Abstract

                                It is a well-known fact that on an average about ten percent of the produce is lost by the cultivators every year due to depredations of crop pests. Intensive research has beon in progress in the Madras State for the past four decades on insecticidal methods of pest control. Based on the results obtained so far, an attempt is made in this paper to give an account of the pesticides that can be adopted in plant protection, their peculiarities and adverse effects, dosages and. concentration, etc., for the benefit of agriculturists and horticulturists.

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