Symptoms of damage
- Triangular pale or yellow patches close to perianth
- Necrotic tissues
- Brown colour patches, longitudinal fissures and splits on the husk
- Oozing of the gummy exudation from the affected surface
- Reduced size and copra content
- Malformed nuts with cracks and hardened husk
Identification of the pest
- Nymph and Adult: Pale in colour with elongate body and worm like appearance
Management
- Apply urea 1.3 kg, super phosphate 2.0 and muriate of potash 3.5 kg/palm/year
- Neem cake @5 kg and organic manure 50 kg/palm/year
- Borax 50 g + gypsum 1.0 kg + Manganese sulphate 0.5 kg/palm/year
- Grow intercrop (sun hemp, four crops/year) and shelter belt with casuarina all round the coconut garden to check further entry
- Triazophos 40 EC 5 ml/lit or carbosulfan 25 EC 2 ml/lit in alternation with neem azal 1% 5ml/lit as spot application
- Root feeding with TNAU - Agro Biocide 30 ml/tree
- TNAU - Agro biocide - 30 ml/tree - (60 days after Carbosulfan root feeding).
- Triazophos 40 EC @15 ml or carbosulfan 25EC @ 15 ml / 15 ml of water
- After root feeding, next harvest should be done 45 days later
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Eriophyid mite damage in young developing buttons |
Eriophyid mite affected coconut |
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Root feeding used by coconut tonic |
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