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Articles 1,542 Documents
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Effect of Formula Endophytic Bacteria in Organic Fertilizer to Wilt Disease Fusarium in Chili Plants Laras Setyowati; Arika Purnawati; Tri Mujoko
Nusantara Science and Technology Proceedings Seminar Nasional Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3103

Abstract

Chili (Capsicum annum) is one of the horticultural commodities that has an important role in human life and Indonesian chili plants have important economic value and occupy second place after beans. Meanwhile, in East Java, chili commodity production in 2013-2017 reached 440 tons and one of the highest contributors was Ringinsari, Kandat, Kediri. However, the increase in chili commodities in the village has so far been strongly influenced by the presence of the fungi pathogen is Fusarium oxysporum f.sp.capsici that cause wilt disease, can reduce production on average up to 75 % and cause the plant to die. The control of that pathogen generally uses chemical control that hurts humans and the environment so until now it have not been satisfactory. Depend of that it needs alternative control using endophytic bacteria that are formulated in organic fertilizer as biological control. Endophytic bacteria are group of bacteria that live in plant tissues without causing negative effects, including not causing plants to get sick and having a mutual relationship with their host plants. Endophytic bacteria can be found in various plants including agricultural crops and can be isolated from all parts of the plant, namely roots, stems, leaves, and seeds. Endophytic bacteria produce secondary metabolites and compounds that can be used to induce plant health and growth. Endophytic bacteria produce fenol, flavonoid that increase plant resistance to diseases and pests, improve plant health, phytohormones increase plant growth. The method stages of research are propagation of endophytic bacteria, manufacture of suspension of endophytic bacteria, mixing of suspension of endophytic bacteria into organic fertilizer, data analysis using analysis of variance and 5% BNT test. The results are Incubation period is slower, disease intensity decreases, and plant height increases.
Exploration and Identification of Entomopathogenic Fungi Isolated Spodoptera frugiperda from Sumbang, Banyumas Regency Nur Kholida Wulansari; Ratna Dwi Hirma Windriyanti; Larin Tika Febrianti; Gita Anggraeni; Lafi Na’imatul Bayyinah; Endang Warih Minarni
Nusantara Science and Technology Proceedings Seminar Nasional Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3104

Abstract

Biological control of plant pests is an eco friendly controlling way with consideringeco-friendly of agroecosystem. Biological control does by usithe ng natural enemies introduced from the area and other areas. Biological control of plant pests can used by predators, parasitoids, and entombe opathogens. Identification of entomopathogenic fungi did at the integrated laboratory, Nahdlatul Ulama University, Purwokerto. The research method used is purposive sampling. Entomopathogenic fungi were identified and observed for macroscopic and microscopic characteristics. This study aims to determine the entomopathogenic fungi found in the corn cultivation center, Sumbang District, Banyumas Regency. The results of the study found there was Aspergillus spp in the corn cultivation center, Sumbang District, Banyumas Regency. Aspergillus spp was found to infect Spodoptera frugiperda. Aspergillus spp is reported can infect various types of insects so that it is effective in pest control.
The Effect of Moringa Climbing Plant (Moringa oleifera Lamk) on Growth Herbal Chili (Piper retrofractum Vahl) at Bluto Sumenep Madura Catur Wasonowati; Mustika Tripatmasari; Moh. Dwi Zainol Akbar
Nusantara Science and Technology Proceedings Seminar Nasional Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3105

Abstract

The herbal chili plant (Piper retrodractum Vahl) is one of the potential medicinal plants in Indonesia. This plant includes plants that have climbing roots on their trunk segments so that they require climbing poles for growth. The purpose of this study was to determine the effect of Moringa climbing poles on the growth of herbal chili plants in Bluto Sumenep Madura. This research was carried out in the chili herb garden owned by farmers in Bluto District in September 2022. This research was conducted by survey using an exploratory descriptive method on the land of chili herbal farmers using climbing Moringa plants in Bluto District. Sampling was done by using purposive sampling method. Sumenep Regency is a center for herbal chili plants, one of which is in Bluto District. The herbal chili plants in Bluto are widely cultivated using climbing poles of Moringa plants. Moringa plants are propagated by cuttings because they are used for climbing poles for herbal chilies. The climbing pole of Moringa was chosen because of its long life, the roots of the herbal chili pepper can be attached and grow well, easy to grow, resistant to pruning and do not have a detrimental effect on the growth of the herbal chili plant.
Effect of land use differences on pH and available Phospor in Peatland, Kelampangan, Central Kalimantan Fitri Wijayanti; Haidar Fari Aditya; Adi Jaya; Winih Sekaringtyas Ramadhani; Raudah Anggraini Tarigan
Nusantara Science and Technology Proceedings Seminar Nasional Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3106

Abstract

This extraordinary peatland area can have various impacts, especially in Indonesia and even globally. In general, in soil classification, peat soil is known as Histosol. Based on the maturity level, there are safric, fabric, and hemic maturity levels. In general, peat soils have a relatively high level of acidity with a pH range of 3-4. Peatland management in the Central Kalimantan region has developed quite rapidly where many peatlands can be used as agricultural lands, such as in the Kalampangan area. Several types of land use analyzed in this study are dragon fruit monoculture, agroforestry with chili as the main crop, burnt forest, and natural peat forest. The analysis was carried out to determine the pH and available P content in the peat soil on each land use. The pH range in each land use is acidic with the highest actual pH range of 4 in the dragon fruit monoculture land use and the lowest in the natural forest landuse of 3,2. Meanwhile, the potential pH has a fairly similar value in the range of 2.1 to 2.5. The highest available P was obtained in chili agroforestry and the lowest was in the burnt forest. The highest available P was obtained in chili agroforestry and the lowest was in the burnt forest. The available pH and p values are strongly influenced by the management carried out by farmers, whereas in some areas the management is carried out quite intensively. An inventory of peat characteristics data is needed for current and future land development.
Arthropods Diversity at Paddy Generative Phase in Rainfed Rain Field Abdul Azis Ambar; Rudy; Harsani; Nur Ilmi
Nusantara Science and Technology Proceedings Seminar Nasional Magister Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3201

Abstract

Arthropods are the largest phylum in the animal kingdom and are found in various ecosystems, including rainfed rice fields. This study aims to determine the diversity of arthropods and their diversity index. As well as the status of each arthropod in rainfed rice fields. The research method used is purposive random sampling, by determining the location point for arthropod sampling, which refers to the method (Sari et al., 2020). Samples were obtained by using 2 traps, namely sweep net traps, to catch active flying arthropods, or netting with a net for 10 double swings. The second is a pit fall trap, to catch arthropods on the ground. Using a beaker with a volume of 150 ml and placed parallel to the ground. The results showed that there was a diversity of arthropods of 35 species, including 28 species as natural enemies and 6 species as pests, with a diversity index of 2.91 which means that it is in the moderate category.
Forecasting and Mapping of Vulnerable Areas Floods and Droughts in Rice Crops Impacts of Climate Change In 2022 in East Java Province Fatikhul Karim; Yuningsih; Agus Fahmi; Cicilia Nova Ratnasari; Amelia Seftiarini
Nusantara Science and Technology Proceedings Seminar Nasional Magister Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3202

Abstract

The impact of climate change has a major impact on the agricultural sector, especially rice crops. The consequences of climate change include floods and droughts which can reduce production. In 2021, East Java was affected by floods in an area of ??14,158.31 hectares of rice plants and 9,195.39 hectares of drought affected by drought. Information on forecasting and mapping of floods and droughts in rice crops is needed. This study aims to obtain forecasts of affected areas and mapping of flood and drought prone areas in certain space and time units. The study uses historical data on flood and drought events for the last 10 years in East Java and analyzed using time series forecasting models and hazard forecasts and interpreted in maps using QGIS software. The flood forecasting model is obtained Log (Y) = 1.657 + 0.406 Log (X) R2 0.74 with a forecast number of flood events in 2022 covering an area of ??11,837.66 Ha. The drought forecasting model obtained Log (Y) = 0.977 + 0.647 Log (X) R2 0.72 with a forecast number of drought events in 2022 covering an area of ??5815.20 Ha. The forecast mapping for the highly flood-prone areas in East Java is Bojonegoro and Gresik regencies, while the flood-prone categories are Tuban, Lamongan, and Lumajang regencies. For mapping areas, the category of very drought-prone areas is Bojonegoro and Lamongan Districts, while the drought-prone category is Trenggalek Regency. Flood and Drought Forecasting and Mapping can be used as initial information on alertness and as a basis for preparing anticipatory, mitigation and adaptation strategies in order to minimize loss of agricultural production.
Endophytic Bacteria from Wet Soil of South Kalimantan as Biological Control Agent for Root Nematodes (NPA) in Celery (Apium graveolens) Marcellino Althaf; Wilujeng Widayati; Arika Purnawati
Nusantara Science and Technology Proceedings Seminar Nasional Magister Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3203

Abstract

Endophytic bacteria are microorganisms that are associated with plants, don’t cause disease, and mutualism associated with plants. One of the uses of endophytic bacteria in agriculture is as biological agent in overcoming the attack of the root-knot nematode Meloidogyne sp. It is a polyphagous parasite that can attack plants by forming galls on the roots of celery plants (A. graveolens), can lack nutrients, and in chronic conditions causes death of host plants. It’s control is important to reduce crop yield loss. Control of the nematode Meloidogyne sp., at this time use many chemical pesticides because they quickly kill nematodes, but the continuous use of chemical nematicides will potentially pollute the environment. So, it is necessary to study alternative control using endophytic bacteria. The purpose of this study was to determine the potential of endophytic bacteria from wetlands of South Kalimantan as biological agents of it in celery plants. This research was conducted in Sumber Glagah, Pacet, Mojokerto, using Completely Randomized Design (CRD). The treatment was carried out by immersing the roots of celery plants in a suspension of endophytic bacteria (24 hours) and concentration (108 cfu/ml), then planted in polybags measuring 30 x 30. The polybags were filled with soil that had been divested with 50 juvenile Meloidogyne sp. Observation parameters were the number of galls per g of roots and juvenile population per g of root and per 10 g of soil. The results showed that the treatment of endophytic bacteria reduce: (1) number gall per g celery roots was 19.67–31.00 and control (46.67); (2) population juvenile population per g root was 9.33-25.67 and control 50.67; (3) juvenile population per 10 g of soil was 11.33-17.00 and control 29.33.
Study of Pruning Types and Liquid Organic Fertilizer Concentration on Growth and Yield of Pepper (Capsicum frutescens L.) Ramdan Hidayat; Widi Wurjani
Nusantara Science and Technology Proceedings Seminar Nasional Magister Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3204

Abstract

This study aims to determine the best of combination treatment of pruning type and concentration of liquid organic fertilizer (LOF) on the growth and yield of pepper plants whose production is still low and has not yet achieved its production potential which can reach 20 tons/ha. The factorial study with 2 factors was arranged in a completely randomized design (CRD) which was repeated 3 times. The first factor is the type of pruning (P) which consists of 3 levels, namely: P0 = Not pruned (control), P1 = Pruning shoot tip, P2 = Pruning axillary shoot, while the second factor is the concentration of LOF NASA which consists of 3 levels , namely: K0 = 0 ml/l (control), K1 = 2 ml/l, and K2 = 4 ml/l. The results showed that there was a significant interaction between the combination of shoot pruning treatment and LOF NASA concentration on the number of branches and the number of productive branches. The combination of shoot trimming treatment and LOF NASA concentration of 2 ml/l water (P1K1) resulted in the best growth of pepper. Meanwhile, the single factor type of shoot tip pruning (P1) and LOF NASA concentration of 2 ml/l (K1) produced the best number of fruits and fruit weight of papper compared to other treatments.
Effect of Organic Planting Media on the Growth of Purslane (Portucala oleracea L.) Seedling F. Deru Dewanti; Sukendah; Puji Lestari Tarigan; Yonny Koentjoro
Nusantara Science and Technology Proceedings Seminar Nasional Magister Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3205

Abstract

Purslane is an annual plant that has various benefits. This plant contains omega 3 which is equivalent to other types of vegetables. So far, purslane is still considered a weed, so it doesn't have a cultivation technique to get the results. This study aims to obtain a combination of planting media for the growth of purslane. This research is the beginning to increase the purslane omega 3 content. Because genetic factors and environmental conditions can affect the growth and development as well as the chemical content of plants. The experimental design used a completely randomized design (CRD). The planting media used were: soil, soil + husk charcoal, soil + compost, and soil + husk charcoal + compost. The treatment was repeated 4 times, so there are 12 observation units. Observations were made on the number of leaves and the number of branches. The results showed that the combination of soil+compost gave the best effect on the number of leaves and the number of branches of the purslane seedling
The Potency of Land Management to Minimize the Incidence of Basal Stem Rot (Ganoderma boninense) in The Next Generation of Oil Palm Plantation Sisko Budianto; Diny Evitasari
Nusantara Science and Technology Proceedings Seminar Nasional Magister Agroteknologi 2022
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3206

Abstract

Ganoderma causes basal stem rot disease is a serious threat to the palm oil industry, especially in Malaysia and Indonesia. Field controlling with certain chemicals and biological agents have not been reported to be successful in reducing the Ganoderma incidence. This paper will be reporting about the potency of land management to minimize the incidence of basal stem rot disease in the next generation of oil palm plantations. Three methods of land management during the replanting process have been implemented, those are Windrowing the plant remnants (Windrow 1:1 & Windrow 2:1) as the main plot, Poisoning (No Poisoning and Poisoning) as a sub-plot and Fallowing (planting immediately and fallowing) as a sub-sub plot. The incidence of disease began to be observed two years after planting, by observing the canopy symptoms and the presence of Ganoderma’s fruiting bodies. Observations were made for 20 years, where at 5 years after planting, infections began to appear in the interaction treatment which belonged to windrow 1:1, non-poisoning and planting immediately. Meanwhile, at the end of the observation (20 years after planting), only the fallowing factor had a significant effect on the incidence of disease, where the percentage of disease incidence was half lower than without planting immediately (48.75%: 84.13%). This shows that the farther the plant is from the inoculum source (Windrow 2:1) will prevent the root contact of new plant to plant remnants and leaving the land not to be planted with oil palm for a certain period of time, reduced soil-borne disease agents, especially Ganoderma pathogens. Soil ploughing had been carried out exposing the soil to sunlight and exposing soil-borne disease organisms during the fallow process.

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