CHEN Baoyue,CHEN Zijing,WANG Qian.Effect of PEG Priming on Germination and Seedling Growth of Celery[J].Northern Horticulture,2016,40(06):10-13.[doi:10.11937/bfyy.201606003]
聚乙二醇6000引发对芹菜种子萌发及幼苗生长的影响
- Title:
- Effect of PEG Priming on Germination and Seedling Growth of Celery
- Keywords:
- celery; PEG; priming; germination; seedling growth; physiological and biochemical characteristic
- 文献标志码:
- A
- 摘要:
- 以“文图拉”和“日本小香芹”芹菜为试材，采用聚乙二醇6000（PEG）来引发芹菜种子，研究引发后芹菜种子的萌发和幼苗生长的状况，以探究引发对芹菜种子及幼苗生长的影响。结果表明：PEG引发处理可以显著提高芹菜种子的发芽指数和活力指数，使得芹菜种子的发芽更加快速并且更加整齐，提高了种子的活力，显著性降低了芹菜种子浸出液电导率和相对电导率，降低了脱落酸（ABA）的含量，增加了油菜素内酯（BR）和玉米素（ZR）的含量；PEG引发可以促进芹菜幼苗的生长，提高了芹菜幼苗的叶面积、总根体积和地上部鲜重，显著性降低了芹菜幼苗中丙二醛（MDA）的含量，PEG引发显著性降低了“文图拉”芹菜中超氧化物歧化酶（SOD）的活性，显著性降低了“日本小香芹”芹菜中过氧化氢酶（CAT）的活性。
- Abstract:
- With ‘Ventura’ and ‘Japan Xiang Qin’ celery as the materials，used polyethylene glycol 6000 (PEG) to treat the celery seeds，the germination and seedling growth of celery seed were studied and the effects of the seed and seedling growth were explored.The results showed that PEG priming treatment significantly improved celery seed germination index and vital index，the celery seed germinated more quickly and orderly，improved the vigor of seeds，reduced the celery seed leaching liquid conductivity and relatively conductivity significantly，decreased the content of ABA，increased the content of BR and ZR；PEG priming promoted the growth of celery seedlings，improved the celery seedling leaf area，total volume of root and shoot fresh weight，reduced the content of MDA in celery seedlings significantly，PEG priming decreased the activity of SOD in ‘Ventura’ significantly，decreased the activity of CAT significantly in ‘Japan Xiang Qin’.
参考文献/References:
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备注/Memo
第一作者简介：陈宝悦（1988-），女，硕士研究生，研究方向为蔬菜生理与分子生物学。E-mail：chenbaoyue88@163.com.责任作者：王倩（1964-），女，博士，教授，博士生导师，现主要从事蔬菜生理与分子生物学等研究工作。E-mail：wangq@cau.edu.cn.基金项目：公益性行业（农业）科研专项资助项目（201203003）；现代农业产业技术体系北京市叶类蔬菜创新团队专项资金资助项目（blvt-08）。