Control of Stored Grain Pest

Control of stored grain pest: 

Control of stored grain pest

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Effective Control Of Stored-grain Pests With Minimal Pesticide Use Requires An Ipm Approach Combining Sanitation Monitoring And Other Preventive Practices.

SANITATION: 

SANITATION Sanitation involves cleaning bins, elevators, and other conveyers before new grain is put in storage—the goal being to eliminate insect eggs, pupae, and dormant adults that will eat and grow in the stored grain

MONITORING: 

MONITORING Traps are excellent for monitoring pest levels. Many traps contain pheromone (sex scent) lures *** Proper identification of pests is essential for effective control.

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NON-TOXIC CONTROL

DE(diatomaceous earth): 

DE( diatomaceous earth) Among the non-toxic treatments that can be used on stored grain is diatomaceous earth (DE), a silica product composed of the fossilized cell walls of ancient sea algae. This material is mined, ground into a flour, and used as an insecticide against a variety of pests. The sharp edges of DE cut the pest’s cuticle covering, resulting in death by dehydration

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Three more methods for controlling stored-product pests are : Cooling Heating

COOLING: 

COOLING Because many of the pests originated in the tropics, they are susceptible to cold temperatures. Most require temperatures above 60° F to reach damaging population levels Some need temperatures above 70° F. Therefore, storing grain in a cool place will slow pest development. Very cold temperatures can be used to kill pests; storage at 0° F for 4 days will destroy some species Cooling stored grain through aeration

HEATING: 

HEATING Heating is also effective; exposure for 30 minutes at 130° F will kill many species

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TOXIC CONTROL

FUMIGATION: 

FUMIGATION Carbon dioxide can be used to fumigate over a period of two to five days; it kills the insects by dehydration by causing their breathing apparatus to stay open. Fumitoxin Phostoxin Gastoxin Do not fumigate below 5°C (40°F). Exposure to moist air or liquids releases flamable and toxic phosphine gas

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Thank You Junaid Zafar 6 th Semester