Insectpest Sugarcane 12
Root grub: Holotrichia consanguinea: H. serrata, Leucopholis lepidophora
| Root grub: Holotrichia consanguinea: H. serrata, Leucopholis lepidophora | |
| Symptoms of damage: Yellowing and wilting of leaves Drying of crown Affected canes come off easily Identification of the pest: i) Holotrichia consanguinea , H. serrate: Egg: White, almost round Larva: Young grubs are translucent, whitish yellow in colour, fleshy ‘C’ – shaped Adults: Dark brown beetle ii) Leucopholis lepidophora: Larvae: Creamy white with swollen dark last abdominal segment Adults : Reddish brown beetle with dark tinge | |
| Management: Crop rotation Deep ploughing during summer Avoid ratoons in infested fields Provide adequate irrigation since under inadequate soil moisture conditions the pest appears in the rootzone |
Symptoms of damage:
- Yellowing and wilting of leaves
- Drying of crown
- Affected canes come off easily
Identification of the pest:
i) Holotrichia consanguinea , H. serrate:
- Egg: White, almost round
- Larva: Young grubs are translucent, whitish yellow in colour, fleshy ‘C’ – shaped
- Adults: Dark brown beetle
ii) Leucopholis lepidophora:
- Larvae: Creamy white with swollen dark last abdominal segment
- Adults : Reddish brown beetle with dark tinge
Management:
- Crop rotation
- Deep ploughing during summer
- Avoid ratoons in infested fields
- Provide adequate irrigation since under inadequate soil moisture conditions the pest appears in the rootzone