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Haris Setyaningrum
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INDONESIA
Gontor AGROTECH Science Journal
Published by Universitas Darussalam Gontor
ISSN : 2460495X     EISSN : 24775800     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
Gontor AGROTECH Science Journal (GASJ) is a sciencetific journal published biannual (june and december), covered but not limited issues in agronomy, integrated farming, sutainable agriculture, plant cultivation, soil science, plant protection, pest and diseases. GASJ published research article, short notes, review papers or review concept in above mentioned subjects
Arjuna Subject : -
Articles 155 Documents
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The Efficacy of Several Fungicides Against Root Rot Disease (Phytophthora capsici Leonian) on Pepper Farriza Diyasti; Erwin Irawan Permana
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.8841

Abstract

Root rot disease caused by the fungus Phytophthora capsici can cause up to 60% yield loss of pepper in West Kalimantan, which is spread across Singkawang, Bengkayang, Pontianak, Sintang, and Sekadau Regencies. Control of BPB chemically with fungicide is considered to be effective enough to suppress BPB both in vitro and in the field. This study aims to examine the effectiveness of several fungicide active ingredients that are widely used in BPB control, namely Chlorotalonil, Azoxystrobin, Mankozeb, and Phosphoric Acid. Efficacy tests were carried out on sample plant plots consisting of 25 sample trees for each treatment of the active ingredient of the fungicide. Fungicide application was carried out 3 times (2-week intervals) within 3 months. BPB attack intensity was calculated to obtain the Efficacy Level (TE) category of the active ingredients used. The fungicide with the active ingredient phosphite acid showed the highest efficacy level of 30.06%, while the active ingredients Azoxystrobin and Mankozeb had TE values of 29.01% and 28.23%, respectively. The lowest result was the function with the active ingredient Chlorotalonil with a TE percentage of only 4.13%.
The Effect of Arbuscular Mycorrhizal Tablets and Sachets on the growth of Pueraria javanica Namrawati Ahmad; Muhammad Akhsan Akib; Sri Nurqadri; Syatrawati Syatrawati; Retno Prayudyaningsih
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.8877

Abstract

Pueraria javanica (P. javanica) is a type of Leguminosae with a vine growth type with well-fixation nitrogen, so that can be used as a ground cover plant and forage food riched in protein (15-25%). In addition, the beneficial ability in symbiosis with arbuscular mycorrhizal fungi (AMF) has caused this plant to be utilized as the host plant for testing the effectiveness of different dosage forms of AMF on the growth of P. javanica which was carried out in Bukit Harapan sub-district, Parepare City at an altitude of 37.0 m asl with the coordinate point 3°59'30” S and 119°38'43” E. The study was conducted according to a randomized block design (RBD), AMF treatment dosage forms tested was powder (B1)/control, sachet (B2), and tablet (B3). The results showed that the form of AMF did not affect the effectiveness of stimulating the root length growth and volume, as well as the leaf number of P. javanica. AMF in tablet and sachet forms can enrich the AMF dosage form and can be a novelty for this field
The Effect of Different Types of Plant Media Composition on Growth And Physiology of Tomato Slamet Rohadi Suparto; Rama Adi Pratama; Yesira Setyo Palupi; Etik Wukir Tini
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.8988

Abstract

The study aims to determine the effect of several planting media on the growth and physiology of tomato plant seedlings except for soil. This research was conducted from March to May 2021 at the Greenhouse and Laboratory of Agronomy and Horticulture, Faculty of Agriculture, Jenderal Sudirman University, Purwokerto. The research method was the Completely Randomized Block Design (CRBD) with one factor and three replicated designs. The data obtained were analyzed using the F test with a 5% level, followed by Duncan's Multiple Range Test (DMRT) with a 5% level. The result shows that the planting medium of husk ash and compost (1:1) gave the best effect on average several observation parameters on plant height 25.17 cm, number of leaves 25 strands, leaf area 12.75 cm2, fresh crown weight 6.55 g, dry crown weight 1.32 g, root length 17.92 cm, fresh root weight 0.86 g, dry root weight 0.286 cm. While, the average relative growth rate of 0.341 g/day, and the net assimilation rate was 0.036 g/cm2/day. Other results showed that the composition of the planting media which includes a combination of sand, cocopeat, burnt husks, husk ash, and compost has an influence on the growth and physiology of seedlings but does not increase the chlorophyll content and greenness of the leaves of tomato plant seeds.
Study of Interest of Farmer Group Like Forward in The Use of Trichoderma Asperellum in Rice Cultivation in Bomba Village, Sigi District Sayani sayani; Sri Sudewi; Ratnawati ratnawati; Kasman Jaya; Renaldi renaldi; Abdul Rahim Saleh
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.9242

Abstract

The intensive and excessive use of chemical fertilizers and pesticides can have various impacts on soil fertility, farmers' health, and impacts on the environment. One alternative to minimize this impact is by using microorganisms, namely the fungus Trichoderma asperellum. This study aims to find out how interested or interested members of the Suka Maju Farmer Group in Bomba Village, Sigi Regency, Central Sulawesi, are in applying Trichoderma asperellum to rice cultivation land. The method used is quantitative descriptive analysis with primary data collection including observation, direct interviews, and semi-structured questionnaires that have been prepared, while secondary data is obtained from literature studies or source tracing related to research issues. Respondents in this study were all members of the Suka Maju Farmer Group, totaling 25 people. Data analysis used descriptive analysis using Microsoft Excel 2013 software. The observational variables of this study were the internal and external factors of the respondents, the level of interest of the respondents based on indicators of disinterest, lack of interest, interest, and very interest as well as the distribution of interest indicators (satisfaction, willingness, spirit, skill) with the use of T. asperellum. The results obtained were that members of the Suka Maju Farmer Group in Bomba Village had an interest of ≥ 70% in the use of T. asperellum in rice cultivation. To attract farmers' interest, counseling strategies, training, and continuous assistance from agricultural extension workers are needed, information delivery using effective and optimal media and supported by effective communication between extension farmers and related parties.
The Effect of Different Types Manure and Altitude on Wheat Production Siti Nurul Iftitah; Nurul Baroroh Ayyu Rahmawati; Vatjarjinanto Vatjarjinanto; Ringguh Puji Utami
Gontor Agrotech Science Journal Vol. 9 No. 2 (2023): December 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.9555

Abstract

The aim of this research is to know the effect of different manure types on the yield of wheat (Triticum aestivum L.) dewata 162 at different altitudes. The study used a factorial experiment arranged in a completely randomized block design with three replications. The first factor is the type of manure; cow, chicken, goat manure. The second factor is the difference in altitude; lowlands, midlands, and highlands. The results showed that the application of manure and different altitudes affected several parameters such as protein content, gluten content, and the weight of 1.000 dry beans. Chicken manure showed the highest dry weight of 1,000 seeds. The highest content of protein, gluten, and weight of 1,000 dry seeds are found in the lowlands.
Phenotype Evaluation and Estimation of Genetic Parameter of Baby Corn From Two Generation Selfing and Sibbing Nailan Nabila; Yudiwanti Wahyu
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.9620

Abstract

Baby corn is consumed widely in Indonesia, but special corn varieties for baby corn production are not available until now. The objectives of this study were to evaluate phenotypes, estimate the genetic parameters from two generations of selfing and sibbing, and identify the genotypes to develop as baby corn variety. This study was conducted using a completely randomized block design with three replications. Genetic materials used consist of 19 genotypes. They were four genotypes S0, HS1, S1, S2 and three genotypes of HS2. Progenitors(S0) were Laksmi, Golden, Hawaii, and Baruna belonging sweet corn type. Baby corn’s phenotypes from two generations sibbing were more vigor than selfing. Families of HS2 dan S2 have a higher percentage of class A marketable cobs than generations before. Two generations sibbing and selfing increased genetic variances and broad-sense heritability. Families of HS2 had better phenotypic performance than S2, the percentage of class A marketable cobs was higher than S0 and HS1, number of cobs per plant was the highest broad-sense heritability estimation. HS2 families were considered to develop as open-pollinated baby corn varieties.
Effects of Media Combination and Fertilization Frequency on Growth and Yield of Pakcoy Afifah Farida Jufri; Amrul Jihadi; Anjar Pranggawan Azhari; Dwi Noorma Putri
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.9729

Abstract

The demand for pakcoy continues to increase as more people must be aware of their nutritional needs. One important factor in pakcoy cultivation is the use of planting media. The main objective was to find out the best media combination and frequency to apply fertilizers for efficiency in intensive growing. The research was conducted in Cikabayan, IPB Bogor using RAL Factorial with six treatment combination and three replications. The first factor was media combination (rice husk, cocopeat, and compost), while the second factor was fertilization frequency (every week and every two weeks). Parameters observation consists of vegetative growth (plant height, number of leaves wide and length of leaves, and width of the stump) and plant production (wet weight and weight suitable for consumption). Research results indicated that planting media combination of rice husk and compost (1:1) gave a better result than other treatments in increasing leaf length (11.36 cm) and wet weight (47.12 grams). The frequency of application of foliar fertilizer had no different effect on pakcoy growth and yield and no interaction significantly between media combination and fertilization frequency.
Analysis of Soil Chemical Properties, Production, and Nitrogen Content of Pakcoy in Various Growth Media and Trichoderma Dosages Ratih Rahhutami; Aline Sisi Handini; Dwi Astutik; Yeni Yeni
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.9885

Abstract

The use of compost added by Trichoderma is one of improving the soil's chemical properties and can be used to increase the production of pakcoy plants. The purpose of this study was to determine the effectiveness of compost derived from various types of palm oil waste and the application of Trichoderma on soil chemical properties as well as production and nitrogen content in pakcoy plants. This study used an experimental method with parameters observing plant fresh weight. The research used two factors. The first factor was three types of palm oil waste, midrib leaf, oil palm empty bunches, and solid decanter. The second factor was the dose of Trichoderma, 50 ml, 100 ml, and 150 ml per plant. Planting media derived from solid decanter was able to intensification the production of pakcoy compared to midrib leaf and oil palm empty bunches.
Water Content Comparison of Green Bean and Roasted Bean of Robusta Gumitir Coffee Based on Processing Method and Roast Level Annisa Lutfi Alwi; Anni Nuraisyah; Zeni Ulma; Lilik Mastutik; Rizky Nirmala Kusumaningtyas
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.9900

Abstract

This study aims to compare the water content of green beans and roasted coffee bean based on the processing method and roasting level. The research was conducted at the TEFA Coffee Stub-Agricultural Plant Processing Laboratory, Politeknik Negeri Jember in April-July 2022. The coffee samples were Robusta coffee originating from the Gumitir area, Jember. This research consists of two main stages, green bean processing (dry (natural), honey, semi-wet, and full wash process) and roasting process based on light, medium, and dark levels. The analysis result showed that there was a decrease in the water content of coffee beans in each processing method as the roasting level increased. Overall, the water content of roast beans from full wash processing has the highest level compared to roast beans from other processed methods. The water content of green beans was originally 12.65%, decreased to 3.91%, 3.90%, and 3.38% after roasting with light, medium, and dark levels. The darker the roast level, the more weight loss. A significant decrease in water content was obtained in green beans processed by the honey method. Initially, the green bean water content was 13.05%, decreasing to 2.36%, 2.14, and 1.34% at each roasting level. Meanwhile, the green beans produced from natural processing (dry process), semi-wet, and full wash resulted in a decrease in water content that was not significant as the roasting level increased. Based on the results of this study, it is necessary to carry out further research related to the relationship between processing methods and roasting level on the physicochemical characteristics of coffee beans by optimizing.
Hypersensitivity Test of Insect-Carried Bacteria in Chilli Crop at Banyumas Regency Agus Suroto; Endang Mugiastuti; Tarjoko Tarjoko; Eka Oktaviani; Muhammad Bahrudin
Gontor Agrotech Science Journal Vol. 9 No. 1 (2023): June 2023
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v9i1.9903

Abstract

As a horticultural crop with high economic and cultural values, the productivity of chili (Capsicum annum L.) fluctuates from time to time. This is influenced by changes in weather and climate which lead to the low resistance of chili plants to pests and diseases. Climate change can affect the existence of pests and diseases in plants and even reduce yields between 10-28% on a global scale. Bacteria, in association with plants, can be both pathogenic and non-pathogenic. While pests tend to have a negative relationship with plants because they can cause damage to plants. Banyumas Regency (Central Java) is one of the districts that contribute to the supply of chili which is important to increase production. This study aims to distinguish pathogenic and non-pathogenic bacteria, which are carried by insects in chili planting fields in 3 (three) endemic locations for pest attacks, namely Sumbang, Sokaraja, and Karanglewas Districts. The research was conducted from March to November 2021. As many as 83.33% of the total grown isolates did not show hypersensitive reactions while the others showed positive results. However, further research needs to be carried out for further research (characterization, identification, and other potential of the isolated insect-borne bacteria).

Page 13 of 16 | Total Record : 155

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