Citation
Ho C .T ., . Experiences in the control of behaviourally resistant rats in oil palm. pp. 245-257. ISSN 0126-575X
Abstract
Four to five year-old oil palm in an estate near Bagan Datoh Perak were severely damaged by Rattus argentiventer with even unopened male and female inflorescences being totally destroyed resulting in severe crop loss. Lethal feeding period tests showed second generation anticoagulant baits like 0.005 per cent flocoumafen 0.003 per cent brodifacoum and 0.005 per cent bromadiolone to be effective against the rats 86-100 per cent mortality being achieved by one or two days' feed. However field application of up to four baits per palm showed very poor acceptance demonstrating behavioral resistance of the rats. Efforts to increase acceptance of baits by incorporating 4 allylanisole was unsuccesful. In a trial that evaluated 11 bait formulations wax bound cereal based bait with crude palm oil and dried anchovy heads incorporated was seen to be attractive to the rats in the field. Commercial baits formulated to this specification were however unattractive. Baits formulated on the estate and immediately applied was highly attractive with 68-97 per cent uptake resulting in 77-100 per cent control of damage. Customisation of formulation and freshness of bait would seem to be important towards control of behaviorally resistant rats in oil palm.
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Abstract
Four to five year-old oil palm in an estate near Bagan Datoh Perak were severely damaged by Rattus argentiventer with even unopened male and female inflorescences being totally destroyed resulting in severe crop loss. Lethal feeding period tests showed second generation anticoagulant baits like 0.005 per cent flocoumafen 0.003 per cent brodifacoum and 0.005 per cent bromadiolone to be effective against the rats 86-100 per cent mortality being achieved by one or two days' feed. However field application of up to four baits per palm showed very poor acceptance demonstrating behavioral resistance of the rats. Efforts to increase acceptance of baits by incorporating 4 allylanisole was unsuccesful. In a trial that evaluated 11 bait formulations wax bound cereal based bait with crude palm oil and dried anchovy heads incorporated was seen to be attractive to the rats in the field. Commercial baits formulated to this specification were however unattractive. Baits formulated on the estate and immediately applied was highly attractive with 68-97 per cent uptake resulting in 77-100 per cent control of damage. Customisation of formulation and freshness of bait would seem to be important towards control of behaviorally resistant rats in oil palm.
Additional Metadata
| Item Type: | Article |
|---|---|
| Additional Information: | Summary (En) |
| AGROVOC Term: | ELAEIS GUINEENSIS |
| AGROVOC Term: | OIL PALMS |
| AGROVOC Term: | PESTS OF PLANTS |
| AGROVOC Term: | RATS |
| AGROVOC Term: | PEST CONTROL |
| AGROVOC Term: | ANTICOAGULANTS |
| AGROVOC Term: | FORMULATIONS |
| AGROVOC Term: | ATTRACTANTS |
| AGROVOC Term: | TRAPPING |
| AGROVOC Term: | BEHAVIOUR |
| Depositing User: | Ms. Norfaezah Khomsan |
| Last Modified: | 24 Apr 2025 05:52 |
| URI: | http://webagris.upm.edu.my/id/eprint/17798 |
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