Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae)

Tirathaba mundella Walker has emerged as one of the most prominent bunch feeding pests in Sarawak peat oil palm estates. Insecticides application is inevitable to prevent economic loss. However, to protect insect pollinators which cohabitat with the pest and reduce the risk of resistance developme...

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Main Authors: Su, Chong Ming, King, Patricia Jie Hung, Kwan, Yee Min, Zakry Fitri Ab Aziz, Ong, Kian Huat
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2021
Online Access:http://journalarticle.ukm.my/17901/
http://journalarticle.ukm.my/17901/1/145-156%2B%2B%2BPatricia%2BKing%2BJie%2BHung.pdf
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author Su, Chong Ming
King, Patricia Jie Hung
Kwan, Yee Min
Zakry Fitri Ab Aziz,
Ong, Kian Huat
author_facet Su, Chong Ming
King, Patricia Jie Hung
Kwan, Yee Min
Zakry Fitri Ab Aziz,
Ong, Kian Huat
author_sort Su, Chong Ming
building UKM Institutional Repository
collection Online Access
description Tirathaba mundella Walker has emerged as one of the most prominent bunch feeding pests in Sarawak peat oil palm estates. Insecticides application is inevitable to prevent economic loss. However, to protect insect pollinators which cohabitat with the pest and reduce the risk of resistance development among the pest to insecticides, rotation treatments with more than one pollinator-friendly insecticides is recommended. This paper examines the effectiveness of rotating several pollinator-friendly insecticides in controlling the pest. To assess the effectiveness of different rotation combination, a field study on a seven-year-old peat estate was carried out using several insecticides combinations and application intervals, then the level of infestation post-treatment was assessed. Significantly, the results showed that only four single rounds of insecticides application in a year would yield relatively better control than nine rounds of Bacillus thuringiensis applications. Overall, there was no significant difference in clean bunches percentages obtained between five rounds of treatment compared to only four rounds per year. The result strengthens our confidence that the optimum and most cost-effective approach for one-year protection against T. mundella was two rounds of 30.0 g active ingredient of chlorantraniliprole per ha rotated with two rounds of 25.0 g active ingredient of chromafenozide. The material cost was calculated as RM 351.20 per ha per year. The findings of this study would benefit future pest management practice in oil palm plantation established on peatland.
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spelling oai:generic.eprints.org:179012022-01-13T01:25:23Z http://journalarticle.ukm.my/17901/ Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae) Su, Chong Ming King, Patricia Jie Hung Kwan, Yee Min Zakry Fitri Ab Aziz, Ong, Kian Huat Tirathaba mundella Walker has emerged as one of the most prominent bunch feeding pests in Sarawak peat oil palm estates. Insecticides application is inevitable to prevent economic loss. However, to protect insect pollinators which cohabitat with the pest and reduce the risk of resistance development among the pest to insecticides, rotation treatments with more than one pollinator-friendly insecticides is recommended. This paper examines the effectiveness of rotating several pollinator-friendly insecticides in controlling the pest. To assess the effectiveness of different rotation combination, a field study on a seven-year-old peat estate was carried out using several insecticides combinations and application intervals, then the level of infestation post-treatment was assessed. Significantly, the results showed that only four single rounds of insecticides application in a year would yield relatively better control than nine rounds of Bacillus thuringiensis applications. Overall, there was no significant difference in clean bunches percentages obtained between five rounds of treatment compared to only four rounds per year. The result strengthens our confidence that the optimum and most cost-effective approach for one-year protection against T. mundella was two rounds of 30.0 g active ingredient of chlorantraniliprole per ha rotated with two rounds of 25.0 g active ingredient of chromafenozide. The material cost was calculated as RM 351.20 per ha per year. The findings of this study would benefit future pest management practice in oil palm plantation established on peatland. Penerbit Universiti Kebangsaan Malaysia 2021 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/17901/1/145-156%2B%2B%2BPatricia%2BKing%2BJie%2BHung.pdf Su, Chong Ming and King, Patricia Jie Hung and Kwan, Yee Min and Zakry Fitri Ab Aziz, and Ong, Kian Huat (2021) Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae). Malaysian Applied Biology, 50 (1). pp. 145-156. ISSN 0126-8643 https://jms.mabjournal.com/index.php/mab/issue/view/2
spellingShingle Su, Chong Ming
King, Patricia Jie Hung
Kwan, Yee Min
Zakry Fitri Ab Aziz,
Ong, Kian Huat
Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae)
title Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae)
title_full Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae)
title_fullStr Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae)
title_full_unstemmed Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae)
title_short Effectiveness of insecticides rotation with different modes of action against oil palm bunch moth Tirathaba mundella (Walker) (Lepidoptera, Pyralidae)
title_sort effectiveness of insecticides rotation with different modes of action against oil palm bunch moth tirathaba mundella (walker) (lepidoptera, pyralidae)
url http://journalarticle.ukm.my/17901/
http://journalarticle.ukm.my/17901/
http://journalarticle.ukm.my/17901/1/145-156%2B%2B%2BPatricia%2BKing%2BJie%2BHung.pdf