- Uses fumigants like aluminum phosphide on stacked pulses covered with airtight sheets.
- Protection Duration: 3 to 6 months.
2. Container/Bag Fumigation:
- Fumigation inside sealed bags or containers.
- Protection Duration: 2 to 4 months.
3. Structural Fumigation:
- Treating entire storage rooms or warehouses.
- Protection Duration: 4 to 6 months, depending on sealing and environment.
4. Phosphine Gas Fumigation:
- Common fumigant gas used for all types of storage.
- Protection Duration: 3 to 6 months.
5. Cold Fumigation:
- Uses low temperatures along with fumigants to control pests.
- Protection Duration: Up to 6 months, varies with storage temperature.
6. Heat Treatment Fumigation:
- Uses controlled heat to eliminate pests before fumigation.
- Protection Duration: 3 to 5 months.
7. Residual Fumigation:
- Uses fumigants that leave a protective residue to prevent reinfestation.
- Protection Duration: Up to 6 months or more.
8. Controlled Atmosphere Fumigation:
- Alters oxygen and carbon dioxide levels in storage to suffocate pests.
- Protection Duration: 4 to 8 months, depending on control precision.
9. Spot Fumigation:
- Targets specific infested areas in storage stacks or bags.
- Protection Duration: Short-term (1-2 months), often used as a quick fix.
10. Modified Atmosphere Packaging (MAP):
- Combines fumigation with packaging that controls internal gas composition.
- Protection Duration: 6 to 12 months, excellent for retail packaging.
11. Natural Fumigation:
- Uses plant-based fumigants like neem or essential oils.
- Protection Duration: 1-3 months, eco-friendly but less potent.
12. Microbial Fumigation:
- Employs beneficial microbes to suppress pest growth.
- Protection Duration: Varies, typically shorter-term and still experimental.
Note: Duration depends on factors like storage conditions, fumigant dosage, and airtightness. Regular monitoring is advised.
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