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INDONESIA
Jurnal Pengendalian Hayati
Published by Universitas Jember
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Pengendalian Hayati merupakan jurnal pengetahuan yang menyajikan artikel mengenai hasil penelitian serta perkembangan mutakhir pengendalian organisme pengganggu tumbuhan dengan memanfaatkan agensia pengendali hayati baik terhadap hama, penyebab penyakit dan gulma.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 2 No 1 (2019)" : 5 Documents clear
Patogenisitas Jamur Entomopatogen Aschersonia sp. Sebagai Pengendalian Hama Kutu Sisik Citricola Coccus pseudomagnoliarium (Kuw.) (Homoptera : Coccidae) Pada Tanaman Jeruk Barep Seto Pramono; Hari Purnomo
Jurnal Pengendalian Hayati Vol 2 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jph.v2i1.17135

Abstract

One of the pests that attack the citrus plant is the scales of the citricola scales Coccus pseudomagnoliarium (Homoptera: Coccidae) which attack the branches and branches of the orange plant. This research aims to determine the level of pathogenicity of Aschersonia sp. in controlling C. pseudomagnoliarium pests in citrus plants. This research was conducted by knowing the level of pathogenicity of Aschersonia sp. in C. pseudomagnoliarium pests based on observations of C. pseudomagnoliarium nymph mortality variables, mycosis, mummification, and LC50 values (Lethal Concentration 50) and LT50 (Lethal Time 50). This research can provide information on the pathogenicity of Aschersonia sp. against C. pseudomagnoliarium in citrus plants. The highest percentage of mortality occurred at the treatment density of 109 spores/ml with a value of 77.50% and the lowest percentage of mortality occurred at the treatment density of 105 spores/ml with a value of 15.00%. LC values indicate that the spores density of 2.8 × 107 spores/ml has been able to kill 50% of the test insects, while to kill 90% of the test insects requires a density of 2.4 × 1010 spores/ml and to kill 95% of the test insects requires a density 1.6 × 1011 spores/ml. The LT50 calculation results show that the 1 × 109 spore density treatment has the smallest LT50 value of 3.11 days.
Efektivitas Pelapisan Benih (Seed Coating) Berbahan Aktif Cendawan Antagonis Untuk Mengendalikan Penyakit Rebah Kecambah (Damping Off) Kacang Tanah Sukma Karina Putri; Abdul Majid
Jurnal Pengendalian Hayati Vol 2 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jph.v2i1.17136

Abstract

Peanut (Arachis hypogaea L.) is one of the strategic commodities in agriculture that is widely used as food and oil preparations. The constraint in the production of peanut is the Slclerotium rolfsii Sacc attack which causes a loss of 40-75%. Alternative control that using the antagonist Trichoderma harzianum with coating techniques. The purpose of this study was to determine the effect of the addition of T. harzianum with coating techniques in suppressing S. rolfsii and their effect on seed viability. This research was carried out at the Plant Protection Laboratory and at Green House of the Faculty of Agriculture, University of Jember With the research design used a Factorial Complete Randomized Design. Consisting of 2 factors. The result showed that P2W1 (Kaolin and 1-week storage) effectively controlled S. rolfsii with an effectiveness value of 61,7% extending the 12 days after inoculations for incubation period, being able to maintain a better population of biological agents, 30 % severity, 100 % of viability, dry weight 11,74 grams, and 49,98 % or incidence.
Aplikasi Herbisida Berbahan Aktif Campuran Atrazin-Mesotrion dan Paraquat dalam Pengendalian Gulma pada Pertanaman Jagung (Zea mays L.) Rima Esa Lolitasari; Saifuddin Hasjim
Jurnal Pengendalian Hayati Vol 2 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jph.v2i1.17138

Abstract

Corn in cultivation is inseparable from several other organism disorder s that can inhibit or reduce that productivity. One of the disorders is caused by weeds. Application of herbicides with active ingredients on the mixture of atrazine-mesotrion, and paraquat which is applied to corn plants has its own effect on corn plants if it is applied not according to the time or recommended dosage. The experimental design used, namely Randomized Completely Block Design (RCBD) with 6 treatments and 4 replications, namely P0 (control or uncontrolled), P1 (manual weeding 21 hst and 42 hst), P2 (Application of atrazine a nd mesotrione dose of 1.5 l / ha 21 hst), P3 (Application of paraquat dose 1 l / ha 21 hst), P4 (Application of atrazine and mesotrione dosage 1.5 l / ha 21 hst and 42 hst), P5 (Application of paraquat dose 1 l / ha 21 hst and 42 hst). The results showed that the use of herbicides with active ingredients atrazine, mesotrione, and paraquat had been able to effectively reduce the biomass of broad-leaf weeds and grasses. The use of the paraquat active ingredient applied at 21 hst showed the highest phytotoxicity symptoms in weeds and in maize plants. The use of two active ingredients of herbicide, manual weeding and control had no effect on plant height, growth rate, cob length, ear circumference, and had effect on shell weight.
Pengaruh Penggunaan Beberapa Varietas dan Aplikasi Pseudomonas fluorescens untuk Mengendalikan Penyakit Bulai (Peronosclerospora maydis) pada Tanaman Jagung (Zea mays L.) Muhamad Aditia Ulhaq; Rachmi Masnilah
Jurnal Pengendalian Hayati Vol 2 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jph.v2i1.17131

Abstract

Corn is one of the commodities that have high economic value and important role in meeting food needs in Indonesia. Unfavorable conditions on the rate of the higher demand for corn. Pests to be one limiting factor that causes a decrease in the production of corn. Peronosclerospora maydis is a pathogen that causes downy mildew on corn. P. maydis infects corn plants at the age of 2-3 weeks, with the level of damage reaches 80-100%. Control efforts against this disease one of them using antagonistic microbes such as bacteria Pseudomonas fluorescens. P. fluorescens has the potential to control downy mildew because it produces compounds that are antibiosis as chitinase enzymes that can hydrolyze the cell walls of fungi. The purpose of this study to determine the effect of the interaction of P. fluorescens isolates applications and the use of some varieties to suppress downy mildew attack P. maydis on corn. The method used is to use a random test design of a factorial group with 2 factors. The first factor is the type of varieties with three levels namely V1: Pioneer 27, V2: Pioneer 21 and V3: Bonanza. The second factor is a type of isolates P. fluorescens with three levels namely P1: without the application of P. fluorescens, P2: Isolates P. fluorescens (A) and P3: Isolate of P. fluorescens (B). The result is the application of P. fluorescens and use of some varieties can suppress downy mildew P. maydis.
Keragaman Arthropoda Herbivora dan Musuh Alami Pada Tanaman Padi Lahan Rawa di Rowopulo Kecamatan Gumukmas Kabupaten Jember Muflih Adnan; Wagiyana .
Jurnal Pengendalian Hayati Vol 2 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jph.v2i1.17132

Abstract

Rowopulo is one of the swamps in Gumukmas, Jember Regency with its unique soil in the form of peat soil that floats on water and by the community used for rice cultivation whose production is influenced by the presence of Plant Pests (OPT) which is dominated by the Herbivod Arthropods. The presence of herbivorous Arthropods in the swampland rice ecosystem can be suppressed by the presence of useful Arthropod populations such as predators, parasitoids and pollinators. Related to this, a study was conducted with the aim to find out the diversity of Arthropods found in swampy rice plantations. The study began with a land survey, then the determination and marking of observation plots on the map and matching these locations using GPS (Global Positioning System). Observations were made on plots that were made based on the extent of rice plants that were still in one stretch and the same irrigation flow. Each plot was observed 10 times at 7-day intervals from rice plants aged 14 days after 77 days after planting. Arthropod sampling using sweep net method. Catching arthropods are put into vials of 5 ml size and then identified up to family level and the diversity, evenness and wealth index of the species is calculated. The results of research on swamp rice plants contained 37 families. 10 families act as herbivorous Arthropods, 15 families as predators, 6 families as parasitoids, 1 family as pollinators and 5 families as detritivores. The highest diversity index in plot 1 was 2.95, while the lowest in plot 2 was 2.70 with the medium category for all observation plots. The magnitude of the diversity index is due to the dominance of only a few orders, such as Orthoptera and Diptera; the highest species wealth index in plot 3 with a value of more than 4 in the high category; Evenness index of all observation plots has a value of less than one with uneven categories.

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