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Journal : Akta Agrosia

Manually Feed NPK Fertigation Improves Growth and Yield of Chili Pepper Hybrids in Ultisol Herison, Catur; Rustikawati, Rustikawati; Hasanudin, Hasanudin; Suharjo, Usman K.J.; Handajaningsih, Merakati; Nursalim, Nursalim
Akta Agrosia Vol 23, No 1 (2020)
Publisher : Faculty of Agriculture, The University of Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.23.1.19-26

Abstract

Extending the planting area to a less-fertile soil, such as Ultisols, become inevitable choice to increase the national chili pepper production in Indonesia as this types of soil is the largest part of dry land of Indonesia, about 29.7% or around 51 million ha.  However, efforts to increase its productivity by providing sufficient fertilizers application is most frequently inefficient because in the conventional fertilizer applications, broadcasted fertilizer on the soil bed, are not readily available for the plant as their solubility is limited under the plastic mulch and still in the form of granular until the end of planting season.  Fertigation, therefore, maybe the answer for this problem.  The objective of this study was to determine the best NPK fertigation method on four chili pepper hybrids.  The experiment was conducted in a randomized complete block design with three replication, and the treatments were arranged in a split plot design.  As the main plots were NPK fertigation intensity, i.e. 100%, 75%, 50%, 25% and 0% fertigation with the remnant fertilizers were circularly broadcasted surrounding the plant.  As the subplots were chili pepper hybrids, i.e. ‘Maxima’, H39, H14, and ‘UNIB CHR17’.  The results showed that there was no interaction effect of fertigation intensity indicated that all hybrid genotypes showed similar pattern of responses.  The H39 hybrid had better vegetative growth compared to other hybrids in term of plant height, dichotomous height, stem diameter, number of branches, plant fresh-weight.  Whereas the hybrid cultivar ‘Maxima’ showed the highest yield followed by H14 and cultivar ‘UNIB CHR17’.  The 100% fertigation was the best method of NPK fertilizer application for chili pepper in Ultisols.keywowrd: fertigation, chili pepper, fertilizer application, acidic soil
Evaluation of the Growth and Yield of Hydroponically Grown Bell Pepper at Low Altitudes Nabila, Athya Kania; Herison, Catur; Fahrurrozi; Suharjo, Usman Kris Joko; Handajaningsih, Merakati; Rustikawati
Akta Agrosia Vol 27 No 1 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.1.19-26

Abstract

Bell pepper cultivation in low-altitude regions of Indonesia holds significant promise because of increasing domestic and international demand. However, domestic production is not sufficient to meet market needs. This study investigates hydroponic cultivation as a potential solution to low-altitude agriculture. Conducted from November 2023 to January 2024 at the University of Bengkulu Greenhouse เว็บสล็อต | R4shub (10 meters above sea level), the research evaluated the performance of nine bell pepper cultivars using a single-factor completely randomized design (CRD) with three repetitions. The cultivars tested were Red Star F1, Cardinal Star, Hercules, Merah, Yellow Star F1, Golden Star F1, Polaris F1, Orange Bell F1, and Kuning. Results indicated that the Cardinal Star and Polaris F1 cultivars outperformed the others under low-altitude conditions, demonstrating superior growth and yield components. Cardinal Star exhibited the highest fruit weight per plant, whereas Polaris F1 had the highest weight per fruit or fruit size. Key word:  bell pepper, hydroponics, low altitude areas
Peningkatan Adaptibilitas Gembili (Dioscorea esculenta L.) pada Lahan Pesisir dengan Penambahan Pupuk Amonium Sulfat (ZA) dan Mulsa Organik Herison, Catur; Turmudi, Edhi; Handayaningsih, Merakati; Dewi, Kurnia Herlina
Akta Agrosia Vol 18 No 2 (2015)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3684.617 KB)

Abstract

Increasing plant capability to adapt on coastal land is very important aspect in the development alternative carbohydrate source food. The objective of this research is to determine the effect of ZA fertilizer and organic mulch on lesser yam’s adaptability based on its growth and yield. The experiment was conducted with a randomized completely block design arranged in a split plot with 3 replications. As the Main Plot were organic mulch levels, and as the Sub Plot were ZA fertilizer doses. The results showed that there was no interaction effect between ZA fertilizer and organic mulch on either growth or yield of lesser yam. Application of ZA fertilizer up to 200 kg ha improve lesser yam’s adaptability based on their vegetative growth. Organic mulch of rice paddy straw up to the rate of 20 ton ha-1 did not increase growth and yield of lesser yam in coastal sandy land.
Penentuan Kadar Garam Kultur Hara untuk Seleksi Toleransi Salinitas pada Padi Lokal Bengkulu Rustikawati, Rustikawati; Simarmata, Marulak; Turmudi, Edhi; Herison, Catur
Akta Agrosia Vol 17 No 2 (2014)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Bengkulu province area elevating from 0 m to over 1000 m above sea level possesses high rice germplasm diversity. To obtain salinity controlling gene(s) from those germplasm, it is required to determine a suitableprotocol. This research was objected to determine NaCl concentration to select Bengkulu rice landraces. The standard most salinity tolerant genotype used in this research was ’Kuning’, a local variety usually grown on tidal area of Seluma Regency for generations. The growing media was Yoshida nutrient culture supplemented with a series of NaCl concentration of 0, 2000, 4000, 6000, 8000 or 10000 ppm. Observation was done every 2 days to find out the response pattern of rice seedling growth on different NaCl concentration. NaCl stress level was determined at 90% seedling dead (LC90) at the eighth day. The results showed that the increase of plantheight was deceased at concentration of 6000 ppm. Based on the mathematical equation generated from the percent mortality data distribution, the LC90 was at 3910 ppm NaCl concentration.
Genetic Variability and Heritability Estimates of Growth and Yield Component of Curly Chili Pepper Anira, Rayuli; Herison, Catur; Suryati, Dotti
Akta Agrosia Vol 20 No 2 (2017)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Success in a breeding program is primarily determined by the availability of information about the genetic diversity of the genetic material used and the expected heritability of the character to be improved. The objective of this study was to determine genetic diversity and heritability of growth and yield components of 10 curly chili genotypes. This research was conducted in September 2015 - February 2016 in the Medan Baru field experiment of Faculty of Agriculture at Kandang Limun Village, Muara Bangkahulu Subdistrict, Bengkulu City. The experiment was arranged in Completely Randomized Design (CRD) with ten genotypes and six replications. The genotypes used were Local Payakumbuh, Ferosa, Laris, Kopay, Romario, Keriting Hitam, Local Curup, Bogota, Sempurna and Mario. The results showed that genetic diversity of the ten varieties was narrow based on plant height variables, dichotomous height, stem diameter, flowering age, harvest age, fruit length, fruit diameter, weight per fruit and number of fruits.  Stem diameter, fruit length, fruit diameter and weight per fruit had moderate heritability estimates; meanwhile, anthesis and number of fruits showed low heritability.
Pertumbuhan dan Hasil Dua Belas Genotipe Kacang Hijau pada Beberapa Dosis Pupuk Kandang Sapi di Lahan Ultisol Andria, Andria; Herison, Catur; Sudjatmiko, Sigit; Dewi, Nurwita
Akta Agrosia Vol 19 No 1 (2016)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

One major problem of low mungbean production in Indonesia is the lack of high yielding varieties for marginal land. A study was done with an objective to compare growth and yield of twelve mung bean genotypes on ultisol fertilized with several doses of cow manure. Twelve mung bean genotypes were grown in a field under a randomized complete block design arranged in a Split Plot Design with 3 replications. The Main Plots were four doses of cow manure, i.e. 0, 3, 6 or 9 ton.ha-1 and the Sub-Plots were twelve mungbean genotypes, i.e. VR 3, VR 61, VR 88, VR 200, VR 204 K, VR 213 K, VR 266 ct, VR 341, VR 368, VR 601 m, VR 222 Walet and VR 1074 Vinna-1. The result showed that the interaction between cow manure doses and mungbean genotypes was only occured on number of leaf. Genotype VR 61 demonstrated the highest plant stature, the greatest pod number, the heafiest pod and seeds per plant. Increasing dose of cow manure until 9 tons.ha-1did not reach the optimum level for the growth and yield of mungbean genotypes yet, except on the number of leaf variable on genotype VR 3, VR 88, VR 200, VR 266 ct and VR 601.
Penapisan Tiga Puluh Tujuh Genotipe Tomat dan Seleksi Primer RAPD untuk Toleransi terhadap Layu Bakteri (Ralstonia solanacearum) Adeputri, Eriana; Rustikawati, Rustikawati; Herison, Catur
Akta Agrosia Vol 19 No 1 (2016)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Bacterial wilt (Ralstonia solanacearum) is the most important tomato diseases which can reduce tomato yield up to 100%. One most prospective control measure is the development of high yielding varieties tolerance to bacterial wilt. Donor parent carrying bacterial wilt controlling gene(s) is required to develop such varieties. The objectives of this study were to screen thirty-seven tomato genotypes for tolerance to R. solanacearum and to obtain RAPD markers of resistance to bacterial wilt. The experiment was arranged without the experimental design. Each tomato genotypes consisting of 5 control uninoculated plants and 10 plants were inoculated with R. solanacearum with a concentration of 106 cfu / ml inoculum of 10 mL per plant. Scoring was done on the severity of disease symptom; and the plants were grouped according to scoring class. Molecular analysis was done by using Bulk Segregant Analysis (BSA). The results showed there were six genotypes considerd very tolerant i.e. genotype Pearl, Opal, Cung, Syu and Kudamati I; tolerant genotypes consisting of five genotypes; medium tolerant groups consisting of eight genotypes; medium sensitives groups consisting of 14 genotypes; and sensitive class consisting of four genotypes, namely Aceh Local Tomatoes I, Tanah Datar Local Tomato, Tomato Meranti I and Tomato Meranti II. Of the 20 primers used only 8 primers showed visible DNA bands, they were E1, E7, E10, H2, H5, H13, H16 and H19. However there no polymorphics bands observed for bacterial wilt tolerance.
Korelasi Antar Komponen Pertumbuhan Vegetatif dan Generatif dengan Hasil pada Delapan Belas Genotipe Gandum di Dataran Tinggi Novrika, Donda; Herison, Catur; Fahrurrozi, Fahrurrozi
Akta Agrosia Vol 19 No 2 (2016)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Indonesia needs to develop high yielding wheat varieties adapted to tropical highland environment, through benefit selection in order to reduce grain imports. Pretiminary studies are often conducted to support the selection of activities to determine whether there is a closeness connection or relationship between variables with other variables through correlation studies. This study aims to determine the level of closeness between vegetative and generative variables and results in each 18 genotypes of wheat grown in the highlands. This study used a randomized complete block design with 3 replications. The treatments are 18 wheat genotypes : M1, M2, M3, M4, M5, M6, M7, M8, M9, SO 3, SO-8, SO- 9, JARISSA, SELAYAR, NIAS, DEWATA, SO-10, SO-6. Results showed that, plant height and number of seeds per panicle were positively correlated closely with yield of grain weight per clump.  Plant height of JARISSA and NIAS, and the number of seeds/panicle of M2, M3, M7, JARISSA and NIAS.  So that, variable can be used as selection criteria for potential high wheat genotypes grown at higher altitudes in tropical conditions, when the power of inheritance have predictive value (heritability) high. Therefore, these characters can be used as selection criteria for high yielding wheat genotypes.
Combining ability of six s7 generation of corn hybrid parents from half dialel crossesof Maize in a Half Diallel Crosses Dwitama, Niko; Rustikawati, Rustikawati; Suryati, Dotti; Herison, Catur
Akta Agrosia Vol 21 No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Combining ability is the genotype's ability to pass on the desired character to the offspring.  Combining ability information is needed to determine the crossed pairs in the formation of hybrid varieties.  The purpose of this study was to obtain information on the combining ability value of six S7 generation of inbreed maize.  The experiment was conducted in September 2015 until January 2016, at Medan Baru Experimental Station of Faculty of Agriculture, at Kandang Limun village, Muara Bangkahulu Sub-district, Bengkulu City.  The experiment was prepared in a Randomized Block Design (RCBD) with 15 corn hybrid treatments including: G1XG3, G1XG6, G3XG6, G1XG7, G3XG7, G6XG7, G1XG8, G3XG8, G6XG8, G7XG8, G1XG9, G3XG9, G6XG9, G7XG9 and G8xG9.  Each experimental unit was repeated three times obtaining 45 experimental plots.  Estimation of general combining ability (GCA) value  and specific combining ability (SCA) of each inbreed strain were conducted with Griffing model IV method.  The results showed that genotype G1 and G3 had positive GCA values for all characters except plant height.  The G7XG1 cross combination showed a positive SCA on all characters even higher in plant height and stem diameter. The G8XG6 cross combination showed high SCA values for leaf number characters, weight of husk-less cob, number of seeds per seed-line, weight of grain per ear, and grain yield per plot.Keywords: Hybrid, corn, GCA and SCA
Induction and Growth of Endosperm Cali of Rimau Gerga Lebong (RGL) Citrus on Several Media Compositions Sari, Rossi Anandayu; Herawati, Reny; Herison, Catur
Akta Agrosia Vol 22 No 2 (2019)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Rimau Gerga Lebong (RGL) variety is one of the main orange fruit commodities in Lebong Regency of Bengkulu Province, which has a competitive advantage and has good market potential. However, high number of seed characteristic makes this orange fruit becomes less popular.  Triploid genotype formation through endosperm culture in vitro is an alternative solution to develop seedless orange fruit.  The objective of this study was to determine the best composition medium for callus induction of endosperm of RGL orange seeds as the foremost step of in vitro triploid plant development. The research was conducted from August  2017  until  December  2018 at the Plant  Tissue Culture Laboratory, Department of Agronomy, Faculty of Agriculture, University of Bengkulu.  The  experiment  was  arranged  in  a  completely randomized design, with eight treatment combinations i.e. G1 (MT + 5 ppm BAP + 2 ppm 2,4-D), G2 (MT + 5 ppm BAP + 2 ppm 2,4-D + 500 ppm CH), G3 (MT + 5 ppm BAP + 2 ppm 2,4-D + 500 ppm + 0.5 ppm Kinetin), G4 (MT + 5 ppm BAP + 2 ppm 2,4-D + 500 ppm CH + 0.5 ppm to 500 ppm Kinetin + ME) , G5 (MS + 5 ppm BAP + 2 ppm 2,4-D), G6 (MS + 5 ppm BAP + 2 ppm 2,4-D + 500 ppm CH), G7 (MS + 5 ppm BAP + 2 ppm 2,4- D + 500 ppm CH + 0.5 ppm Kinetin), G8 (MS + 5 ppm BAP + 2 ppm 2,4-D + 500 ppm CH + 0.5 ppm to 500 ppm Kinetin + ME), with three replications. The experimental unit was five culture bottles containing three explants per bottle.  Observations were conducted on days to callus formation, rate of callus formation, callus weight, callus diameter, callus color and texture.  The results showed that media of MS + 5 ppm BAP + 2 ppm 2,4-D + 500 ppm CH was the best media for callus induction, and MT + 5 ppm BAP + 2 ppm 2,4-D + 500 ppm CH was the best media for callus development.Keyword: RGL citrus, calli, endosperm, kinetin, BAP
Co-Authors , Rustikawati ,, Rustikawati A.A. Ketut Agung Cahyawan W Adeputri, Eriana Agus Purwito Almunawar, Said Agil Alnopri Andria, Andria Angraini, Dila Anira, Rayuli Arifin Noor Sugiharto Atang Sutandi Atra Romeida Bertham, Yudhy H Budianto Budianto Budianto Budianto Budiyanto Budiyanto Dewi, Kurnia Herlina Dwi Wahyuni Ganefianti, Dwi Wahyuni Dwitama, Niko EDHI TURMUDI Eko Suprijono Fahrurrozi Fahrurrozi Fahrurrozi, Fahrurrozi Hairani, Putri Mian Hasanudin Hasanudin Hasanudin Hellianti Pennita Herlinda, Puput HESTI PUJIwATI Hutabarat, Grace May Sawita Indres, Indres Joko Suharjo, Usman Kris Laksono Trisnantoro Maemunah Maemunah Marulak Simarmata Marulak Simarmata Marwanto Marwanto Merakati Handajaningsih Merakati Handajaningsih Merakati Handayaningsih Mimi Sutrawati Muhammad Chozin, Muhammad Mukhtasar, Mukhtasar Nabila, Athya Kania nFN Thamrin Noor Farid Novrika, Donda Nurjanah, Uswatun Nursalim Nursalim Nurwita Dewi Okticah, Anggi Reny Herawati Ria Meita Rustikawati Rustikawati Rustikawati Rustikawati Saputra, Pringky Okta Sari, Miliza Mayang Sari, Rossi Anandayu Sianipar, Mangara W Sigit Sudjatmiko, Sigit Simanihuruk, Bilman Wilman Sudarsono Suharjo, Usman K.J. Suharjo, Usman Kris Joko Sukisno Sukisno Sukisno Sukisno, Sukisno Sulastrini, Ineu Surjono H. Sutjahjo Surjono H. Sutjahjo Surjono H. Sutjahjo Surjono Hadi Sutjahjo Surmaini, Ervi Suryati, Dotti Sutjahjo, Surjono H. Suyitman Suyitman Suyitman, Suyitman Syakia Kurin, Aricha Thamrin, nFN Tunjung Pamekas, Tunjung Viona Juanda Putri Wuri Prameswari Yenni Okfrianti Yulian, Yulian Zainal Muktamar