which chemical is most suitable to control storage insets on a small scale...???
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The chemical compounds, including both fumigants and contact insecticides, which are approved by FAD/WHO for use on food grains to control storage insects, are regularly reviewed. Their safety in use, for pest control operators and food-grain users, is carefully considered before approval is given and that approval may be withdrawn if new circumstances indicate the need for the exclusion of a particular compound. In general, the contact insecticides that are approved for use are compounds of relatively low mammalian toxicity, which are considered to be non-hazardous when applied at prescribed dilution rates for the purposes indicated.
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