CONTROLLING Metisa plana Walker (Lepidoptera: Psychidae) OUTBREAK USING Bacillus thuringiensis AT AN OIL PALM PLANTATION IN SLIM RIVER, PERAK, MALAYSIA

Kamarudin, Noorhazwani; Ali, Siti Ramlah Ahmad; Masri, Mohamed Mazmira Mohd; Ahmad, Mohd Najib; Manan, Che Ahmad Hafiz Che; Kamarudin, Norman

doi:10.21894/jopr.2017.2901.05

Cited by 22 publications

(14 citation statements)

References 3 publications

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“…Chemical insecticides application through trunk injection technique, ground spraying technique, and aerial spraying includes the use of trichlorfon, cypermethrin, methamidophos, and monocrotophos [ 14 ]. The use of biopesticides, such as Bacillus thuringiensis ( Bt ) [ 15 , 16 ], endoparasitoid [ 17 ], and pheromone mass trapping as a biological control [ 18 ] have been reported. Despite these efforts, effective control with economical benefits and safer choice is yet to be found.…”

Section: Introductionmentioning

confidence: 99%

The Developmental Transcriptome of Bagworm, Metisa plana (Lepidoptera: Psychidae) and Insights into Chitin Biosynthesis Genes

Rahmat

Zifruddin

Abidin³

et al. 2020

Genes

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Bagworm, Metisa plana (Lepidoptera: Psychidae) is a ubiquitous insect pest in the oil palm plantations. M. plana infestation could reduce the oil palm productivity by 40% if it remains untreated over two consecutive years. Despite the urgency to tackle this issue, the genome and transcriptome of M. plana have not yet been fully elucidated. Here, we report a comprehensive transcriptome dataset from four different developmental stages of M. plana, comprising of egg, third instar larva, pupa and female adult. The de novo transcriptome assembly of the raw data had produced a total of 193,686 transcripts, which were then annotated against UniProt, NCBI non-redundant (NR) database, Gene Ontology, Cluster of Orthologous Group, and Kyoto Encyclopedia of Genes and Genomes databases. From this, 46,534 transcripts were annotated and mapped to 146 known metabolic or signalling KEGG pathways. The paper further identified 41 differentially expressed transcripts encoding seven genes in the chitin biosynthesis pathways, and their expressions across each developmental stage were further analysed. The genetic diversity of M. plana was profiled whereby there were 21,516 microsatellite sequences and 379,895 SNPs loci found in the transcriptome of M. plana. These datasets add valuable transcriptomic resources for further study of developmental gene expression, transcriptional regulations and functional gene activities involved in the development of M. plana. Identification of regulatory genes in the chitin biosynthesis pathway may also help in developing an RNAi-mediated pest control management by targeting certain pathways, and functional studies of the genes in M. plana.

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Section: Introductionmentioning

confidence: 99%

The Developmental Transcriptome of Bagworm, Metisa plana (Lepidoptera: Psychidae) and Insights into Chitin Biosynthesis Genes

Rahmat

Zifruddin

Abidin³

et al. 2020

Genes

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“…The ground data for bagworm infestation consisted of healthy (P0) and infested oil palm (P1). The ground data was conducted by visual inspection of bagworm existence on the leaves and fronds of oil palm for occurred damages (Kamarudin et al, 2017).…”

Section: Ground Datamentioning

confidence: 99%

“…Meanwhile, bagworm infestation can cause about 30-40% yield losses (Basri, 1993). Regular census and aerial spraying of bio-insecticide is important to control the infestation (Kamarudin et al, 2017). Current bagworm infestation detection relies on visual inspection on the ground based on the visual symptom of bagworm presence and damage to the foliar (Cheong et al, 2010), which also changes the spectral signatures of the foliar.…”

Section: Introductionmentioning

confidence: 99%

Remote Sensing for Detection of Ganoderma Disease and Bagworm Infestation in Oil Palm

Anuar

Arof

Nor

et al. 2021

Adv Agric Food Res J

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Two major disease and pest in oil palm are Ganoderma disease and bagworm infestation. Ganoderma disease caused by Ganoderma boninense and bagworm infestation caused by Metisa Plana has caused significant loss to oil palm industry. Therefore, early detection and control are important to reduce the losses. This paper reviewed the existing approaches, challenges and future trend of aerial remote sensing technology for Ganoderma disease and bagworm infestation in oil palm. The aerial remote sensing technology comprises of multispectral, hyperspectral camera and radar which have different platform such as satellite, aircraft and Unmanned Aerial Vehicle (UAV). The aerial multispectral and hyperspectral remote sensing analysed spectral signatures from visible and near infrared spectrum range for detection of the disease and pest attacks. Studies showed that satellite-based multispectral remote sensing only provide moderate accuracy (<70%) compared to UAV-based multispectral remote sensing (>80%) for detection of disease and pest infestation. Meanwhile, our study using UAV showed 90% of accuracy for moderate and severe Ganoderma disease detection in oil palm. Meanwhile, application of aerial hyperspectral remote sensing for Ganoderma disease showed potential for early detection of Ganoderma disease in oil palm and also can be used to detect early pest infestation in oil palm based on field spectroscopy results. Other than that, radar remote sensing has also able to differentiate healthy and Ganoderma-infected oil palm and also pest infestation by analysis of radar backscatter image of the foliar, frond and crown of oil palm. The challenges for the implementation of aerial remote sensing technology for disease and pest detection in oil palm is in tackling problems from shadows, mixed-class from single canopy and false-positive classification and also producing equipment at a lower and affordable price and also a user-friendly data analysis system that can be used by the plantations for a fast disease and pest detection works. The introduction of Artificial Intelligence (AI), Machine Deep Learning (MDL), low-cost remote sensing camera and light-weight UAV has opened the opportunity to tackle the challenges. As a conclusion, aerial remote sensing provides better and faster disease and pest infestation detection system compared to ground-based inspection. The advancement of the aerial remote sensing technology can provide more economic and efficient disease and pest infestation detection system for large oil palm plantation areas.

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“…The search for alternatives for E. elaeasa control is important, considering the impact generated by the use of insecticides in this agroecosystem [6]. Thus, the use of natural enemies, such as viruses, bacteria, and fungi, can be an alternative for oil palm pest control [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…Bt was reported as a biological control agent for oil palm pests [6,25]. Different oil palm lepidopteran species may have different levels of susceptibility to a specific Cry protein that occurs in Metisa plana Walker (Psychidae) [16], Opsiphanes cassina Felder (Nymphalidae) [26], and Tirathaba rufivena Walker (Pyralidae) [27]. This microbiological agent provides biodiversity in agroecosystems and the delivery of ecosystem services to agricultural production, especially in pest population regulation [28].…”

Section: Introductionmentioning

confidence: 99%

Insecticidal Activity of Bacillus thuringiensis Strains on the Nettle Caterpillar, Euprosterna elaeasa (Lepidoptera: Limacodidae)

Plata-Rueda

Quintero²,

Serrão

et al. 2020

Insects

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In the present work, we evaluated the insecticidal activity of Bacillus thuringiensis (Bt) strains on Euprosterna elaeasa as an alternative for the organophosphate insecticide use in oil palm plantations in the Americas. The toxic effects of four Bt-strains (HD-1 var. kurstaki, SA-12 var. kurstaki, ABTS-1857 var. aizawai, and GC-91 var. aizawai) were evaluated against E. elaeasa caterpillars for toxicity, survival, anti-feeding, and mortality in field-controlled conditions. The Bt-strains, ABTS-1857 var. aizawai (LC50 = 0.84 mg mL−1), GC-91 var. aizawai (LC50 = 1.13 mg mL−1), and HD-1 var. kurstaki (LC50 = 1.25 mg mL−1), were the most toxic to E. elaeasa. The caterpillar survival was 99% without exposure to Bt-strains, and decreased to 52–23% in insects treated with the LC50 and 10–1% in insects exposed to LC90 after 48 h. Furthermore, Bt-strains decreased significantly the consumption of oil palm leaves of E. elaeasa 3 h after exposure. Mortality of E. elaeasa caterpillars caused by Bt-strains had similar lethal effects in the laboratory and in field conditions. Our data suggest that Bt-strains have insecticidal activity against E. elaeasa and, therefore, have potential applications in oil palm pest management schemes.

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CONTROLLING Metisa plana Walker (Lepidoptera: Psychidae) OUTBREAK USING Bacillus thuringiensis AT AN OIL PALM PLANTATION IN SLIM RIVER, PERAK, MALAYSIA

Abstract: Aerial spraying of Bacillus thuringiensis (Bt)-based biopesticides,

Cited by 22 publications

References 3 publications

The Developmental Transcriptome of Bagworm, Metisa plana (Lepidoptera: Psychidae) and Insights into Chitin Biosynthesis Genes

The Developmental Transcriptome of Bagworm, Metisa plana (Lepidoptera: Psychidae) and Insights into Chitin Biosynthesis Genes

Remote Sensing for Detection of Ganoderma Disease and Bagworm Infestation in Oil Palm

Insecticidal Activity of Bacillus thuringiensis Strains on the Nettle Caterpillar, Euprosterna elaeasa (Lepidoptera: Limacodidae)

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