The results showed that the residual double strand DNA percentages (dsDNA%) in dune reed (DR) were significantly higher than those in swamp reed (SR) treated with either 20% or 30% PEG 6000.

• 结果表明：无论是20%25还是30%25PEG6000胁迫处理，耐旱性强的沙丘芦苇的DNA损伤都比耐旱性弱的沼泽芦苇较轻。