JIA Xiaoli,CHEN Zhongping,WU Yuanyuan,et al.Comparison and Research on Drought Resistance of Five Rose Varieties[J].Northern Horticulture,2020,44(14):71-81.[doi:10.11937/bfyy.20193514]
五种月季品种的抗旱性比较与研究
- Title:
- Comparison and Research on Drought Resistance of Five Rose Varieties
- Keywords:
- introduction; rose varieties; drought resistance; PEG-6000
- 文献标志码:
- A
- 摘要:
- 以5个不同月季品种(“金凤凰”“热腊”“加里娃达”“艳丽”“爱”)的二年生栽培苗为试验材料,采用引种月季盆栽试验,通过PEG-6000模拟干旱法,对5种盆栽月季品种进行7种浓度的PEG-6000处理(0%、5%、10%、15%、20%、25%、30%),进行超氧化物歧化酶、过氧化物酶、过氧化氢酶、丙二醛、电导率、叶绿素指标的分析,以期探索不同引种月季品种对不同干旱处理的响应。结果表明:基于酶活性的指标测定,在相同浓度的PEG-6000处理下,“爱”的过氧化氢酶(CAT)活性最大,可抗PEG-6000 10%~15%浓度的干旱环境,且在CAT水平下,最优的处理组合为“加里娃达”在30%处理时;综合丙二醛(MDA)和电导率值的测定,“热腊”在5%~10%时的抗旱能力较强,且最优的处理组合分别为“艳丽”在30%处理和10%处理时;“热腊”在20%处理时可以极显著地提高叶绿素含量,且在叶绿素水平下,最优的处理组合为“爱”在30%处理时;5个品种的抗旱综合排序为“热腊”>“爱”>“艳丽”>“加里娃达”>“金凤凰”,而且对于这5个品种来说,最优的PEG-6000处理浓度为20%~30%。
- Abstract:
- The biennial seedlings of five different rose varieties(‘Golden Phoenix’‘Hot Wax’‘Galivada’‘Yan Li’‘Love’)were used as experimental materials.Five potted rose varieties were treated with PEG-6000 concentrations to simulate drought at seven levels(0%,5%,10%,15%,20%,25%,30%).The indexes of SOD,POD,CAT,electric conductivity,chlorophyll and MDA were analyzed to explore the response of different introduced rose varieties to different drought resistance treatments.The results showed that based on the measurement of the enzyme activity index,under the same concentration of PEG-6000,‘Love’ catalase (CAT) activity was greater,which could resisted PEG-6000 10%-15% concentration of drought environment,and at the level of CAT,the optimal treatment combination was ‘Galivada’ at 30% treatment.Combined with the determination of malondialdehyde (MDA) and conductivity values,the ‘Hot Wax’had a strong drought resistance capacity at 5%-10%,and optimal treatment combination was ‘Yan Li’ at 30% and 10% treatment.‘Hot Wax’ could significantly increase the chlorophyll content at 20% treatment,and at the chlorophyll level,the optimal treatment combination was ‘Love’ at 30% treatment.According to the comprehensive evaluation result of the membership function,the comprehensive order of drought resistance of five cultivars was ‘Hot Wax’>‘Love’>‘Yan Li’>‘Galivada’>‘Golden Phoenix’,and for these five cultivars,the best optimal PEG-6000 treatment was the concentration ranges from 20%-30%.
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备注/Memo
第一作者简介:贾晓丽(1995-),女,新疆昌吉人,硕士研究生,研究方向为农艺与种业。E-mail:1348702279@qq.com.责任作者:江萍(1978-),女,山西临猗人,博士,副教授,硕士生导师,现主要从事森林培育学等研究工作。E-mail:362287818@qq.com.基金项目:兵团博士后基金资助项目(CZ0027);中国博士后资助项目(2017M623283);石河子大学高层次人才资助项目(RCZX201521);石河子大学大学生研究训练计划资助项目(srpnxy2019001)。收稿日期:2019-11-29