Golden apple snail (Pomacea canaliculata Lamarck) in Sabah, Malaysia-current situation and management strategy
2002
Su Sin Teo (Agriculture Research Centre, P.O. Box 3, 89207 Tuaran, Sabah (Malaysia))
The paper reports the control operation of the golden apple snail in Sabah implemented by the Department of Agriculture following the outbreak of the pest in the 1990s. The snail was sighted in Keningau in 1992. Two years later it mushroomed to most of the rice-growing districts with a total infected area of about 5,000 ha. The control operation employed an integrated approach consisting of cultural, biological and chemical components. A research program was initiated at the same time to develop new control techniques. Often, extension's agents and research personnel's organized dialogue and briefing sessions to dessiminate information and to motivate farmers to participate in the control operation. A task force was set up to supervise and to monitor the progress of the control operation. The pest was brought under control within two years. There were no significant crop losses so far. The most common control measures adopted by the farmers were tea seed powder applications, handpicking, water depth management and the use of older seedlings in transplanting. Biological control consisted of duck herding recommended at a density of 5-10 ducks/ha. The duck reduced the pest population to a tolerable level after grazing for a period of 1 to 2 months. It was foreseen that the pest is going to spread to all the rice-growing areas in Sabah in the future by man activities. So at present it is essential to educate the farmers on the management of the golden apple snail in rice so that should an outbreak occurs, farmers are able to contain the pest themselves
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