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Y. Andi Trisyono
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INDONESIA
Jurnal Perlindungan Tanaman Indonesia
Published by Universitas Gadjah Mada
ISSN : 14101637     EISSN : 25484788     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 28, No 2 (2024)" : 7 Documents clear
The Influence of Climate Factors on the Incidence Area of Fusarium spp. in Shallots on Java Island during the Triple-Dip La Niña (2020-2022) Dharma, Krisnanda Surya
Jurnal Perlindungan Tanaman Indonesia Vol 28, No 2 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.85639

Abstract

Shallots are a strategic horticultural commodity that contributes to inflation in Indonesia. The productivity of shallots is vulnerable to pests and diseases. Based on the incidence area during the La Niña period (2020 – 2022), Fusarium spp. is among the top five main pests and diseases reported to attack shallot crops in Java. Climate factors are suspected to have an effect on diseases incidence in the field. So far, there has been no research on the influence of climate factors on Fusarium twisted disease in Java. This study aims to analyze the influence of climate factors on the monthly incidence area of Fusarium spp. in Java during the La Niña period (2020 – 2022). The analysis used correlation and simple linear regression tests. Based on the correlation test, humidity and precipitation had a strong positive correlation with the incidence area of Fusarium spp. in shallots. Conversely, the sunshine duration had a strong negative correlation, while the temperature showed no correlation. From the simple linear regression test, humidity, precipitation and sunshine duration was found to strongly influence Fusarium spp. incidence, accounting for 47%, 48% and 40%, respectively (p<0.05). Temperature had no effect because it had the lowest fluctuation among other climate factors, ranging between 26 - 27.5°C, which was ideal for the development of Fusarium spp. To manage Fusarium spp. on shallots, it is recommended to select resistant varieties, optimize plant spacing, use fertilizers judiciously, and utilize healthy seeds. Additionally, the application of biological agents can suppress the growth of pathogenic fungi and increase plant resistance.
An Update on the Fall Armyworm: Severity of Maize Damage and Susceptibility to Emamectine Benzoate and Chlorantraniliprole Trisyono, Y. Andi; Hendrayanti, Hadvina Nur; Yuantomoputro, Arzaq P.; Setyaningrum, Ary V.; Harjanto, Sriyanto; Aryuwandari, Valentina E. F.
Jurnal Perlindungan Tanaman Indonesia Vol 28, No 2 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.95262

Abstract

The damage area due to fall armyworm (FAW, Spodoptera frugiperda) in Indonesia decreased during the last three years (2021-2023) after the first outbreak in 2019. This insect continues to pose some risk for maize production with most reports documented the damage during the vegetative maize stage showing leave defoliation. This article provides an update on the high field population and the new type of damages caused by FAW by boring the stalks and feeding the cobs observed in the District of Grobogan, Central Java. The populations of egg masses, adults, and larvae were 0.4, 0.17, and 0.37 per plant of 27-day-old, respectively. The reproductive maize was heavily damaged by FAW with leave damage score of 9, 0.33 holes per stalk, and 75% of cobs damaged. The FAW larvae produced from the collected egg masses were still susceptible to emamectin benzoate and chlorantraniliprole. These findings prove that FAW can cause very serious damage leading to almost total yield loss. As maize becomes more important in Indonesia, proper management in compliance with the Integrated Pest Management (IPM) principles is mandatory to keep the population low and prevent large-scale outbreaks.
Olfactory Response of Diaphorina citri to Guava Leaves Powder Poerwanto, Mofit Eko; Solichah, Chimayatus; Wicaksono, Danar; Ulilalbab, Azizah Ridha; Ajri, Miftahul
Jurnal Perlindungan Tanaman Indonesia Vol 28, No 2 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.96847

Abstract

Citrus Vein Phloem Degeneration (CVPD) is transmitted by the insect vector Diaphorina citri is still a major obstacle to world citrus production. Vector handling still relies on chemical insecticides which are not environmentally friendly and less effective. This study was conducted to identify the ability of dried guava leaf extract in reducing the olfactory response of D. citri. Y-tube olfactory test was conducted to identify the repellency effect of a mixture of citrus leaf extract and guava (Psidium guajava) leaf extract at various leaf ages and in various proportions to vector and its predator (Menochilus sexmaculatus). The results showed that guava leaves had a repellent effect on D. citri, but not on M. sexmaculatus. The repellant effect was higher on young guava leaves than on medium and old ones. Red guava leaves have a highest repellant effect than white guava and non-seed guava leaves. Guava leaf extract is an alternative means to control D. citri. However, the types of compounds that function as repellants need to be studied further. 
Evaluation of Three Cucurbitaceae Cultivars Resistant against Begomoviruses Based on Morphological Symptoms and Molecular Analysis Subiastuti, Aprilia Sufi; Huda, Muhammad Syafi’atol; Daryono, Budi Setiadi
Jurnal Perlindungan Tanaman Indonesia Vol 28, No 2 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.87915

Abstract

Cucurbitaceae is a group of annual horticultural crops with high economic prospects and benefits. The Faculty of Biology, Universitas Gadjah Mada has developed several new cultivars within the Cucurbitaceae family, such as the melon cultivar 'Hikapel', watermelon 'Citra Jingga', and butternut squash 'Citra Laga'. However, development of these cultivars has been hindered by yellow disease, typically triggered by Begomovirus infection. This study aimed to determine the morphological symptoms of yellow disease, to detect Begomovirus infection using molecular approach, and assess resistance levels of the three Cucurbitaceae cultivars. The method involved observing morphological symptoms in plants and measuring plant height. The degree of symptom severity was then converted into a vulnerability index (VI). The symptomatic leaf samples were tested using Krusty and Homer primer to confirm the symptoms caused by Begomovirus. The PCR results were sequenced and analyzed using Maximum Likelihood method in MEGA 11. The results showed that symptoms included curling tip of leaves, yellow mosaic on the leaves, and stunted growth in some plants, which were suggested as Begomovirus infection. Based on the Vulnerability Index (VI), the watermelon cultivar 'Hikapel' was considered susceptible to Begomovirus infection (VI = 85%), while the yellow squash 'Citra Laga' was moderately susceptible (VI = 57.5%). However, the watermelon 'Citra Jingga' was considered moderately resistant to this infection (VI = 50%). The presence of DNA the Begomovirus at three species Cucurbitaceae were characterized by a 550 bp band. The 'Hikapel' melon and 'Citra Laga' butternut were infected with Tomato leaf curl New Delhi virus (ToLCNDV), while the ‘Citra Jingga’ watermelon were infected with Squash leaf curl Philippine virus (SLCuPV).
Potency of Wild Boar as Plant Pests in South Sulawesi Fatmawaty, Andi St; Arif Bijaksana, Andi Muhammad
Jurnal Perlindungan Tanaman Indonesia Vol 28, No 2 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.93801

Abstract

Land damage and the risk of crop failure caused by wild boar (Sus scrofa) is one of the main obstacles in producing agricultural products. Wild boars often attack agricultural crops when they are about to harvest, one of which is the damage to corn farms in several areas in Sulawesi which results in losses for corn farmers. Controlling this pest must be done quickly and precisely to create a safe agricultural environment. This study aims to determine the potential of wild boar as a plant pest, especially on agricultural land in South Sulawesi. The research was conducted in Mamasa, Bulukumba, and Bantaeng, South Sulawesi Province. Quantitative and qualitative methods were applied to obtain primary data by direct interviewing 63 respondents. Respondents were farmers who suffering from economic loss due to wild boar attacks on their crops, therefore, they were taken with purposive sampling and at random. Meanwhile, the secondary data were obtained from some related references. Results showed that the wild boar in South Sulawesi is a potential crop pests at areas of mountain (62%), swamp (38%) but not at bushland (0%). The most severe damaged crop was corn (70%), and the other damaged crops were cassava (11%), eggplant (6%), soybean (5%), tomato (3%), groundnut (3%), and sweet potato (2%). In order to reduce the pest risk, hence, extension program to educate the farmer community is needed.
In Vitro Liquid Smoke Potential as Biopesticide on Major Oil Palm Diseases Setiawan, Wawan; Majid, Muhammad; Putri, Sekar Dian Permata; Tambunan, Van Basten; Wibowo, Cahyo Sri
Jurnal Perlindungan Tanaman Indonesia Vol 28, No 2 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.95130

Abstract

Liquid smoke is reported as an environmentally friendly pesticide that can effectively manage various crop pathogens. The antimicrobial effect of liquid smoke is believed to be due to its phenol, carbonyl, and organic acid content. The aim of this study was to examine the effect of five commercial liquid smoke at two concentration levels (1% and 2%) on the development of Ganoderma boninense and Curvularia sp. colonies in vitro. This experiment was carried out using a Completely Randomized Design (CRD) with 11 treatments (Control, A1%, B1% C1%, D1%, E1%, A2%, B2%, C2%, D2%, and E2%) and three repetitions. Results showed effects of 11 treatments on test pathogen colonies growth. Liquid smoke types B and C showed the best inhibition against Curvularia sp. and G. boninense. GC-MS analysis revealed that phenol compounds were the dominant compounds, ranging from 24.45% to 85.28%.
Feeding Behavior of Brown Planthopper (Nilaparvata lugens) on Pigmented Rice Monitored by Electrical Penetration Graph (EPG) Witjaksono, Witjaksono; Aldawood, Abdulrahman Saad; Kristamtini, Kristamtini; Sumarno, Sumarno; Andriyanto, Rofiq; Soffan, Alan
Jurnal Perlindungan Tanaman Indonesia Vol 28, No 2 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.96909

Abstract

Rice is one of the essential daily commodity for most of Asian. However, the brown plant hopper (BPH; Nilaparvata lugens) infestation had been threatening the increasing demand of rice production. Evaluating resistance level of rice cultivars against BPH will help in managing BPH infestation. The feeding behavior monitoring of brown plant hopper (BPH; Nilaparvata lugens) by  using an electrical penetration graph (EPG) was conducted to evaluate the resistance level of several rice cultivars against BPH, including pigmented rice (black rice cv. Sembada hitam; red rice cv. Sembada merah); and the commonly consumed white rice (cv. Ciherang). The EPG instrument allowed the monitoring of BPH feeding behaviors by quantifying three unique waveforms, namely, N3, N4, and N5, which represent BPH feeding activities in areas near phloem tissues, in phloem tissues, and in xylem tissues, respectively. EPG monitoring of BPH feeding activities in black rice revealed the absence of the N3 and N4 waveforms. Red rice showed the N3 waveform but not the N4 waveform. White rice showed all three waveforms occurring with high numbers and long total durations. The absence of the N4 waveform in the two pigmented rice cultivars indicated the failure of BPH to access phloem tissues. Overall, the results revealed that the resistance of rice against BPH based on feeding activity could be ordered as follows: black rice > red rice > white rice. This report provides essential information on the resistance mechanism of pigmented rice cultivars against BPH.

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