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Agrocentrum
Published by Universitas Pembangunan Nasional Veteran Jawa Timur
ISSN : -     EISSN : 29876842     DOI : https://doi.org/10.33005/agrocentrum.v1i1.
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The aims of the journal are to publish and disseminate high quality, original research papers and article review in plant science i.e.: agronomy horticulture plant breeding soil sciences plant protection
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 36 Documents
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Analisis Vegetasi dan Identifikasi Kandungan Fitokimia Gulma pada Lahan Tebu (Saccharum officinarum L.): Vegetation Analysis and Potentials Phytochemical Identification of Weed in Sugarcane Fields (Saccharum officinarum L.) Puji Lestari Tarigan; F. Deru Dewanti
Agrocentrum Vol. 1 No. 1 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i1.2

Abstract

Sugarcane is one of the dry land commodities. Biotic and abiotic factors can influence sugarcane growth. Sugar cane can experience disturbances caused by wild plants around it. Weeds are nuisance plants that can decrease sugarcane production. Besides that, the diversity of weeds also has much potential to become a source of food, industry, and medicine. There are 10 species of weeds were found growing at the same time. Through biological identification, it is known that there are 2 types of weeds broad-leaf weeds and narrow-leaf weeds/grasses. Based on observations, the most dominant weed species is Cayratia trifolia. This weed belongs to the broad-leaf type, has a perennial life cycle, and reproduces by root tubers and seeds. Weeds can be controlled effectively using the 0.5% 240SL method. The most appropriate time for weed control in sugarcane is 60-120 hst. In addition, from the literature review, it is known that all weeds have the potential to be used as medicines for human health and also for biological control. So, this really supports science development for advanced use.
Fruit Set dan Daya Simpan Buah Tanaman Cabai Rawit (Capsicum frutescens L.) Akibat Pemberian Paklobutrazol dan Pupuk Organik Cair Buah Pisang : Fruit Set and Fruit Shelf Life of Cayenne Pepper (Capsicum frutescens L.) Due to of Paclobutrazol and Banana Liquid Organic Fertilizer Nova Triani; Agus Sulistyono
Agrocentrum Vol. 1 No. 1 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i1.3

Abstract

Increasing the productivity of cayenne pepper (Capsicum frutescens L.) can be done through the use of growth regulators, namely paclobutrazol and liquid organic fertilizer. Treatment of paclobutrazol concentrations and doses of liquid organic fertilizer derived from banana fruit waste is expected to increase the fruit set and storability of the resulting cayenne pepper. The purpose of this study was to determine the best concentration of paclobutrazol and POC banana fruit to increase the fruit set of cayenne pepper, and to determine the best concentration of paclobutrazol to produce cayenne pepper with a more resistant shelf life. The research method used was using a Split Plot Design with the main plot being the dosage of liquid organic fertilizer for bananas, which consisted of NPK 40 g/plant (control), 300 ml/plant POC banana, 400 ml/plant and 500 ml/plant POC bananas. While the concentration of paclobutrazol as a sub-plot, which consisted of 0 ppm/without paclobutrazol (control), 100, 150 and 200 ppm. The results showed that there was a significant interaction between the combination treatment concentrations of paclobutrazol and the dosage of liquid organic fertilizer for bananas in the observed parameter of fruit set percentage. A higher percentage of fruit set was obtained from the combination treatment of 150 ppm paclobutrazol concentration with a dose of 300 ml/plant of banana liquid organic fertilizer. The concentration of paclobutrazol had a significant effect on the storability of cayenne pepper. Cayenne pepper that more resistant to storage were obtained from treatment with a concentration of 150 ppm paclobutrazol.
Pengaruh Dosis Pupuk Organik Kompos dan Phonska Terhadap Pertumbuhan dan Produksi Tanaman Mentimun (Cucumis sativus L.): Effect of Organic Fertilizer Doses Compost and Phonska on The Growth and Production of Cucumber Plants (Cucumis sativus L.) Lody Bintang Extrada; Supriyono Supriyono; Samudi Samudi
Agrocentrum Vol. 1 No. 1 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i1.4

Abstract

Cucumber (Cucumis sativus L.) is a type of vegetable from the cucurbit family (Cucurbitaceae) that is already popular all over the world. According to history, cucumber plants originated on the Asian continent. Some sources mention the area of origin of cucumber crops is North Asia. This research has been carried out from January to March 2022 at the Green ccHouse located in Slumbung Hamlet RT. 02 / RW. 22 Village. Slumbung Kec. Ngadiluwih Kab. Kediri. The type of soil in this place is sandy loam.This study used a complete randomized design (RAL) with 2 factors. Factor 1 is the influence of the dose of compost from 3 levels and factor 2 is the influence of the dose of phonska fertilizer from 3 levels so that 9 treatments are repeated 3 times, Factor I. Dose of compost organic fertilizer consists of 3 levels, namely: K1 = 5 tons / Ha, K2 = 10 tons / Ha, K3 = 15 tons / Ha, Factor II. The dose of NPK phonska fertilizer consists of 3 levels, namely: P1 = 100 gr / Ha, P2 = 200 gr Ha, P3 = 300 gr / Ha . The observational data were analyzed using a variance analysis (F test) at a level of 5%. If there is an interaction, it is continued with the 5% BNT test, to find out the difference between treatments. The results showed that the combination of treatment of compost doses and doses of NPK phonka fertilizer showed a noticeable difference in plant height, number of fruits and fruit weight in cucumber plants. In a single treatment, the dose of compost did not show any effect on all observation variables. However, the K1 treatment at a dose of 180 gr / plant became the optimal treatment on the variables of the number of leaves stem diameter, fruit weight, and fruit length. However, in the variable plant height and the number of fruits the best treatment in K2 at a dose of 360 gr / plant. The second factor in the treatment of doses of NPK phonska fertilizer has no influence on the growth and yield of cucumber plants. However, in mite treatment such as npk dose phoska P2 with a dose of 7.2gr / plant became the optimal treatment in this study on plant growth variables that followed the length of the plant, the number of leaves and the diameter of the stem. Meanwhile, the yield variables which include the number of fruits, fruit weight and fruit length of the NPK phonska treatment at a dose of 10.8gr / plant is the best treatment.
Penyiangan dan Pemangkasan Cabang Tanaman Tomat (Lycopersicon esculentum Mill.) terhadap Keragaman dan Kepadatan Gulma: Weeding and Pruning of Tomato (Lycopersicon esculentum Mill.) on Weed Diversity and Density Nur Hidayat; Jody Moenandir
Agrocentrum Vol. 1 No. 1 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i1.5

Abstract

A field experiment to examine the effect of weeding and reducing the number of branches on tomato plants (Lycopersicon esculentum Mill.) on weed diversity and density was carried out in the Griya Santa research area, Lowokwaru District, Malang City with andosol soil type. This experiment was designed in a factorial randomized block design (RBD) with 2 factors and 3 replications. The first factor is: the weeding period (P) which consists of 3 weeding periods, i.e. without weeding (P0), 2 times weeding at 30 and 58 days after planting (P1) and 3 times weeding at 30, 44 and 58 days after planting (P2). The second factor was: pruning the number of tomato plant branches (W) which consisted of 3 levels, namely: Without pruning branches (W0), Pruning branches leaving 2 branches (W1) and Pruning branches leaving 4 branches (W2). All treatment plots were repeated 3 times. The experimental results showed that at 30 DAP (P0W0) there were 2 dominant weeds namely Portulaca oleraceae and Cyperus rotundus. At 44 DAP it showed that there were also 2 dominant weeds namely: Ricinus communis and Cyperus rotundus. The most dominant P2W0 weed treatments were Ricinus communis and Ageratum conyzoides. The P0W1, P1W1, P0W2, and P1W2 treatments had weed species: Ricinus communis and Cyperus rotundus. The dominant weeds found in the P2W1 and P2W2 treatments were Ricinus communis and Portulaca oleraceae.
Eksplorasi dan Identifikasi Bacillus sp. dari Tanah Rizosfer Bambu dan Tomat di Kelurahan Made, Sambikerep, Surabaya : Exploration and Identification of Bacillus sp. from Bamboo and Tomato Rhizosphere Soil in Made Village, Sambikerep, Surabaya Fatimah Lailatus Saadah; Noni Rahmadhini; Suharto
Agrocentrum Vol. 1 No. 1 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i1.7

Abstract

Bacillus sp. is one of the Biological Control Agents (BCA) that has effectiveness in inhibiting pathogenic bacterial and fungal pathogens. The purpose of this study was to determine the presence of Bacillus sp. on bamboo and tomato root soil. The research stage started from the exploration stage which was carried out on agricultural land in Made Village, Sambikerep District, Surabaya City. Soil sampling was taken compositely at 5 different points. From the isolation results, 6 bacterial colonies were found which were suspected to Bacillus sp. The six isolates were BS 1, BS 2, BS 3, BS 4, BS 5, and BS 6. Of the six colonies, only BS 3 colonies could not grow. The results of the isolation were then identified by colony morphology, physiological and biochemical characteristics. The results of the gram test showed that BS 2, BS 4, and BS 6 were gram-positive. The results of the soft rot test showed that BS 6 showed a positive reaction. So that it is suspected as Bacillus sp. are BS 2 and BS 4.
Isolasi Jamur yang Berasosiasi dengan Kumbang Ambrosia pada Pohon Angsana (Pterocarpus indicus): Isolation of Fungus associated with Ambrosia Beetle on Angsana Tree (Pterocarpus indicus) Mochammad Mirza Saputra; Laksamana Agadhia Raharjo; Mohamad Adi Wijayanto; Muhammad Qoyyimul Amri; Ika Nur Fitriana
Agrocentrum Vol. 1 No. 2 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i2.10

Abstract

Insect pests are organisms that can damage plants and have a high level of damage. However, it is not only insects that need to be watched out for but also the microorganisms they carry inside and outside their bodies. These insects are referred to as vectors. Ambrosia beetle is a plant vector that carries both saprophytic and pathogenic fungi. There is little information about ambrosia beetles and the mushrooms they carry, so they need to be studied further. This study aimed to determine the fungi associated with the ambrosia beetle on Angsana trees (Pterocarpus indicus). The research used purposive sampling by examining the symptoms and signs of an ambrosia beetle attack. The identification process is based on morphological forms and entomology manuals. The results obtained based on morphological identification showed that the ambrosia beetle came from the genus Cryphalus sp. In contrast, the associated fungus comes from the genus Geosmithia sp. It is known that the fungus Geosmithia sp. can act as a pathogen so that it can damage Angsana trees.
Penyakit pada Tanaman Buncis (Phaseolus vulgaris) beserta Teknik Pengendaliannya di CV. Reja Mayur : Diseases of Bean Plants (Phaseolus vulgaris) and Control Techniques in CV. Reja Mayur Frida Nur Aisah; Yenny Wuryandari
Agrocentrum Vol. 1 No. 2 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i2.11

Abstract

Beans (Phaseolus vulgaris) are widely cultivated by farmers in several regions in Indonesia, one of which is in CV. Reja Mayur Pacet, Mojokerto. Beans (Phaseolus vulgaris) is a type of legume that is usually used as a cooking ingredient.Obstacles that are often experienced in the cultivation process cause the quantity and quality of production to decrease, namely the attack of disease-causing pathogens on plants. The study was conducted in November-December 2022. The research used observation methods, literature studies, active participation, and interviews. The data collected are the type of disease in chickpea plants, symptoms of the disease, and the technique of controlling the disease. The results of the study found that there are 3 types of diseases that attack chickpea plants in CV. Reja Mayur, namely leaf rust, anthracnose, and mosaic. Some of the control techniques applied are the use of PGPR, crop rotation, mechanical control, and the use of vegetable pesticides.
Pengaruh Pupuk Organik Cair Berbasis Bahan Lokal Terhadap Pertumbuhan dan Hasil Jagung di Tanah Regosol Bantul: The Effect of Liquid Organic Fertilizer Based on Local Ingredients on the Growth and Yield of Corn in Regosol Soil of Bantul Eko Srihartanto; Soeharsono Soeharsono; Agung Iswadi
Agrocentrum Vol. 1 No. 2 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i2.12

Abstract

Liquid organic fertilizer (LOF) based on local ingredients is expected to increase corn productivity in regosol soil. The purpose of this study was to find out the best dose to increase the growth and yield of corn in Bantul regosol soil. The methodology used a complete randomized block design with 6 treatments (control, very low POC dose of 5 ml/l, Low 7.5 ml/l, Moderate 10 ml/l, High 12.5 ml/l and Very High 15 ml/l) each of which was repeated 4 times so that there were 24 treatments. Observation of vegetative - generative growth and yield of corn plants. The collected data were processed and analyzed statistically using variance (ANOVA/Analysis Of Variance) and followed by a follow-up test at the 5% level of significance to see differences between treatments. The results showed that the best Megarhizo POC dose was 7.5 ml/l, this was indicated by the optimum plant growth and the highest maize yield of 10.26 tons/ha compared to other treatments.
Karakteristik Pupuk Organik Cair Berbasis Limbah Vinasse Melalui Teknologi Aktivasi : Characteristics Of Vinasse Waste-Based Liquid Organic Fertilizer Through Activation Technology Angga Handika Putra; Wanti Mindari; Purwadi Purwadi
Agrocentrum Vol. 1 No. 2 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i2.13

Abstract

Utilization of vinasse waste as POC has great potential in the agricultural sector. This is because there is an abundance of vinasse waste originating from the bioethanol industry sector. So action is needed so that vinasse waste can be utilized into a profitable product. This research aims to test the potential of vinasse waste if it is processed into POC. Apart from using vinasse waste as the main raw material, the formula also added organic ingredients such as straw ash, humate, husk charcoal and filter cake dregs which were fermented for 5 weeks. Based on the research results, the content of N, P, K and C-organic elements cannot comply with the 2019 Ministry of Agriculture Quality Standards. Meanwhile, the content of Na and pH elements is appropriate, but for Fe only the F2 and F4 T1 treatments can be appropriate.
Pengaruh Pemberian Pupuk Daun dan Pemangkasan Terhadap Produksi Belimbing (Averhoa carambola L.): Effect Of Foliar Fertilizer and Pruning on The Production of Star Fruit (Averhoa carambola L.) Dwi Haryanta
Agrocentrum Vol. 1 No. 2 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i2.14

Abstract

Flower and fruit loss and low fruit quality are complex problems faced in star fruit cultivation. The research aims to determine the effect of pruning twigs and applying foliar fertilizer on plant growth, quantity and quality of fruit. Factorial research using two treatment factors. . Factor I is the type of foliar fertilizer, consisting of D0 = No foliar fertilizer (control), D1 = SB foliar fertilizer (8-20-15), D2 = HP foliar fertilizer (10-40-15), and D3 = DN foliar fertilizer (10-30-37). Factor II is the interval for applying foliar fertilizer, consisting of I1 = once every 7 days interval, I2 = once every 10 days interval, and I3 = once every 14 days interval. The research used plant material of the same age, as replications, groups of plants were used that were differentiated according to the pruning model, namely P0 = Plants that were not pruned as replication I, P1 = Plants that only had their wiwilan branches pruned as replication II, and P2 = Plants that had their branches pruned wiwilan and clustered branches (remaining the good ones) as repetition III. The results showed that application of foliar fertilizer and pruning of branches increased the number of fruit, fruit weight and size of sweet star fruit. Pruning wiwilan branches and reducing clustered branches has the greatest effect on the number of fruit, fruit weight and fruit volume compared to other pruning intensities. The research results can be used as a reference for star fruit farmers in determining maintenance actions, especially in fertilizing and pruning to regulate the canopy. while increasing production.

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