Abstract
Broccoli is the most nutritious member of Cole group belonging to family Brassicaceae. Its marketable plant part is "head" composed of immature flowers or florets. It is very popular in the developed world because of its highly nutritional and medicinal properties. It is rec ommended for consumption as a measure to decrease the incidence of human cancer. Different types of broccolis are available but green types are more popular. Genetic resistance is also available for many diseases. Self-incompatibility and male sterility are also present in the crop. Commercial heterosis is reported by many workers. The use of self-incompatible and cross-compatible lines and genic and cytoplasmic male sterile lines helps in the seed production of hybrid varieties. Many hybrids have been released for commercial cultivation and hybrid seed production is successfully exploited.