| 谭卫军1,2，李其勇2，沈雪峰2，陈勇2.盐胁迫对杂草稻和水稻种子萌发特性的影响[J].广东农业科学,2014,41(3):5-8 |
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盐胁迫对杂草稻和水稻种子萌发特性的影响 |
| Study on seed germination of weedy rice andcultivated rice under salinity stress |
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| DOI： |
| 中文关键词: 杂草稻 水稻 盐胁迫 种子萌发 |
| 英文关键词: weedy rice rice salinity stress seed germination |
| 基金项目:国家公益性行业（农业）科研专项（201303031）国家科技支撑计划项目（12zgc007）；四川省科技 |
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| 摘要点击次数: 1620 |
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| 中文摘要: |
| 为了研究盐胁迫下杂草稻和栽培稻种子萌发特性的差异，分别选择了泰州、丹东和肇庆地区的3 个杂
草稻生物型及1 个杂交水稻和1 个常规水稻品种，采用室内培养，进行了盐胁迫对杂草稻和栽培稻种子萌发特性的
影响研究。结果表明，随着盐浓度增加，杂草稻和栽培稻种子的发芽率、发芽势、芽长、主胚根长和鲜重均显著降低；
可溶性糖含量随着盐浓度增加而降低，表现为特优航1 号跃泰州杂草稻跃丹东杂草稻跃肇庆杂草稻跃华航31 号；丙二
醛含量随着盐浓度增加而升高，表现为华航31 号跃肇庆杂草稻跃丹东杂草稻跃泰州杂草稻跃特优航1 号；脯氨酸含量
随着盐浓度增加而降低，表现为特优航1 号跃泰州杂草稻跃丹东杂草稻跃肇庆杂草稻跃华航31 号。 |
| 英文摘要: |
| Three weedy rices (Oryza sativa L. from Taizhou city, Dandong city and Zhaoqing city), 1 hybrid rice
(Teyouhang 1) and 1 conventional rice (Huahang 31) were selected to investigate the differences in germination
characteristics in greenhouse under salinity stress. The results showed that the seed germination rate, germination potential,
seedling length, radicle length and fresh weight of weedy rice and cultivated rice were significantly decreased by salt
concentration increasing. The content of soluble sugar of weedy rice and cultivated rice decreased with increasing of salt
concentration, Showing Teyouhang 1>Taizhou weedy rice> Dandong weedy rice> Zhaoqing weedy rice> Huahang 31. The
content of malondialdehyde (MDA) of weedy rice and cultivated rice increased with salt concentration increasing, Shawing
Huahang 31>Taizhou weedy rice> Dandong weedy rice> Zhaoqing weedy rice> Teyouhang 1. |
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