Cheng687 x 7327 had highest plant yield SCA and 156 x 18-599 had lowest one.

• 单株产量TCA最高的杂交组合是18-599×7327，单株产量TCA最低的杂交组合是掖478×5003； 单株产量SCA、TCA较高的组合中自交系18-599和7327组配的杂交组合较多。