CHE Daidi,ZHAO Haixia,WU Xiaofeng,et al.Evaluation of Effects of Drought and Salt Stress on Germination of Twenty-five Flower Seeds and Screening of Flower Sea Plants[J].Northern Horticulture,2018,42(21):115-121.[doi:10.11937/bfyy.20180671]
干旱与盐胁迫对二十五种花卉种子萌发影响的评价与花海植物筛选
- Title:
- Evaluation of Effects of Drought and Salt Stress on Germination of Twenty-five Flower Seeds and Screening of Flower Sea Plants
- 文献标志码:
- A
- 摘要:
- 北方常见的25种花海花卉为试材，采用PEG溶液模拟干旱胁迫、NaCl溶液模拟盐胁迫，通过测定种子发芽率、发芽势、发芽指数、活力指数，研究了干旱、盐处理对花卉种子萌发影响，综合评价了花海花卉抗旱性和抗盐性，并筛选出抗逆性强的花海花卉，以期为花海花卉在逆境中应用提供参考依据。结果表明：在逆境胁迫下种子的发芽率、发芽势、发芽指数、活力指数呈下降趋势。综合各指数，隶属函数法筛选出抗旱性强的前5种花卉为凤仙花、美国薄荷、布劳阁林下鼠尾草、大萼鼠尾草、凤尾鸡冠“世纪”。抗盐性好的前5种植物有锦葵、布劳阁林下鼠尾草、凤仙花，虞美人、凤尾鸡冠“世纪”。结合植物的抗旱性和抗盐性，抗逆性花海花卉筛选应用前5种为凤仙花、布劳阁林下鼠尾草、锦葵、大萼鼠尾草、凤尾鸡冠“世纪”。
- Abstract:
- The germination indexes as germination percentage,germination potential,germination index and vigor index of 25 flowers were measured under different concentrations of PEG solution and NaCl to evaluate and screen the seeds resistance under drought and salt stress.The results indicated that all the germination rates,germination potential,germination index and vigor index of the seeds decreased on the trend under two stress.The top 5 flowers with drought resistance were selected,which were Impatiens balsamina,Monarda didyma,Salvia superba,Salvia japonica,Celosia cristata var.pyramidalis ‘Shiji’.The top 5 flowers with salt resistance were selected,that were Malva sinensis,Salvia superba,Impatiens balsamina,Papaver rhoeas,Celosia cristata var.pyramidalis ‘Shiji’.The top 5 flowers with abiotic resistance were identified,which were Impatiens balsamina,Salvia superba,Malva sinensis,Salvia japonica,Celosia cristata var.pyramidalis ‘Shiji’.The conclusions could provide a primary theoretical basis for application of flowers for flower sea.
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备注/Memo
第一作者简介：车代弟（1964-），女，博士，教授，博士生导师，现主要从事园林植物遗传育种及应用等研究工作。E-mail：daidiche@neau.edu.cn.责任作者：樊金萍（1972-），女，博士，教授，研究方向为园林植物遗传育种与生物技术。E-mail：jinpingfan@neau.edu.cn.基金项目：国家重点研发资助项目（2016YFC0500300）；中央财政林业科技推广示范资金资助项目（[2016]HZT-03号）。收稿日期：2018-04-17