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 development...

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Main Authors: Su, Chong Ming, King, Patricia Jie Hung, Kwan, Yee Min, Ab Aziz, Zakry Fitri, Ong, Kian Huat
Format: Article
Language:English
Published: Malaysian Society of Applied Biology 2021
Online Access:http://psasir.upm.edu.my/id/eprint/96841/1/ABSTRACT.pdf
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author Su, Chong Ming
King, Patricia Jie Hung
Kwan, Yee Min
Ab Aziz, Zakry Fitri
Ong, Kian Huat
author_facet Su, Chong Ming
King, Patricia Jie Hung
Kwan, Yee Min
Ab Aziz, Zakry Fitri
Ong, Kian Huat
author_sort Su, Chong Ming
collection UPM
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 upm.eprints-968412022-12-01T03:29:58Z http://psasir.upm.edu.my/id/eprint/96841/ 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 Ab Aziz, Zakry Fitri 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. Malaysian Society of Applied Biology 2021 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/96841/1/ABSTRACT.pdf Su, Chong Ming and King, Patricia Jie Hung and Kwan, Yee Min and Ab Aziz, Zakry Fitri 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). 145 - 156. ISSN 0126-8643; ESSN: 2462-151X https://jms.mabjournal.com/index.php/mab/article/view/1503 10.55230/mabjournal.v50i1.1503
spellingShingle Su, Chong Ming
King, Patricia Jie Hung
Kwan, Yee Min
Ab Aziz, Zakry Fitri
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://psasir.upm.edu.my/id/eprint/96841/1/ABSTRACT.pdf
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