Introduction: Pakistan has a highly diversified topography and climate. The diversity of climate allows the cultivation of a wide range of temperate, tropical and subtropical crops of vegetables in the country. Therefore, the vegetable sector has the greatest potential of growth in the country. Vegetables are the integral part of the cropping pattern of the country. But out of 20 millions ha cropped area, vegetables occupy only 2 %. The vegetables production is almost static on farm level due to the use of inferior quality seed coupled with other natural hazards like pests and diseases. Pakistan is a high potential area for vegetable culture because of varied agro-climatic conditions. Besides normal season, off-season production is also in vogue at higher altitudes in the mountains and frost-free areas and frosty areas in winter season under low-plastic tunnels in the plains. Most of the seed requirements are met through imports from Japan, USA, European countries, China, T...