Brinjal is said to have originated in India.
the well known varieties are pusa purple long, pusa purple round, surya, swetha haritha
Pest control in Brinjal: Pests on brinjal plants can be controlled by 4% leaf extracts of neem / thevetia / clerodendron with soap water. Fruits can be protected from infestation by fruit borers by spraying 4% leaf extracts of thevetia / neem.
Preparation of plant extract emulsion is as follows. Soak 400 g of leaf powder (leaves dried under shade and powdered) in one litre of water for 24 hours and filter though muslin cloth.
Dissolve 400 g of ordinary bar soap shavings in 9 litres of water. Pour this soap solution to the plant extract and mix thoroughly. This forms 4% emulsion of plant extract.