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Bambang Gonggo Murcitro
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INDONESIA
Jurnal Ilmu-Ilmu Pertanian Indonesia
Published by Universitas Bengkulu
ISSN : 14110067     EISSN : 26849593     DOI : https://doi.org/10.31186/jipi
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Ilmu-Ilmu Pertanian Indonesia (JIPI) is a scientific journal that publishes research results related to resource issues and agricultural productivity widely, including Agroecotechnology, Plant Breeding, Soil Science, Plant Protection, and Agricultural Ecology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 213 Documents
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PENYAKIT ANTRAKNOSA CABAI OLEH Colletotrichum sp. DI LAHAN RAWA KALIMANTAN SELATAN Mariana Mariana; Elly Liestiany; Fahmi Rizali Cholis; Nazwan Syahbani Hasbi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 23 No 1 (2021)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.23.1.30-36

Abstract

[CHILLI ANTHRACNOSE DISEASE BY Colletotrichum sp. AT SWAMP LAND OF SOUTH KALIMANTAN PROVINCE].  Anthracnose is one of the major economic constraints for chili production worldwide. This disease is caused by the fungus Colletotrichum sp. The yield loss reaches 50% - 100% in the rainy season. In swamps, the incidence of this disease begins to increase. As the basis for the integrated control of anthracnose, it is necessary to record disease incidence and identify pathogens that attack conditions in swampsThe disease intensity survey was conducted in Hiyung chilli cultivation of Hiyung village lowland and the tidal swamplands of Marabahan district. The method is using Purposive Random Sampling approach. The Koch’s Postulates is used to determined the cause of the disease. Identification of pathogens that cause anthracnose is carried out in laboratories and greenhouses. Determination of obtained pathogen’s type is using literature references. The results of this study indicate that Hiyung chilli in the Hiyung village lowland shows a fairly high incidence of disease – i.e 43.78%, moreover, the result of Marabahan district tidal swamplands is 29.29%. Three Colletotrichum species were found, namely Colletotricum truncatum, C. gleosporiedes and C. acutatum.
RESPON PERTUMBUHAN DAN HASIL LIMA GENOTIP PADI HIBRIDA TERHADAP PUPUK ORGANIK TANDAN KOSONG KELAPA SAWIT (TKKS) PADA TANAH ULTISOL David Khairullah Hadi; Reny Herawati; Widodo Widodo; Mukhtasar Mukhtasar; Helfi Eka Saputra; Eko Suprijono
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 22 No 2 (2020)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.22.2.106-113

Abstract

[RESPONSE OF GROWTH AND YIELD OF FIVE RICE HYBRID GENOTYPE ON THE ORGANIC FERTILIZER OF PALM OIL BUNCHES ON ULTISOL]. Oil Palm Bunches (OPB) are solid waste potential as organic fertilizer to improve soil physical, biological and chemical properties, especially on ultisol soils for rice development. This research was conducted in August - November 2019 in Padang Harapan, Bengkulu City. The materials used were F1 rice seeds, OPB organic fertilizer. The experimental design was a factorial Randomized Completely  Block Design (RCBD) with 2 factors. The first factor was 5 hybrid genotypes (F1), namely, Kuning x Inpago5, Kuning x Inpago9, Kuning x Inpago6, Arang x Inpago8, and Kuning x Salumpikit. The second factor was the dosage of OPB, namely 0 (control), 10 tonnes/ha, 15 tonnes/ha, and 20 tonnes/ha, the experiment was repeated 3 times. The variables observed were plant height, number of productive tillers, flowering age, harvest age, the total number of fill grains, number of filled grains, number of empty grains, 1000 grain weight, and grain weight/hill. The results showed that there was an interaction between genotype and OPB on the number of tillers. The interaction between the Kuning x Salumpikit genotypes and 10 tonnes/ha of organic fertilizer produced the largest number of tillers. Genotype G3(Kuning x Inpago6) produced the best rice growth and yield. In this study, the optimum point for OPB fertilization on growth and yield of the five genotypes tested had not been obtained.
PERTUMBUHAN DAN HASIL SORGUM PADA PEMBERIAN BEBERAPA DOSIS PUPUK NPK MAJEMUK DI LAHAN PESISIR Edi Susilo; Hesti Pujiwati; Muhimmatul Husna
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 23 No 1 (2021)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.23.1.15-22

Abstract

[GROWTH AND YIELDS OF SORGHUM VARIETIES TREATED WITH VARIOUS DOSES OF NPK FERTILIZER IN COASTAL LAND]. Sorghum has a potential to be developed in marginal land in coastal area. Drought stress and low availability of utrients in the coastal area are the main problems in growing sorghum.  Introducing the drought tolerance variety is one solution to overcome the drought stress in coastal land in order to improve sorghum yields. In addition, the treatment of NPK fertilizer is needed to fulfill the nutrients requirements for growth and yields. This research aims to determine the best sorghum variety and an appropriate dose of NPK fertilizer for the growing sorghum in coastal land. Field experiment was conducted at the coastal area in Bengkulu City from August until November 2021. The experiment was arranged in Randomized Completely Blok Design with two factors. That were sorghum varieties (Numbu, Super 2 and Kawali) and NPK fertilizer doses (150 kg/ha, 300 kg/ha and 450 kg/ha). The results showed that the interaction between sorghum variety and NPK fertilizer dose were not significant on the growth and sorghum yields. Numbu varieties produced the highest panicle weight per plant of 69.42 gram. The research concluded that Numbu variety showed the best growth and yields compare two other varieties. The  maximum growth and yield  of sorghum in coastal land were observed at NPK 450 kg/ha dose. 
TAKARAN DOSIS LUMPUR SAWIT DAN PUPUK KCL TERHADAP PERTUMBUHAN DAN HASIL TANAMAN JAGUNG (Zea mays L) PADA ULTISOLS DI BENGKULU Bilman Wilman Simanihuruk; Yanti Oktavia Lumbantoruan; Herry Gusmara
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 22 No 2 (2020)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.22.2.85-92

Abstract

[APPLICATION OF PALM OIL SLUDGE DOSE AND KCl FERTILIZER AGAINST GROWTH AND YIELD OF CORN (Zea mays L) ON ULTISOLS IN BENGKULU]. This study aims to determine the dose of palm oil sludge (POS) and the optimal dose of KCl fertilizer to the growth and yield of corn. The study was conducted from June to October 2018. The design used is Randomized Completely Block Design (RCBD) which is arranged in factorial with two treatment factors. The first factor is the POS consisting of 3 levels: 0 tons/ha, 10 tons/ha, and 20 tons/ha. The second factor is the dose of KCl fertilizer consisting of 3 levels: 0 kg/ha, 100 kg/ha, and 200 kg/ha. The results showed no real influence on the combination of POS and KCl fertilizer treatment on the growth and yield of corn. The 10 tons/ha POS dose delivers the best results on the entire observation variable. KCl fertilizer indicates a different effect is not noticeable on all observed variables.
RESPON TANAMAN KUBIS (Brassica olacea var. capitata) TERHADAP KOMBINASI APLIKASI PUPUK ORGANIK DAN ANORGANIK Rini, Erin Puspita; Sugiyanta, Sugiyanta
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 23 No 1 (2021)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.23.1.46-52

Abstract

[CABBAGE (Brassica olacea var. capitata) GROWTH AND YIELD AFFECTED BY COMBINATION OF ORGANIC AND INORGANIC FERTILIZER APPLICATIONS]. The use of organic fertilizer increasingly sought by farmers due to the increase in demand for organic products by consumers and also awareness of the sustainability of the land. The use of organic fertilizers in the cultivation alone could improve the soil quality but needs to be balanced with inorganic fertilizers to meet the nutrient adequacy. This study aims to examine the effect of organic and inorganic fertilizers combination on the growth and cabbage yield, and also to determine the most efficient dosage combination of organic and inorganic fertilizers. This research was conducted at the IPB Pasir Sarongge Experimental Station, Cianjur, West Java from November 2020 to February 2021. The study was compiled using RCBD with 4 replications and 7 treatments. The results showed the combination of 0.75 doses of inorganic fertilizer (150 kg/ha of urea, 75 kg/ha SP36, and 75 kg/ha KCl) and 3 tons/ha of organic fertilizer could increase 14.87 to 15.44% plant height and the number of leaves at 12.82 -15.11% compared to the same dose of inorganic fertilizer treatment alone. The combination of 1 dose (200 kg/ha of urea, 100 kg/ha SP36, and 100 kg/ha KCl) inorganic fertilizer application and 2 tonnes/ha of organic fertilizer could increase 50,60% yield/plot and yield/ha cabbage than 1 dose of inorganic fertilizer treatment..
KERAGAMAN FENOTIPE DAN KEMIRIPAN MORFOLOGIS HANJELI (Coix lacryma-jobi L.) DI KABUPATEN LIMA PULUH KOTA Ayu Kurnia Illahi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 22 No 2 (2020)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.22.2.129-135

Abstract

[PHENOTYPIC VARIABILITY AND MORPHOLOGICAL SIMILARITY OF JOB’S TEARS (Coix lacryma-jobi L.) IN LIMA PULUH KOTA REGENCY]. Job’s tears (Coix lacryma-jobi L) Has been long known as alternatif food crop and spread over the  West Sumatera Province. This study aims to determine the similarity of job’s tears based on morphological characters. This research was conducted in eight sub districts in Lima Puluh Kota regency. The accessions were observed on  the basis of  purposive sampling method. Data were collected for  29 morphological characteristics  and subjected to the similarity analysis  and cluster analysis using NtSys Ver 2.02i. From the analysis of similarity, job’s tears has a similarity coefficient ranging from 0.07 to 0.63 and shows a distant level of similarity to job’s tears even though they are located close to each other, so that the level of similarity of 74 accessions varies and spreads irregularly.
DAMPAK APLIKASI FLY ASH DARI PEMBANGKIT LISTRIK DI PT. GREAT GIANT PINEAPPLE-LAMPUNG TERHADAP AKTIVITAS BIOLOGI TANAH DI LAHAN MARGINAL Nurleni Kurniawati; Priyadi Priyadi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 23 No 1 (2021)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.23.1.9-14

Abstract

[EFFECT OF FLY ASH APPLICATION FROM POWER PLANT OF PT. GREAT GIANT PINEAPPLE ON SOIL BIOLOGYCAL ACTIVTY IN MARGINAL LAND]. Fly ash is a coal combustion waste containing nutrients that can be used to improve the soil fertility. The waste continues to increase but its handling is still limited because it is still classified as hazardous and toxic waste (B3). This study aims to determine the soil biological activity due to the application of fly ash and cow manure on marginal soils. The study was conducted using a completely randomized block design arranged factorial. The first factor is the dosage level of fly ash (F), namely 0 g/pot (0 ton/ha), 75 g/pot (50 ton/ha), 150 g/pot (100 ton/ha), and 225 g/pot (150 ton/ha) and the second factor is the dose of cow manure with three levels, namely 15 g/pot (10 ton/ha), 30 g/pot (20 ton/ha), and 45 g/pot (30 ton/ha). The observation parameters were (total population of fungi, bacteria, and soil respiration). The results showed that the addition of fly ash at various doses affected the soil biological activity by increasing the population of fungi, bacteria and soil respiration. The highest population of microorganisms was fungi, which was 17.8 x 107 Log CFU/g, bacteria 13.7 x 105 Log CFU/g, while the highest soil respiration was 54.53 mg CO2 at a dose of 100 ton/ha fly ash. In addition, the application of cow manure at a dose of 10, 20, 30 ton/ha  did not affect observed variables. 
PERUBAHAN KARAKTERISTIK TANAH DAN PENAMPILAN BEBERAPA VARIETAS PADI GOGO PADA KAWASAN PESISIR DENGAN PENAMBAHAN PUPUK HAYATI DAN BIOKOMPOS Yudhi Harini Bertham; Abimanyu Dipo Nusantara; Bambang Gonggo Murcitro; Zainal Arifin
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 22 No 2 (2020)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.22.2.79-84

Abstract

[CHANGE IN SOIL CHARATERISTICS AND PERFORMANCE OF UPLAND RICE VARIETIES IN COASTAL AREA AS AMENDED WITH BIOFERTILIZER AND BIOCOMPOST]. Dryland in the coastal area has good potential for the cultivation of upland rice to reach food self-sufficiency and the development of future agriculture. Low fertility of the land the area can be overcome by using appropriate technology such as the use of superior varieties, bio-fertilizers, and bio compost. This study aimeds to (1) determine chemical and biological properties of coastal land to improve the growth of upland rice (2) find out the growth of upland rice in the coastal area using low input technology and (3) obtain upland rice varieties with high adaptability to a coastal area environment. The experimental design used was a split-plot design with the main plot of 3 upland rice varieties, namely Inpago 10, Serantan, and Local Variety, while the subplots are were fertilizer inputs namely [double inoculant P solubilized microbial p (pf) + K solubilized microbially + N fixation microbial N], [double inoculant P solubilized microbial (fma) + K solubilized microbially + N fixation micarobia], [biocompost at a dose of 10 tons/ha], and [inorganic fertilizer recommended by BPTP ie 200 kg Urea/ha, 100 kg SP36/ha, 100 kg KCl/ha]. The results showed that the coastal area has the potential for the development of upland rice cultivation. Also, the double inoculants of biological fertilizers were able to increase plant nutrient uptake, soil biological characteristics, and the growth of upland rice as compared to controls. Specifically, the best treatment is produced by application of [double inoculant microbial solvent p (pf) + microbial solvent K + microbial N fixation] combined with upland rice Inpago variety 10.  
ANALISIS KORELASI DAN JALUR DALAM PENENTUAN KRITERIA SELEKSI UBI JALAR (Ipomoea batatas (L.) Lam.) BERDAYA HASIL TINGGI Reza Prakoso Dwi Julianto; Sri Umi Lestari; Edyson Indawan
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 23 No 1 (2021)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.23.1.53-60

Abstract

[CORRELATION AND PATH ANALYSES FOR DETERMINING THE SELECTION CRITERIA OF HIGH YIELDING SWEET POTATO (Ipomoea batatas (L.) Lam.)]. Sweet potatoes can serve as an alternative source of healthy carbohydrates. The productivity of sweet potato is relatively low, namely 13,51 tons/ha. Plant breeding activities are one of the solutions to develop superior varieties. The success of plant breeding is determined by the success of the selection activity, one of which is determined by the selection characters used. Correlation and path analysis are used to study the closeness of the quantitative variables as the basis for a more efficient selection program. The purpose of research was to determine the character selection of sweet potato and determine the correlation pattern between the observed characters based on the correlation coefficient value along the direct and indirect effect. The research was carried out on dry land with Inceptisol dryland, at an altitude of 350 m above sea level using a randomized block design with three replications. The material used in the researh was thirteen sweet potato genotypes. The results of the correlation analysis showed that the tuber yield had a very strong and positive correlation to the number of plants (r = 0.706), tuber fresh weight (r = 0.816), and tuber BK (r = 0.898), while the tuber number variable had a moderate positive correlation. (r = 0.605). Several variables also showed a negative relationship, including stover fresh weight,% BK tuber, BK stover, and BK biomass. Based on the analysis and path analysis, the BK variable can be used as an effective and efficient selection variable in producing high yield sweet potatoes.
KERAGAMAN DAN SUMBER GEN KETAHANAN VARIETAS PADI LOKAL TERHADAP PATOGEN Pyricularia grisea PENYEBAB PENYAKIT BLAS Santoso, Santoso; Nasution, Anggiani; Yunani, Nani
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 22 No 2 (2020)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.22.2.119-128

Abstract

[DIVERSITY AND THE SOURCE OF RESISTANCE GENE OF LOCAL RICE VARIETIES ON THE PATHOGENIC OF Pyricularia grisea CAUSE OF BLAST DISEASE]. Local rice varieties are known to have resistance or source of genes to  pests even though their productivity yield is low. The pathogen of Pyricularia grisea is a cause of blast disease, which is one of the obstacles in rice production. The research aims to characterize the resistance of local rice varieties to the  pathogen of P. grisea and to evaluate the virulence level of P. grisea pathogens against local rice varieties. A total of 100 local rice varieties and check varieties are susceptible and resistant namely Kencana Bali and Situ Patenggang tested their resistance to 4 dominant pathogenic of P. grisea i.e. races 033, 073, 133 and 173. Inoculation was carried out on stages 4-5 leaves or 18-21 days after seedling in a green house. The results showed a high genetic diversity of local rice varieties against pathogenic races 033, 073, 133 and 173. Based on the response of local rice varieties resistance i.e. moderately resistant (MR), resistant (R) and susceptible (S) to pathogenic races 033, 073 , 133 and 173 obtained 45 resistance response patterns. Cere Bereum varieties which are local rice varieties from West Java and Situ Patenggang resistant check varieties have a resistant response to 4 P. grisea pathogenic races used. A number of local rice varieties also show a resistant and moderately resistant response to the four pathogenic races used include Siam 11, Pare Siriendah, Menyan, Cere Manggu and Enud-Rawa Bogo. Local rice varieties Djedah and Padi Hitam (2) are local rice varieties that have a specific response of resistant or moderately resistant to race 173.  Race 133 and 173 have higher virulence rates than those of races 033 and 073 on local rice varieties. The results of this study indicate that there is a great potential for the utilization of local rice varieties, as a source of resistance genes for blast disease for the assembly of rice varieties that are resistant to blast disease.   

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