As an Asiatic A-genome diploid species, Shixiya I (2n=26) has good genetic stability, resistance to wilt, barrenness tolerance, drought resistance.

• 石系亚1号是二倍体亚洲棉,基因组A_2,遗传性状稳定,抗枯萎病,耐瘠薄,耐旱抗寒,不易脱铃烂铃,相当于亚洲棉的标准系。