THE ABILITY OF THE INVASIVE RED PALM WEEVIL, RHYNCHOPHORUS FERRUGINEUS INFESTING OIL PALM IN MALAYSIA

The Planter Pub Date : 2019-09-25 DOI:10.56333/tp.2019.009

A. K. AHMAD BUKHARY, M. Ruslan, M. M. MOHD FAUZI, A. Nicholas, I. BADROL HISHAM, W. A. WAN KHAIRUL ANUAR, H. NOOR HISHAM, A. Idris

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Abstract

The red palm weevil of the species Rhynchophorus ferrugineus (RPWJ) in this study has shown its capacity to infest oil palm both in laboratory and semi-field settings. Both no choice and choice laboratory experiments showed no significant differences (p>0. 05) for the number of individuals and time of RPWf adults to reach both coconut palm and oil palm cabbages. Semi-field studies showed that there was a record of infestation of RPWf larvae in the oil palm host for the no choice experiment, while there was no infestation for the choice experiment. Aromatic Pandan coconut showed significant difference (p<0. 05) in terms of RPWf larval abundances between no choice and choice experiments, where number of RPWf larval individuals were significantly higher in choice experiment. Overall, this study showed the capability of the RPWf to infest oil palm when there were no other suitable palm hosts. Aromatic Pandan and MATAG coconut varieties were proposed to be the most suitable 'trap-crops' in reducing the risks of RPWf infestations on oil palm on plantation scales. Keywords: Rhynchophorus ferrugineus, pest, oil palm, coconut, laboratory, semi-field, infestation, trap-crop

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入侵红棕象甲，rhynchophorus ferrugineus侵染马来西亚油棕的能力

在本研究中，红棕象甲(Rhynchophorus ferrugineus, RPWJ)在实验室和半田间环境中都显示出其侵染油棕的能力。无选择实验与选择实验室实验结果差异无统计学意义(p>0)。0.05)，以确定成虫到达椰子树和油棕卷心菜的个体数量和时间。半田间研究表明，无选择试验油棕寄主中有RPWf幼虫侵染的记录，而选择试验油棕寄主中无侵染记录。芳香香兰椰子的差异显著(p<0)。无选择实验和有选择实验的RPWf幼虫丰度差异(0.05)，选择实验的RPWf幼虫个体数显著高于无选择实验。总的来说，本研究表明，当没有其他合适的棕榈寄主时，RPWf有能力侵染油棕。芳香香兰和MATAG椰子品种被认为是最适合的“诱捕作物”，可以在种植园规模上降低RPWf侵染油棕的风险。关键词:铁缕，害虫，油棕，椰子，实验室，半田，虫害，诱捕作物

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The Planter

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