The boll weight bolstered higher within 10 DAA for hybrid Kemian No. 3, and before 20DAA for conventional cultivar kemian No. 4.

• 高品质棉杂交种科棉3号在开花后10天内铃重增加快于常规品质棉,常规种科棉4号则表现在开花后20天前快于常规品质棉。