Many oilseed crops are grown in Pakistan (Table 1) as a source of vegetable oil. These crops are grouped in two categories viz. conventional and non-conventional oilseed crops. Rapeseed-mustard, groundnut and sesame are conventional crops and are being grown in the country for a long period. Sunflower, soybean and safflower are non-conventional crops and leave been introduced recently in the country. There are also some oilseed crops, which are mainly used for industrial purposes, such as linseed and castor. Presently, local production of oilseeds meets only about 32% percent of the total country's requirements for edible oil.