Sixteen cross combinations were made from four types (Virginia, Dragon,Valencia and Spanish) of Peanut cultivars as females and four double-diploid hybrids of wildPeanut species as males. The results showed that the ratios of flower to pod and ped to pogof the sixteen cross combinations vary in a wide range, it indicated that there were quite different cross compatibilities in the combinations. The best cross compatibility was obtainedfrom the combinations which F2 (Arachis cardenasii ×Arachis batizocoi ) a...