PANG Dingming,LIANG Danni,WEI Xiaoyan,et al.Physiological Responses of Fourteen Loliumperenne Specieses of Seeding Stage to Drough Stress[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(12):105-110.[doi:10.11942/j.issn10022767.2016.12.0105]
14个多年生黑麦草品种幼苗期对干旱胁迫的生理影响
- Title:
- Physiological Responses of Fourteen Loliumperenne Specieses of Seeding Stage to Drough Stress
- 文章编号:
- 10022767(2016)12010505
- 分类号:
- S543+.6
- 文献标志码:
- A
- 摘要:
- 为筛选抗旱能力强的多年生黑麦草品种,研究了14个多年生黑麦草(Lolium multiflorum L.)品种叶绿素(Chl)、超氧化物歧化酶(SOD)、丙二醛(MDA)和脯氨酸(Pro)生理生化指标对不同梯度干旱胁迫的影响,并运用隶属函数进行了耐旱性综合评价。结果表明:在干旱胁迫下各品种间叶绿素(Chl)含量和超氧化物歧化酶(SOD)活性呈先上升后下降的趋势,丙二醛(MDA)和脯氨酸(Pro)的含量均呈上升趋势,经耐旱性综合评价(隶属函数)耐旱强弱性顺序依次为:雷神4>守门员>启萌>金顺>凯蒂沙>匹克威>爱神特>天马>金牌美达利>球道>德北极品>龙卷风>博士>新速2号。
- Abstract:
- In order to screen the Lolium multiflorum L.,varieties with drought resistance ability, the effects of chlorophyll (Chl), superoxide dismutase (SOD), malondialdehyde (MDA) and proline (Pro) physiological biochemical indexes on drought stress of 14 Lolium multiflorum L.were studied. The comprehensive evaluation of drought tolerance was carried out by using the membership function, which provided scientific basis for the establishment of turf in arid area. The results showed that the chlorophyll (Chl) content and superoxide dismutase (SOD) activity increased first and then decreased, and the content of malondialdehyde (MDA) and proline (Pro) increased during the drought stress.The order of drought tolerance was: Raytheon 4>Goalkeeper>Qimeng>Quanshun>Caddysand>Pickwick>Accent>Tianma>Jinpaimeidali>Fairway>Debeijipin>Tornado>Doctor>Newspeed2.
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备注/Memo
收稿日期:20161129