By using high salt and low pH DNA method,the DNA extracted with high purity and low production,which of modified CTAB with the contrary results,high production and low purity.

• 用两种提取方法从叶片中得到的DNA产量和质量有所不同,高盐低pH法提取的DNA纯度高,但是产量较低; 而改良CTAB法则相反,产量高,纯度低。