Pakistan is an agricultural country still spending millions of dollars on the import of edible oil, which is a major drain on the foreign exchange reserves of the country. The indigenous oil production of the country could not match the growing demand of population. The domestic edible production only meet about 25% of the requirement and has grown @ 2.6% annually over last 20 years, while consumption has increased at 9%. Among different oilseed crops rapeseed and mustards contribute 21% towards national oil production but the quality of oil is low due to presence undesirable fatty acids i.e., erucic acid and glucosinolates. This book primarily focuses on the genotypic evaluation of advanced lines of Rapeseed. Twelve genotypes Hyola-308, Bullet, PB-4, ZII-98, Altex, Oscar, Dunkeld, Siren, PC-89, Altex x Shirallee, Altex x Candle and Altex x PC-89 were studied. This comprehensive and profusely illustrated book will be highly valuable for undergraduate and postgraduate students of Agriculture and researchers involved in the plant breeding & genetics. Therefore, this book should be available in each library.