DU Zhi-qiang,ZHANG Yu-xian,TIAN Zhong-yan,et al.Alkali Resistance Screening of Japonica?Rice Varieties During Budding Stage in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(02):6-9,10.[doi:10.11942/j.issn1002-2767.2017.02.0006]
寒地粳稻品种芽期耐碱性筛选
- Title:
- Alkali Resistance Screening of Japonica?Rice Varieties During Budding Stage in Cold Region
- 文章编号:
- 1002-2767-(2017)02-0006-04
- Keywords:
- rice; alkali stress; budding stage; screening
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 为筛选出适合黑龙江省栽培的芽期耐碱品种,试验以46份寒地粳稻品种作为研究对象,采用1∶3质量比的Na2CO3+NaHCO3混合碱液,在水稻芽期对供试水稻品种进行耐碱筛选。对芽长、根长、芽率、根重、芽重5项指标进行相对碱害率计算,并进行聚类分析。结果表明:11个水稻品种芽期耐碱性强,其中龙稻17、龙稻22两个品种芽期耐碱性较强;五优稻1号芽期耐碱性最弱。
- Abstract:
- In order to screen out rice varieties with alkali resistant,which are adapted for cultivation in Heilongjiang province.Taking 46 japonica?rice varieties as test marterials,the screening test was carried out with mixed liquid of Na2CO3+NaHCO3of 1∶3 mass ratio during budding stage.The relative alkali damage rate was calculated by bud length,root length,budding ratio,root weight and bud weight,the cluster analysis was carried.The results showed that Longdao17 and Longdao22 were more resistant to alkali stress during budding stage and Wuyoudao1 with the worst resistance among 11 rice varieties with better alkali resistant.
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备注/Memo
收稿日期:2017-01-16