ZHANG Xian-guo,ZHAO Hai-xin.Studies on Identification Methods for Alkaline Tolerance at GerminationPeriod in Rice Varieties of Heilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(11):28-36.
黑龙江省水稻品种芽期耐碱鉴定研究
- Title:
- Studies on Identification Methods for Alkaline Tolerance at GerminationPeriod in Rice Varieties of Heilongjiang Province
- 文章编号:
- 1002-2767（2012）11-0028-09
- Keywords:
- rice; alkali-stress; identification
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 为明确我国寒地稻区种质资源芽期耐碱情况,以123份水稻品种为参试材料，采用质量比为1∶3,质量浓度为0.20%的Na2CO3+NaHCO3的混合碱液，对水稻进行了芽期耐碱鉴定研究。结果表明：种子受到碱胁迫之后，籽粒向胚芽转化的干物质越多，耐碱胁迫的能力越强，并且耐碱较强的品种具有发达的胚根系。胚根和胚芽有相互促进生长的作用。垦稻19、绥粳5号、系选1号、龙粳11、龙稻6号、长白9号和普选18这7份材料芽期的耐碱总级别最高；龙稻5号、龙粳8号、绥粳12、垦稻16、合江21、彩、牡丹江21、垦稻9号、合江16和合江6号这10份材料对碱胁迫芽期最敏感。
- Abstract:
- In order to make sure alkaline tolerance situation of rice germplasm at germination period in cold region,123 rice varieties of Heilongjiang province were used as materials,concentgn of 0.2% Na2CO3+NaHCO3 mass ratio 1∶3 was used as medicament,the alkaline tolerance at germination period in rice was studied.The results showed that the more of grain transformed dry matter to germ,the stronger of alkaline tolerance under alkali-stress,and alkali-resistant varieties had well-developed root system.Radicle and germ had promoting growth function to each other.7 materials had the highest level of alkaline tolerance at germination period,such as Kendao 19,Suijing No.5,Xixuan No.1,Longjing 11,Longdao No.6,Changbai No.9 and Puxuan 18,and 10 materials were the most sensitive to alkaline tolerance at germination period,such as Longdao No.5,Longjing No.8,Suijing 12,Kendao 16,Hejiang 21,Cai,Mudanjiang 21,Kendao No.9,Hejiang 16,Hejiang No.6.
参考文献/References:
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备注/Memo
基金项目：“十一五”国家科技支撑计划资助项目（2007BAD65B01-4）;黑龙江省科技厅资助项目(GB06B104-1-5);黑龙江省科技攻关计划资助项目(GA09B102-3)