Manipulating predators for biological control with special reference to the tropics

Khoo K.C., . (1992) Manipulating predators for biological control with special reference to the tropics. [Proceedings Paper]

Predators have not figured significantly in biological attempts compared to parasitoids. Various difficulties are associated with the use of predatory organisms probably the most important of which is that they are generally polyphagous. Predators do play an important role in natural biological control systems although the same polyphagous habit gives them a generalist and master-of-none image. This is true if predators are considered individually but as a group they are a major factor in keeping pest populations at innocuous levels. Predators should be an important component in any integrated pest management programmes. While the use of exotic predators rates very poorly in biological control options the manipulation of predators that are already present in a country is likely to meet with less resistance. Two case studies are presented of attempts to manipulate predators for biological control of agricultural pests. The first concerns the use of the barn owl Tyto alba for control of rats in oil palm and the second the employment of black cocoa ant Dolichoderus thoracicus for control of mirids in cocoa

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Abstract

Predators have not figured significantly in biological attempts compared to parasitoids. Various difficulties are associated with the use of predatory organisms probably the most important of which is that they are generally polyphagous. Predators do play an important role in natural biological control systems although the same polyphagous habit gives them a generalist and master-of-none image. This is true if predators are considered individually but as a group they are a major factor in keeping pest populations at innocuous levels. Predators should be an important component in any integrated pest management programmes. While the use of exotic predators rates very poorly in biological control options the manipulation of predators that are already present in a country is likely to meet with less resistance. Two case studies are presented of attempts to manipulate predators for biological control of agricultural pests. The first concerns the use of the barn owl Tyto alba for control of rats in oil palm and the second the employment of black cocoa ant Dolichoderus thoracicus for control of mirids in cocoa

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Item Type:	Proceedings Paper
Additional Information:	1 table; 47 ref.; Summary En
AGROVOC Term:	DEPREDADORES
AGROVOC Term:	CONTROL BIOLOGICO
AGROVOC Term:	ORGANISMOS PARA CONTROL BIOLOGICO
AGROVOC Term:	ZONA TROPICAL/ DOLICHOPODIDAE
AGROVOC Term:	FORMICIDAE
AGROVOC Term:	LECHUZA
Geographical Term:	MALAYSIA
Depositing User:	Ms. Norfaezah Khomsan
Last Modified:	24 Apr 2025 05:26
URI:	http://webagris.upm.edu.my/id/eprint/14709

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