Abstract:‘Yichuanling No. 4’is a new F1 hybrid developed by crossing Q1 as female parent and G19 as male parent through artificial hybridization and multi-point verification method.It is of early maturity and delicate food type.The plant possesses many sprawls,and exhibits moderate growth potential.The first female flower locates at the 8-10 th node of the main stem.The single plant can bear 2-3 melons.The tender melon is of round shape and is light green in color.Its single fruit weight is 0.4-0.5 kg with 8.1 cm in length and 9.0 cm in diameter.The fruit texture is fresh and tender with good quality.It can yield about 11.25 t·hm-2 at the earlier stage,and the total yield is 24.0 t·hm-2.It is suitable for large scale cultivation in Hunan,Hubei,Sichuan Provinces an d Chongqing Municipality.