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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 208 Documents
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TINGKAT SERANGAN HAMA PENGGEREK POLONG, Maruca testulalis Geyer (Lepidoptera: Pyralidae)) PADA DELAPAN VARIETAS KACANG HIJAU (Vigna radiata L.) DAN PENGARUHNYA TERHADAP HASIL Minal Faizin; Nadrawati Nadrawati; Edhi Turmudi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 1 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.1.55-61

Abstract

[THE INCIDENCE OF POD-BORER, Maruca testulalis Geyer (Lepidoptera: Pyralidae) IN EIGHT MUNG BEAN VARIETIES (Vigna radiata L.) AND ITS EFFECT ON YIELD]. Mung beans are an essential food crop in Indonesia, whose production is still increasing to meet domestic needs. However, the high attack of plant pests Maruca testulalis Geyer (Lepidoptera: Pyralidae) is one of the leading causes of the low production of green beans. The use of superior varieties is one solution to controlling these pests. This study was conducted to test seven superior varieties of green beans, namely Vima 1, Vima 2, Vima 3, Murai, Kenari, Kutilang and Seriti and one local variety against M. testulalis. The study used a completely randomized block design and was repeated three times. The results showed that the mungbean varieties Vima 1, Vima 2, and Vima 3 had M. testulalis attack with the lowest level of seed damage in sequence, namely 5.84%, 7.94%, and 6.39%. Even though the percentage of pod borers attack did not significantly affect the growth of all Balitkabi superior varieties and one local variety of mungbean planted, the Kutilang variety was the highest yield with seed yield rates that were as low as other low-attack varieties.
PRODUKTIVITAS PADI SAWAH PADA KEPADATAN POPULASI BERBEDA Sumardi Sumardi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 12, No 1 (2010)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.12.1.49-54

Abstract

[THE PRODUCTIVITY OF LOWLAND RICE UNDER DIFFERENT POPULATION DENSITIES]. Population density will determine the crop productivity on either individual plant basis or area basis. Objective of this study was to evaluate the productivity  of lowland rice at different population densities.  Rice variety IR-64 was planted on 13.2 m x 10 m plot at four population densities (16, 25, 49 and 100 plant m-2)  in a completely randomized design with three replications. Observations were made on the yield components on individual plant basis and grain yield per area. Results indicated that tiller number, number of productive tiller, number of spikelet per panicle, number of fertile spikelet, and grain yield per hill were reduced  as the population density was increased.  On contrary, grain yield per 100 m2 was increased linearly in accordance to the increment of population density, where 47.57 kg grain per 100 m2 produced at the density of 16 plant m-2 and 86.53 kg was produced at the density of 100 plant m-2.
PENGARUH PEMUPUKAN FOSFAT TERHADAP PRODUKTIVITAS TANAH INCEPTISOL DAN ULTISOL A. Kasno; D. Setyorini; E. Tuberkih
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 8, No 2 (2006)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.8.2.91-98

Abstract

Phosphorus is one of macro nutrient which becomes limiting factor for plant growth on the upland. Available soil P is low because fixations by Al, Fe, and Mn oxide make it unavailable for plant. The objective of this research is to study the effect of phosphorus fertilizer on soil productivity, growth and corn production. The research was conducted on Inceptisols in Cibatok, Cibungbulang, Bogor and Ultisols in Jagang, South Abung, North Lampung on dry season 2004. The experiment used randomized complete block design, with three replications. The doses of P fertilizer to try were: 0, 20, 40, 60 and 80 kg P ha-1. Sources P fertilizer to use were TSP Anjing Laut and SP- 36 (40 kg P ha-1). The results of this research show that P fertilizer significantly increase plant height, and weight of production. The optimum dose of P fertilizer for corn on Inceptisols and Ultisols ranges from 20 to 40 kg ha-1. The use of P from the sources which have similar solubility in water have the same effect on soil productivity. 
SELEKSI JAMUR RIZOSFIR NON-PATOGENIK UNTUK PENGENDALIAN PENYAKIT LAYU FUSARIUM PADA TANAMAN JAHE DI BENGKULU Bambang Purnomo
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 8, No 1 (2006)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.8.1.6-11

Abstract

Biological control for improving the soil more supressive to pathogen can be regarded as save method to controling ginger wilt diseases. A number of fungi are potentially recognized to have capability to suppress the development of Fusarium wilt. The obyectives of this study were to select non-pathogenic fungi at the rhizosphere and to examine their isolates in suppressing the development of fusarium wilt disease in ginger. Fusarium oxysporum and non-pathogenic fungi were isolated from soil samples obtained from ginger production area which are endemic to the disease. The research involved exploration, fungi selection, and evaluation in a sucrose agar medium and ginger plant. The evaluation on ginger rhizosphere could isolate 19 species of non- pathogenic fungi, but only 12 isolates showed their capability to suppress fusarium growth. Pot evaluation of ginger plant demontrated that only 4 species were the most potential fungi as the controlling agent. The four species that are Trichoderma piluliferum, Gliocladium solani, Aspergillus oryzae, and Trichoderma viride. For further utilization of these species an effective and efficient carrier medium should be determined
PERSEPSI RUMAHTANGGA TANI TERHADAP USAHATANI TERNAK SAPI POTONG (Studi di Desa Kanigoro Kecamatan Pagelaran-Malang) Eko Nugroho; Priyo Sugeng Winarto
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 7, No 2 (2005)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.7.2.119-124

Abstract

The research was conducted at Kanigoro Village in Pagelaran Sub-District, District of Malang from May to July 2003. The Objectives of the research are (1) describing the perception of farm household about small scale cattle farm, (2) studying about the factors which influence farm household’s access to cattle in Kanigoro Village. Forty five farmers were selected using purposive random sampling method. Descriptive and economic farming system analysis were applied to the data available. The research found that farm households who kept cattle have perception that rearing cattle could be used for saving, used for land cultivation (i.e brujul) and covered leisure as well. Farm households who did not keep cattle have perception that they had lack of family labour, preferring   to rear other ruminants (i.e goats, buffaloes and milking cows) and did not have enough cash to buy cattle. The factors which influence farm household’s access to cattle were difficulties in accessing feed resources (i.e grass), fluctuated cattle price and difficulties in finding the share holders (penggaduh). Based on these, it is suggested that preliminary research concerning the perception of the local farm households to cattle farming, feed resources and labour availability should be conducted prior to establish an area as the centre of cattle farming development.
PENGGUNAAN ASAM HUMIK DALAM KULTUR TRAPPING CENDAWAN MIKORIZA ARBUSKULA DARI EKOSISTEM DENGAN SALINITAS TINGGI Delvian Delvian
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 9, No 2 (2007)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.9.2.124-129

Abstract

It has been reported that humic acid can increase plant growth and benefecial soil microbe population.   A glasshouse experiment was conducted to study the effect of humic acid on growth of host plant and sporulation of arbuscular mycorrhizal fungi under salt stress in trap pot culture. Trap cultures were maintenance at various salinity levels as according to field salinity.  Half of the pots received 2.5% humic acid and control treatment received no humic acid. Result of research indicate that humic acid  can increase growth of host plant and mycorrhizae sporulation at all salinity levels. Acaulospora  is highest   its spore production   followed by of Glomus and Gigaspora .
PERUBAHAN PENUTUPAN LAHAN DAN PENGARUHNYA TERHADAP CADANGAN AIR PADA DAERAH TANGKAPAN AIR DANAU DUSUN BESAR Suhardi Suhardi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 7, No 1 (2005)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.7.1.51-58

Abstract

The aim of this research was to determine the change of regions covered by vegetation in catchment area of Dusun Besar Lake. The research was conducted by analyzing Landsat TM Datas obtained in 1994, 1997 and 2003 and supported with field observation in 2003. Analyzed was conducted by using of Er Mapper 5.5 with RGB 542 bands. This research revealed that the decrease of regions covered by vegetation was observed from 1994 to 2003. The width of this area in 1994 was 2039.50 ha, while in 1997, this area became 1375.97 ha and decreased to 282.26 ha in 2003. The reduce of this region caused, undoubtedly, the shrink of areas covered by flood around lake site. In fact, this research showed the decrease of this flood area from 627.34 ha in 1994, and became 160.67 ha in 1997 and 44.29 ha in 2003. This reduction of vegetation area was probably due by high intensity of deforestation by resident who changed this area to became paddy rice or other types of land culture. This deforestation was intensified by road construction from Nakau to Air Sebakul in 1990 that split this area. 
HUBUNGAN ANTARA KANDUNGAN LIGNIN KULIT BENIH DENGAN SIFAT-SIFAT KHUSUS KULIT BENIH KACANG HIJAU Marwanto Marwanto
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 9, No 1 (2007)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.9.1.6-11

Abstract

Lignin content in  seed coat may have a direct effect on seed coat characteristics of mung bean  genotypes (Vigna radiata). This research was designed to study the variation of seed coat lignin content among mung bean genotypes and its relationship to permeability, seed electrolyte conductivity and hard seed.  Seeds of eleven mung bean genotypes were grown in research plots at Agriculture Faculty, Bengkulu University on February 2002 and hand harvested at R8 maturation stage. The plots were arranged in a randomized complete block design having three replications. Genotypic differences were evident for seed coat lignin content, seed coat permeability, seed electrolyte conductivity and hard seed. The seed coat lignin content contributed to variability in permeability, seed electrolyte conductivity and hard seed and closely related with permeability (r =0.75*), with seed electrolyte conductivity (r = - 0.93**) and with hard seed (r = - 0.71*). Overall, seed coat lignin content appears to have determining effects on seed coat characteristics.
PENENTUAN TINGKAT PENGGUNAAN MINERAL ORGANIK UNTUK MEMPERBAIKI BIOPROSES RUMEN PADA KAMBING SECARA IN VITRO Muhtarudin Muhtarudin; Liman Liman
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 8, No 2 (2006)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.8.2.132-140

Abstract

The objective of research was to determine utilization level of organic mineral both macro (Ca, Mg) and micro (Zn, Cu, Cr, Se) mineral by in vitro method. The research had two steps, the first, determine utilization level of micro organic mineral.The research used completely randomized design with 5 treatments and 6 replications. The treatments were arranged i.e: basic rations (30% forage+70% concentrate); basic rations +0.5 times recomendation of organic micro mineral, basic rations + 1 times recomendation of organic micro mineral, basic rations + 1.5 times recomendation of organic micro mineral, and basic rations+2 times recomendation of organic micro mineral. Secondly, the research had done to determine utilization level of macro organic mineral. The research used completely randomized design with 5 treatments and 6 replications The treatments were arranged i.e: basic rations (30% forage + 70% concentrate); basic rations +0.5 times recomendation of organic macro mineral, basic rations+1 times recomendation of organic macro mineral, basic rations +1.5 times recomendation of organic macro mineral, and basic rations+2 times recomendation of organic macro mineral. The parameters consisted i.e: containing of volatil fatty acid, ammonia, dry matter digestibility, and organic matter digestibility. The result showed (1) based on dry matter digestibility, and organic matter digestibility, the best level of utilization of organic macro mineral was 1 times recomendation of NRC (1985) based on organic matter digestibility, the best level of utilization of organic micro mineral was 1.5 times recomendation of NRC.
MUTU BUAH JERUK KALAMANSI PADA BERBAGAI TINGKAT SERANGAN PENYAKIT KUDIS Kusmea Dinata; Taufik Hidayat
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 21, No 1 (2019)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.21.1.9-14

Abstract

[FRUIT QUALITIES OF CALAMANSI UNDER DIFFERENT SCAB DISEASE SEVERITIES]. Citrus scab caused by Elsinoë fawcettii dan Elsinoë australis fungi is an important disease for calamansi lime. The pathogen can result creamy-yellowish, raised, rounded, corky scabs appear on the rind surface of the fruit that reduces marketabilityof the fruit. The objective of this  study was to evaluate the development and intensity of scab and their effects on the physical and chemical qualities of calamansi fruits. The observations were made on 30 fruit samples collected from farmer’s calamansi orchard for the development and intensity of disease symptoms, fruit appearances, juice content, and total soluble solids of the juice. The results showed that the pathogen began to attack on early fruit set phase. The intensity of the disease at the beginning of the observation was 11.06% and increased to 58.18% with an average rate of attack intensity of 14.54%. The disease reduced the fruit weight, fruit diameter, juice volume and total soluble solid levels.

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