NIU Tong-xu,ZHENG Gui-ping,LYU Yan-dong,et al.Screening and Evaluation of Drought Resistance of Rice Germplasm Resources in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(01):1-10.[doi:10.11942/j.issn1002-2767.2018.01.0001]
寒地水稻种质资源芽期抗旱性筛选与评价
- Title:
- Screening and Evaluation of Drought Resistance of Rice Germplasm Resources in Cold Region
- 文章编号:
- 1002-2767(2018)01-0001-10
- 分类号:
- S511.032
- 文献标志码:
- A
- 摘要:
- 为筛选芽期抗旱性强的种质资源,以20%聚乙二醇6000溶液模拟干旱,对不同水稻品种(系)芽期的各项指标进行了测定。结果表明:相对芽鞘长、相对芽长、相对芽干重可以作为芽期抗旱性筛选鉴定指标,筛选出DPB112﹑DPB71﹑龙粳4号﹑DPB120﹑松粳16﹑DPB15﹑DPB70共7个抗旱性较强的品种(系),其中抗旱性最强的是DPB112。
- Abstract:
- In order to screen the rice germplasm resources with strong drought resistance at germination stage,the 20% polyethylene glycol-6000 solution was used to simulate the drought,and the indexes of different rice varieties (lines) were determined.The results showed that the relative coleoptile length,relative shoot length,relative shoot dry weight could be used as screening for drought resistance identification indexes,7 kinds of strong drought resistance varieties (lines) DPB112,DPB71,Longjing 4,DPB120,Songjing 16,DPB15 and DPB70 were screened out,among them,DPB 112 had the strongest drought resistance.
参考文献/References:
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备注/Memo
收稿日期:2017-11-23基金项目:国家科技部资助项目(2013BAD07B01-04);国家公益性行业(农业)科研专项资助项目(201303007);黑龙江省教育厅科学技术研究资助项目(12531451);黑龙江省自然科学基金面上资助项目(C2017046);黑龙江省农垦总局科技局资助项目(HNK125BZD-07-21)第一作者简介:牛同旭(1995-),男,黑龙江庆安县人,在读硕士,从事水稻栽培研究。E-mail:1147603226@qq.com。通讯作者:郑桂萍(1960-),女,黑龙江省密山市人,博士,教授,从事水稻栽培生理研究。E-mail:byndzgp@163.com。