PEST OF PALMS.

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Presentation transcript:

PEST OF PALMS

WHAT ARE PESTS? any organisms that judge by humans as threats to them or to their interests you should know: species name order and family stage that cause damage symptoms the control methods

Oryctes rhinocerus Coleoptera:Scaeabaeidae common name: rhiocerus beetle/kumbang badak@tanduk@tahi major pest of oil palm and coconut damage caused by adults eggs laid in rotting organic materials adults conceal during day time,evening fly to palms

bores into crown of palms feed on sap of soft tissue of developing shoots (pucuk) symptoms: leaves emerge as typical fan-like-shaped (bentuk kipas) control: practise good sanitation (kebersihan),so no breeding sites cover crops manually removed the adults 3% granular carbofuran

Rhynchophorus schach kumbang belalai/kumbang gajah Curculionidae damage caused by larvae lay eggs in the shoots already damaged by kumbang badak control: good sanitation, no rhino. beetle, no red-stripe weevil

Metisa plana Moth: Psychidae ulat bungkus/bagworm damage: larvae female wingless young larvae built their own ‘bag’ larva tebuk daun atau kikis bahagian epidermis

control: spray with trichlorphon trunk injection

Darna trima Moth: Limacodidae nettle catterpillar damage: larvae daun habis dimakan tinggal lidi control: guna virus parasitoid: Apanteles sp. spray cypermethrin