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Journal of Entomology

Year: 2011 | Volume: 8 | Issue: 2 | Page No.: 101-122
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Authors

Shadia E. Abd El-Aziz

Keywords

Research Article

Control Strategies of Stored Product Pests

Shadia E. Abd El-Aziz
The objective of this study was to review the published research works on control strategies of stored product pests. Also, to shed light on alternative environmentally friendly methods to protect stored products from pests attack for healthy food safe. The most promising technique that has been developed and continues to be refined, is monitoring populations with insect pheromones and/or food attractants for detecting stored-product insects. Visual and secondary olfactory cues may be necessary for increased the catch of insects in traps. Near Infrared Spectroscopy was used for the classification of insect species, detection of internal insect pests of wheat (infested or uninfested wheat kernels) and distinguishing between unparasitized weevil larvae in wheat and those parasitized by wasps. It may be possible to use electronic nose systems to try and distinguish between grain colonized by mycotoxigenic and non-mycotoxigenic species and this area needs further investigation. The main advantage of using inert dusts is that they are non-toxic to humans and animals. Inert dusts in stored grain can provide continuous protection from insect infestations and do not affect the baking quality of wheat. Ozone is safe to the environment when used for fumigation. Active research is going on to exploit ozone as a potential quarantine treatment for controlling stored-product pests. Natural compounds from plant sources may have the advantage over conventional fumigants in terms of low mammalian toxicity (not true in all cases), rapid degradation and local availability. Compounds of plant origin can be used only for small-scale applications or for space treatments. Validation studies will be necessary to fully determine the potential for biological controls as replacements for insecticidal protectants, Good hygiene in the grain store or storage depot is important in maintaining grain and seed quality. Computer-based decision support systems that use biological and environmental data to predict population trends and evaluate the need for insecticidal inputs have been developed for stored-product storage systems in several countries. As more of these expert systems are developed management decisions may shift to computer-based pest management.
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