Abstract:‘Akesi No.1’is a tomato F1 hybrid bred by crossing line X20 which is good quality,high resistant to bacterial wilt and virus disease as female parent and 1801 as male parent.It grows vigorously.It is of middle and late maturity.It takes about 108 days from seedling to harvest in spring cultivation and about 99 days in autumn cultivation.Its fruit is of round shape with 0.96 fruit shape index.Its young fruit shoulder is not green.The matured fruit is red in color with better firmness.Its average single fruit weight is 125 g and the fruit thickness is 0.75 cm.It is good for storage and transportation.It is middle resistant to bacterial wilt and virus disease.It can bear fruit under high temperature with good stress resistance and superior quality.It is suitable for exporting,city marketing and transporting to Northern areas.Its yield is about 45 t8226;hm-2.It is suitable to be cultivated in open field in Southern or similar climate region.