Tawiri Village is dominated by the cultivars of Kepok  and Emas, while the highest intensity is in Tulehu Village and Keranjang Village which is dominated by three cultivars, Raja, Kepok, and Emas. The difference in numbers between leaf rolls and larval populations is thought to be due to environmental parameters, such as wind and precipitation. 
Investigation of Rock Resistivity Using Geoelectrical Methods in the Alluvial Plain of Poka Village, Teluk Ambon District, Ambon City Pangeran Michael Sihaloho; Andrias Latupapua; Simson Liubana
Agrologia Vol 12, No 1 (2023): 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.v12i1.1622

Abstract

Rock resistivity measurements using the Schlumberger geoelectrical configuration method have been carried out on the alluvial plains of Poka Village, Teluk Ambon District, Ambon City. Two measurement paths are 200 m long and 120 m long, respectively, perpendicular to each other. The results showed that the rock resistivity values ranged between 11,44 – 849,29 m. Unconfined aquifer are found at a depth of 2,61 m to 22,92 m, while semi-confined aquifers are found at a depth of more than 31,43 m. Seawater intrusion has not occurred yet so groundwater in aquifers can be used as source of irrigation water for crops.
Effect of Grafting Position on Grafting Success Rate of Local Durian (Durio zibethinus L.) from Maluku Marthini Kristina Lesilolo; Asri Subkhan Mahulette; Sofieka Sania
Agrologia Vol 12, No 1 (2023): 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.v12i1.1645

Abstract

Indonesia is the centre of origin and distribution of durian plants globally, so it has a high genetic diversity of durian plants. Durian propagation can be done vegetatively through grafting. The success of durian grafting is primarily determined by many factors, one of which is the grafting position. This study aimed to examine the best grafting positions on the success rate of grafting of local durian (Durio zibethinus L.) from Maluku. The research was carried out in a nursery located in Telaga Kodok hamlet, Hitulama Village, Leihitu District, Central Maluku Regency, which lasted for six months, namely from December 2021-February 2022. The study was in an experimental form using a randomized block design (RAK) 1 factor with five repetitions. The factor being tested is the position of the grafting, which consists of 5 levels: grafting on the stem hump, grafting 10 cm, 15 cm, 20 cm, and 25 cm above ground level. The study's results obtained information that the grafting position treatment had a significant effect on the percentage of success and the increase in the number of leaves at the end of the observation. The highest rate of grafting success in the study was found in the treatment of the grafting position on the stem stump, which resulted in a success percentage of 98%.
The Effect Of Climate Change On Productivity Of Clove (Syzigium Aromaticum) In Haruku Island, Central Maluk Regency Imelda Jeanette Lawalata; Herman Rehatta; Semuel Leimaheriwa; Johana Audrey Leatemia
Agrologia Vol 12, No 1 (2023): 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.v12i1.1808

Abstract

The world trade history has recorded Maluku as a spice-producing region, including cloves. This commodity has high economic value and is the main source of income for farmers in several areas in Maluku Province. Climate is an environmental factor that also influences plant metabolism and physiology, so that changes in some elements of climate can have a negative impact on plant growth and productivity. The objective of this study was to get information regarding effect of climate variable on productivity of cclove in Haruku island, Central Maluku Regency. Data was collected by field srvey, while secondary data was gathered form related agencies. The results showed that the Haruku Island area with a local-unimodal rain pattern experienced an increase in annual rainfall of 11.8% in the period of 1991-2020 compared to the previous period (1961-1990). The rainy season rainfall (April-September) tends to increase by 15.2%, while the dry season rainfall (October-March) does not show a significant increase, namely only 1.3%. In the last 60 years (1961 – 2020) in the Haruku Island region, El-Nino extreme dry rainfall occurred 19 times. La-Nina wet extreme rainfall events occurred 14 times. Climate variables that affect production are the average annual length of solar radiation, the average annual relative humidity and the amount of annual rainfall
The Effect Of Concentration Of AB Mix Nutrition And Plant Media On Plant Growth And Results Green Sawis (Brassica rapa) With a System Substrat Hydroponics Herman Rehatta; Imelda J. Lawalata; Albertina Hiwy
Agrologia Vol 12, No 1 (2023): 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.v12i1.1653

Abstract

The research aimed to examine: 1) The effect of AB Mix nutrient concentration on the growth and yield of green mustard, 2) The effect of growing media on plants mustard greens under a substrate hydroponic system, 3) The interaction effect hydroponic nutrient concentration and growing media (cocopiet, husk charcoal and sand) under the substrate hydroponic system. The study used a two-factor randomized block design with three replications. Observation variables included: plant height, leaf number , leaf area, plant fresh weight, root length and root fresh weight. The results showed that the nutrient concentration treatment of AB Mix showed insignificant effects on the variables of plant height (42 Day After Planting), root length and root fresh weight but gave significant effects on leaf number (42 DAP), leaf area and plant fresh weight. The treatment of growing media and the interaction between nutrient concentrations of hydriponic nutrient and growing media showed insignificant results for all observed variables.
Inventory of Weed Types on Clove Plants (Syzygium aromaticum L.) with Different Altitudes in Waai Village, Salahutu District, Central Maluku. Elia L. Madubun; Abdul Karim Kilkoda; Imelda Grace Walasary
Agrologia Vol 12, No 1 (2023): 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.v12i1.1664

Abstract

This study aims to determine the dominant type of weed in the clove plantation area at an altitude of 63 m above sea level and 120 meters above sea level. This study uses a purposive sampling method of vegetation analysis with a sample plot of 1m´1m. The results showed that at an altitude of 63 m dpl found 23 types of weeds from 16 families consisting of 12 types of broad leaf weeds (broad leaf) from 11 families, 5 types of grass weeds (grass) from 3 families, 2 types of tekian weeds (cyperaceae). from 1 tribe, 2 types of ornamental plants from 2 tribes and 2 types of fern weeds from 2 tribes. Meanwhile, at an altitude of 120 m above sea level, 26 types of weeds were found from 22 tribes consisting of 13 types of broad leaf weeds from 12 families, 4 types of grass weeds (grasses) from 4 families, 5 species of fern weeds (fern) from 4 tribes. , 1 type of fern weed from 1 tribe and 3 types of tekian weed from 1 tribe.
Response of Growth and Yield of Shallots (Allium cepa L.) in Dry Land on the Application of Smart K – Drip Fertigation Nur Iman Muztahidin; Alfu Laila; Yessica C.N. Sihombing; Andi A. Fatmawaty; Nuniek Hermita
Agrologia Vol 12, No 1 (2023): 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.v12i1.1781

Abstract

This study aimed to determine the effect of various doses of Smart K-Drip Fertigation on the growth and yield of shallots (Allium cepa L.) in dry land. The field research was arranged in a Randomized Completely Block Design (RCBD) consisting of one factor with 4 replications. The treatments were Control (Conventional/without Smart K-Drip Fertigation), K50 (Smart K-Drip Fertigation with a K-fertilization dose of 50% of the recommendation), K75 (Smart K-Drip Fertigation with a K-fertilization dose of 75% of the recommendation), K100 (Smart K-Drip Fertigation with a K fertilizer dose of 100% of the recommendation), K125 (Smart K-Drip Fertigation with a K fertilizer dose of 125% of the recommendation), and K150 (Smart K-Drip Fertigation with a K fertilizer dose of 150% of the recommendation ). The results showed that the dose of Potassium (K) 75% with the application of Smart K-Drip Fertigation gave the best results on shallot growth and yield parameters, and showed that fertilization with drip fertigation was more efficient than conventional fertilization. In conclusion, it can be stated that the use of Potassium in shallots can be reduced by 25% by fertilizing with drip fertigation in dry land.
Azotobacter and Pseudomonas Population in Rhizosphere and Yield of Choy Sum following Chemical Fertilizer and Biofertilizer application Reginawanti Hindersah; Adita Rizky Syntianis; Ade Setiawan; Rina Devnita; Nursuhud Nursuhud
Agrologia Vol 12, No 1 (2023): 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.v12i1.1774

Abstract

Inoculation of beneficial microbes is a way to improve the population of rhizobacteria that has a role in nutrient cycle and hence reduce the level of chemical fertilizer. A pot  experiment was performed to evaluate the effect of and consortia biofertilizer combined with various dose of NPK compound fertilizer on the population of nitrogen-fixing Azotobacter sp. and phosphate solubilizing Pseudomonas sp. in rhizosphere and yield of choy sum (Brassica juncea L.). The experimental was setup in completely randomized block design consisted of ten combinations of various biofertilizer and inorganic fertilizer dose; and three replications. The results showed that Biofertilizer inoculation with or without chemical fertilizer did not improve the population of Azotobacter and Pseudomonas in the rhizosphere but increase the shoot weight of choy sum. Higher shoot weight was showed by crops with ¾ dose of NPK combined with recommended or reduced dose of fertilizer; and recommended dose of NPK and biofertilizer. This experiment verified that the used of consortia biofertilizer composed of Nitrogen-fixing bacteria and phosphate-solubilizing microbes reduced 50-75% dose of NPK.

Page 17 of 18 | Total Record : 176

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