The study of detection of 35S? NOS? Bt in 5 transgenic and 3 non-transgenic cotton seeds was carried out with DNA extraction by means of modified CTAB method and modified kit method respectively.

• 对5种转基因棉籽和3种非转基因棉籽,应用改良CTAB法和改良KIT法提取DNA模板,对35S、NOS、Bt等基因进行了检测研究,并确定了在检测Bt基因时的灵敏度。