SONG Hui,ZHANG Xiangqin.Inheritance Analysis of Heat Tolerance in Bottle Gourd[J].Northern Horticulture,2017,41(01):5-9.[doi:10.11937/bfyy.201701002]
葫芦耐热性遗传规律分析
- Title:
- Inheritance Analysis of Heat Tolerance in Bottle Gourd
- Keywords:
- bottle gourd; heat tolerance; inheritance law
- 文献标志码:
- A
- 摘要:
- 利用耐热葫芦（L1和L3）与不耐热葫芦（L6和L4）配置2组正反杂交F1和F2代，采集相对发芽率（ΔG）、相对发芽指数（ΔGI）和相对电导率（ΔEC）耐热表型数据，通过SPSS软件均数比较功能分析葫芦耐热性遗传规律。结果表明：2个组合的正反杂交F1代耐热性无差异，均表现为不耐热，表明葫芦耐热性遗传不具有母性遗传特质，为隐性遗传。通过卡方检测分析2个组合正反杂交F2代群体单株耐热性分离比例，表明葫芦耐热性在F2代符合1∶3分离比，为1对单基因控制。
- Abstract:
- The heat tolerant parents (L1 and L3)，susceptible parents (L6 and L4) and their reciprocal crosses F1 and F2 generations were used to analysis of the inheritance of heat tolerance in bottle gourd.The phenetic data of relative germination rate (ΔG)，relative germination index (ΔGI) and relative conductivity of seedling (ΔEC) were collected and analyzed by ‘Compare Means’ function of SPSS software.The results showed that the inheritance of heat tolerance of bottle gourd was controlled by the recessive gene and the maternal hereditary was not detected.The ‘Chi-square test’ of F2 generations results fit to the expected chi-square value of 1∶3，which suggested the heat tolerance of bottle gourd was controlled by one pare single gene.
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备注/Memo
第一作者简介：宋慧（1979-），女，博士，副研究员，现主要从事蔬菜分子辅助育种与生物工程等研究工作。E-mail：975281674@qq.com.基金项目：国家自然科学基金资助项目（31572142）；宁波市创新团队资助项目（2014B81002）。