Rice Post Harvest Factsheets

Angoumois Grain Moth (Sitotroga cerealella )

They can be found flying around infested stores and infest crop before harvest.

Harvesting of Rice

Harvesting activities include reaping (cutting mature panicles and straw), stacking, threshing, cleaning and hauling. These can be done individually, or simultaneously using a combine harvester. 

Larger Grain Borer (LGB) – (Prostephanus truncatus- Scania)

Adults bore into rice husks, producing large quantities of grain dust as they tunnel.

Pre-and Postharvest Management of Mycotoxins in Rice

Mycotoxins are poisonous substances produced by some molds, which grow on foods such as cereals, oil crops, fruits under moist and humid conditions.

Pre-harvest Rice Management

Time from planting to harvesting varies from 4 to 6 months. Rice is ready for harvesting when:
- Grains are hard when chewed, turning yellow / brown.
- About 80% of the grains have changed colour from green to straw colour. The rest of the grains being in the hard dough stage.

Red Flour Beetles (Tribolium castaneum) 

Adults bore into  rice husks, producing large quantities of grain dust as they tunnel

Rice Milling

De-hulling is removing of husks to get brown rice, Milling is the process of removing bran and polishing is the process of getting white grains.

Rice Postharvest Handling

The postharvest system consists of a set of operations from harvest to consumption

Rice Storage

Safe storage of rice for longer period is possible if three conditions are met:
- Grain is maintained at moisture content of ≤14%.

Rice Value Addition

Value addition enhances profitability of rice production.

Rice weevil (Sitophilus oryzae)

Rice weevil is easily confused with maize weevil.