Study on the Difference of the Alkaline Tolerance of Northeast Japonica Rice at Germination Stage.Study on the Difference of the Alkaline Tolerance of Northeast Japonica Rice at Germination Stage[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(08):6-11.
东北粳稻芽期耐盐碱性差异研究
- Title:
- Study on the Difference of the Alkaline Tolerance of Northeast Japonica Rice at Germination Stage
- 文章编号:
- 1002-2767(2012)08-0006-06
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 为选育耐盐碱水稻品种,以东北三省耐盐碱性不同的40份粳稻为试验材料,在3个盐碱胁迫处理(25、50、75 mmol·L-1NaHCO3)下进行芽期耐盐碱性筛选试验。结果表明:在同一盐碱胁迫处理下,不同水稻品种间表现耐盐碱程度不同;在不同盐碱胁迫处理下,随着盐碱处理浓度的增加,不同水稻品种的发芽率、芽长、根数、根长、干重呈下降趋势。通过试验筛选出长白10号、通88-7、农大3号、富源4号和通育318共5个耐盐碱性较强的水稻品种(系)。
- Abstract:
- germination stage which the concentration of NaHCO3 were 25、50、75 mmol·L-1.The results indicated that under the same saline-alkaline treatment,the ability ofsaline-alkaline tolerance was different among different rice cultivars;under the different saline-alkaline treatments,with the increasing of concentration of NaHCO3,the germination percentage,bud length,root number,root length and dry weight of different rice varieties showed downward trend.Through the screening test,five stronger saline-alkaline resistant rice varieties (lines) were selected,which were Changbai No.10,Tong88-7,Nongda No.3,Fuyuan No.4 and Tong 318.
参考文献/References:
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备注/Memo
基金项目:“十二五”农村领域国家科技计划资助项目(2011BAD35B02-01);国家科技支撑计划资助项目(2011BAD16B111)