cover
Contact Name
Y. Andi Trisyono
Contact Email
anditrisyono@ugm.ac.id
Phone
+62274-523926
Journal Mail Official
jpti.faperta@ugm.ac.id
Editorial Address
Jalan Flora No. 1, Bulaksumur, Sleman, Yogyakarta, 55281
Location
Kab. sleman,
Daerah istimewa yogyakarta
INDONESIA
Jurnal Perlindungan Tanaman Indonesia
ISSN : 14101637     EISSN : 25484788     DOI : -
Core Subject : Agriculture,
Arjuna Subject : -
Articles 8 Documents
Search results for , issue "Vol 16, No 1 (2010)" : 8 Documents clear
Identifikasi dan Virulensi Fusarium oxysporum f.sp. cubense RAS 4 Dwi Kiswanti; Suryanti Suryanti; Christanti Sumardiyono
Jurnal Perlindungan Tanaman Indonesia Vol 16, No 1 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (479.166 KB) | DOI: 10.22146/jpti.11748

Abstract

The aim of this study was to identify and to detect the virulence of Fusarium oxysporum f.sp. cubense (Foc) race 4. The isolates consisted of BNT-2, KD-1, U-8, BK, A-2, and A-13. Monospore isolation was done to obtain stable isolates. The detection and characteristics of isolates were observed on Komada medium. The diameter of colony and color was observed from underside of culture in petridish, while the shape of colony was observed from the upper side. Virulence test was conducted on Cavendish cultivar seedlings. Banana seedlings were inoculated with Foc cultured on rice medium (20 g/kg soil). The result indicated that A-13, U-8, BNT-2, and BK, were very virulent isolates; while A-2 and KD-1 were virulent. All isolates were detected as Foc race 4, with mild yellowish color and laccinated colonies on Komada medium.
Peningkatan Ketahanan Tanaman Pisang Kepok Kuning terhadap Penyakit Darah melalui Variasi Somaklonal dan Simbiosis Endofitik Arif Wibowo; Tri Joko; Siti Subandiyah; Ika Mariska; Yati Supriyati; Yadi Suryadi; Ika Roostika
Jurnal Perlindungan Tanaman Indonesia Vol 16, No 1 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3699.305 KB) | DOI: 10.22146/jpti.11738

Abstract

One of the obstacles that was encountered in the banana cultivation is blood disease. Blood diseases is caused by Ralstonia solanacearum that is subsequently revised to become blood disease bacteria (BDB). Until now the control of banana blood disease is very difficult. Control of banana blood disease with chemical injections and soil treatment is not effective. This study was aimed to obtain Kepok Kuning cultivar banana seedlings which was resistant towards blood disease obtained from in vitro selection by using BDB growing filtrate and induced resistance by inoculation of antagonistic endophytic bacteria.The observation of Kepok Kuning banana explants treated with various concentrations of BDB growing filtrate showed that the percentage of living explants decreased to 83.33% when the BDB growing filtrate concentration increased to 15%. Treatment of banana explants with BDB growing filtrate also affected the number of roots, shoots, and leaves. Treatment with a single antagonistic endophytic bacteria suppressed the intensity of banana blood disease to 0% in comparison with the mixture of antagonistic endophytic bacteria if Kepok Kuning banana explants were not treated with BDB growing filtrate. When Kepok Kuning banana explants were treated with BDB growing filtrate, the intensity of banana blood disease suppressed to 0% after the high concentration of BDB growing filtrate and the antagonistic endophytic bacteria mixture were applied.
Evaluasi Lanjut Penyebaran Lalat Argentina sebagai Pengendali Gulma Siam Tri Harjaka; Soeprapto Mangoendihardjo
Jurnal Perlindungan Tanaman Indonesia Vol 16, No 1 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.11750

Abstract

The stem-galling fly, Cecidochares connexa is one of the natural enemies introduced into Indonesia for the control Siam weed (Chromolaena odorata). The research investigated to know the spread and establisment of C. connexa in Central Java and East Java. Survey was done in six districts started from Gunung Kidul until Madiun for sampling of Siam weed stems and calculate the parasitations of C. connexa. The results showed that C. connexa as natural enemies of Siam weed has established in Central Java and East Java with parasitation of stem reached 54.33%. C. connexa have spread more than 200 km from first site-released location in Wanagama I, Yogyakarta.
Pengaruh Konsentrasi dan Frekuensi Aplikasi Deltametrin terhadap Resurjensi Nilaparvata lugens Yuni Ratna; Y. Andi Trisyono; Witjaksono Witjaksono; Didik Indradewa
Jurnal Perlindungan Tanaman Indonesia Vol 16, No 1 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.11737

Abstract

Nilaparvata lugens is the type of insect pest whose resurgence is induced by insecticides. Deltamethrin is an insecticide commonly used by farmers to control pests other than N. lugens on rice. This research was conducted to determine the effect of sublethal concentrations and application frequency of deltamethrin on subsequent growth and development of third instars of N. lugens. The selected concentrations were 50 ppm (LC25) and 225 ppm (LC50), and the frequency of applications ranged 1–3 times. Each concentration was applied to the third instars of the parent generation (one time), the parent and their first offspring (two times) and the parent, their first and second offspring (three times). N. lugens used in this experiment was the susceptible population derived from the laboratory population. Application of deltamethrin on two and three consecutive generations increased nymphal mortality, the population of offspring produced by the surviving adults, and the ratio of treated and control females in producing the offspring. Increasing the frequency of application increased the ratio, and the females received three applications produced nymphs 2.65 times more than the control females. The two sublethal concentrations did not have significant impact on the above parameters. Furthermore, the interaction between concentration and frequency of application was absent. These findings suggest that several applications of deltamethrin at sublethal concentrations would contribute to the resurgence of N. lugens.
Distribusi Ruang Insektisida Heptaklor di Lahan Pertanian Kabupaten Bantul Provinsi Daerah Istimewa Yogyakarta Sigit Yuli Jatmiko; Edhi Martono; Djoko Prajitno; Suratman Worosuprojo
Jurnal Perlindungan Tanaman Indonesia Vol 16, No 1 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.11751

Abstract

Heptachlor (C10H5Cl7) was an organochlorine insecticide compound, which was considered POPs (Persistent Organic Pollutants) that is highly toxic to human. Since 2007 heptachlor insecticide was banned in Indonesia because of its chronic toxicity, persistency, bioaccumulative, and carcinogenic natures. But its illegal use is still rampant because its dark market availability, cheap price, and is effective in eradicating the pest. Furthermore, there is also lack of assertiveness of regulations and applicable laws. The objectives of the research were to identify pollution, pollution level, spatial distribution, and its correlation with soil chemicals properties, as well as the risks to health caused by heptachlor use. Research was conducted in 2010 by a survey on agricultural land in the regency of Bantul, Province of Yogyakarta Special Region on a 144 point grids. The tool used to determine heptachlor residue was GC-MS chromatography using Shimadzu GC-2014. The analysis showed that heptachlor was detected in soil, water and in agricultural products. Heptachlor residues were detected in 137 locations (95%) of 144 agricultural land sites, and the water residues on 11 sites exceeded the levels set according to levels of Government Regulation No. 82 of 2001. Heptachlor residue levels in agricultural products (rice, corn, soybeans, green beans, peanuts, and shallot) exceeded the maximum residue limit (MRL) established by the ISO (7313:2008). Soil acidity (pH) has very significant effect on the process of dissipation (loss) of heptachlor (p <0.01) in the soil. Based on the rules of Cambardella distribution, it was discovered that heptachlor had spatial autocorrelation with nugget-sill ratio of 35.7%. Heptachlor polluted rice in 37 locations with hazard index values >1.
Deteksi dan Diferensiasi Virus Kerdil Pisang dengan Teknik PCR-RFLP Rahma Ayu Priani; Susamto Somowiyarjo; Sedyo Hartono; Siti Subandiyah
Jurnal Perlindungan Tanaman Indonesia Vol 16, No 1 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.11736

Abstract

Banana bunchy top disease (BBTD) can be caused by the infection of two different viruses, Banana bunchy top virus (BBTV) or Abaca bunchy top virus (ABTV). Both viruses can be transmitted persistently by aphid Pentalonia nigronervosa Coq. The research was conducted to detect and to differentiate the virus bypolymerase chain reaction-restriction fragment length polymorphism (PCRRFLP) techniques. Infected plants were collected from Yogyakarta (Sleman, Yogyakarta city, Bantul, Gunung Kidul, and KulonProgo). Nucleon Phytopure DNA Extraction Kit method was used to extract the total DNA of infected plants. Universal primers of Common DNA region (S-CRF and S-CRR) and specific primers DNA-R (C1-CRF and CI-CRR) were used for PCR amplification. PCR products were analyzed by RFLP technique using the restriction enzyme of DraI. The results reconfirm previous reports that bunchy top disease of banana in Yogyakarta is caused by BBTV. The ABTV was not detected in this present study. Based on the RFLP analysis it was concluded that BBTV collected in this study could be divided into three groups. Group 1 consisted of BBTV isolate from Sleman and Yogyakarta city with two fragments DNA of 400 and 388 bp. Group 2 consisted of isolate BBTV from Kulon Progo and Gunung Kidul with three fragments DNA of 400, 388, and 323 bp. Group 3 consisted of isolate from Bantul with two fragments DNA of 723 and 376 bp. Further study on the complete characteristics of these groups is still needed.
Evaluasi Virulensi Virus Tungro dari Beberapa Daerah Endemi dan Uji Ketahanan Plasma Nutfah Padi Suprihanto Suprihanto; I Nyoman Widiarta; Dede Kusdiaman
Jurnal Perlindungan Tanaman Indonesia Vol 16, No 1 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.11749

Abstract

The purpose of this study was to evaluate the level of tungro virus virulence from some endemic areas, the suitability of planting resistant varieties, and resistance of rice germplasms. Tungro virus isolates were collected from tungro-endemic areas in North Sumatra, West Java, Central Java, South Sulawesi, West Sulawesi and Central Sulawesi. Tungro virus isolates were then inoculated using green leafhoppers Nephotettix virescens (Distant) to five differential varieties: Tukad Petanu, Bondoyudo, Kalimas, Tukad Balian, and Tukad Unda, and TN1 (as susceptible check). Level of virulence of tungro virus isolates and suitability planting of resistant varieties can be evaluated. Tungro virus isolate which has the highest virulence was used to test of resistant of rice germplasms. Results of tungro virulence test can be distinguished that there are 4 variants of virulence, namely: 073 (Subang, Bulukumba, Bantaeng, andWest Sulawesi isolates), 033 (Simalungun, Temanggung, and Palu), 031 (Kuningan andMagelang), and virulence 013 (Lanrang isolate). Tukad Petanu was still appropriate varieties to be planted in throughout the tungro-endemic areas (North Sumatra, West Java, Central Java, South Sulawesi, West Sulawesi, and Central Sulawesi). Bondoyudo variety still suitables to be planted in the areas of Simalungun, Kuningan, Magelang, Temanggung, Lanrang, and Palu. While Tukad Unda variety still have the suitability of planting for areas Kuningan, Magelang, and Temanggung. Between 100 assesions of germplasm which were tested to high virulence of tungro (073) one resistant assession has been identified (Deli assesion), and as many as 25 assesions showed moderately resistant reaction.
Aktivitas Harian dan Preferensi Burung Predator Lanius sp. terhadap Hama Sexava spp. Fredy Lala; F. X. Wagiman; Nugroho Susetya Putra
Jurnal Perlindungan Tanaman Indonesia Vol 16, No 1 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.11740

Abstract

The objective research is to know the daily activities and preference of predatory birds Lanius sp. to several stages of Sexava spp. Ten predatory birds 12 to 14 months of age were bought at merchant bird in Yogyakarta. The study was conducted naturally under controlled condition in cages. Before the study was conducted the predatory birds were acclimatized for three days by feeding them cricket and gradually changed to Sexava spp. The young nymphs, old nymphs, adult male, and adult female of Sexava spp. were found at coconut plantation in Dumagin village became the new dietary of the predator. The result showed that Lanius sp. is a diurnal bird; the activities were dominated by hunting and preying (16.52%), followed by flying (6.53%), jumping (5.70%), and walking (4.58%). The Lanius sp. preferred to prey on significantly more nymphs of Sexava spp. than the adult. The birds prey proportionally on the young nymphs, old nymphs, male, and adult females for 50%, 41%, 5%, and 4%, respectively.

Page 1 of 1 | Total Record : 8