Sugarcane and Industrial Crops
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Leaf scald of sugarcane
Thin white pencil lines run along the leaves, the leaves later dry from the tips, and side shoots sprout along the stalk.
Crops it strikes
What you see
Spots or streaksYellowingWiltingLarge dead patches
When to act
Inspect seed cane nurseries every month for white pencil lines and leaf tips drying. Any nursery with infected stools should not supply setts. In fields, remove sick stools early and plow out badly hit ratoons.
Before you spray
Sprays do little once the cane is infected. Plant clean setts of resistant varieties and disinfect cane knives between stools.
How to prevent it
- Plant resistant varieties, and take setts only from clean nurseries.
- Use setts given a long hot water treatment, as for ratoon stunting disease, and planted in a clean nursery.
- Disinfect cane knives between stools, with flame, bleach or alcohol, at cutting and at harvest.
- Rogue sick stools early, and plow out badly infected ratoons.
- Do not move planting material from areas with leaf scald.
Where this comes from
Not sure it is this one?
Many diseases look alike. Send a photo to Anee, the smart farm technician in anee.io. She reads it with your crop, its age and the weather, and tells you what it most likely is and what to do first. In Tagalog or English.