ZHANG Huijing,PANG Shengqun,JI Xuehua,et al.Evaluation of Stress Resistance of Different Dried Pepper Varieties at Seed Germination Stage[J].Northern Horticulture,2019,43(22):1-7.[doi:10.11937/bfyy.20191040]
不同制干辣椒品种种子萌发期抗逆性评价
- Title:
- Evaluation of Stress Resistance of Different Dried Pepper Varieties at Seed Germination Stage
- Keywords:
- dried pepper; seed germination; cold resistance; salt resistance
- 文献标志码:
- A
- 摘要:
- 以22份制干辣椒品种种子为试材,分别以18 ℃低温和150 mmol?L-1的NaCl溶液为胁迫条件,研究种子发芽势、发芽率、发芽指数及各指标相对值的隶属函数值,以期对参试品种种子萌发期的耐冷性和耐盐性进行评价。结果表明:不同辣椒品种在胁迫条件下发芽势、发芽率、发芽指数的差异性显著,能够利用这些指标鉴别出品种间的耐冷性及耐盐性,并用隶属函数对22份制干辣椒品种进行综合评价,再进行聚类分析,筛选出了“砻丰源9号”“陕早红”“砻丰源红冠”3份耐冷性及耐盐性均较好的制干辣椒品种。
- Abstract:
- The 22 parts of dried pepper varieties were used as test materials,and the 150 mmol?L-1 NaCl solution with low temperature of 18 ℃ was used as the stress condition.The seed germination potential,germination rate,germination index and the relative function values of each index were used.The cold tolerance and salt tolerance of the tested varieties during the germination period were evaluated.The results showed that the germination potential,germination rate and germination index of different pepper varieties were significantly different under stress conditions.These indicators could be used to identify cold tolerance and salt tolerance between varieties,and 22 parts of dried pepper varieties were synthesized by membership function.After evaluation,cluster analysis was carried out to select three varieties of dried peppers with good cold tolerance and salt tolerance,such as ‘Yufengyuan No9’‘Shaanzaohonghong’‘Zhenfengyuan Red Crown’.
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备注/Memo
第一作者简介:张慧静(1994-),女,硕士研究生,研究方向为蔬菜遗传育种。E-mail:1095881359@qq.com.责任作者:庞胜群(1970-),女,博士,副教授,硕士生导师,现主要从事蔬菜遗传育种等研究工作。E-mail:pangshqok@shzu.edu.cn.基金项目:国家自然科学基金资助项目(31860548);石河子大学新品种培育专项资助项目(KX0301)。收稿日期:2019-05-06