YE Jianming,GONG Zihui,JIA Xiaoli,et al.Effect of Ultra-dry Treatment on Germination Characteristics of Xanthoceras sorbifolia Seeds[J].Northern Horticulture,2018,42(24):84-90.[doi:10.11937/bfyy.20181310]
超干处理对文冠果种子萌发特性的影响
- Title:
- Effect of Ultra-dry Treatment on Germination Characteristics of Xanthoceras sorbifolia Seeds
- 关键词:
- 文冠果; 超干处理; 萌发特性; 主成分分析（PCA）
- Keywords:
- Xanthoceras sorbifolia; ultra-dry treatment; germination characteristics; principal component analysis（PCA）
- 文献标志码:
- A
- 摘要:
- 以不同含水量的文冠果种子为试材，采用硅胶干燥法方法，研究了超干处理对文冠果种子的发芽率、发芽指数、活力指数等的影响，以期为林业种子贮藏提供科学依据和实践参考。结果表明：文冠果发芽指数与发芽率规律一致，最适合含水量范围3.20%~5.40%；文冠果种子适于超干处理，最佳种子超干含水量为3.20%，有利于保持文冠果种子萌芽特性。主成分分析表明,文冠果种子最优超干处理含水量为3.20%,与维持常规种子贮藏5.00%左右的含水量的能耗相比，是种子贮藏时一种节约能源的新途径。
- Abstract:
- To provide scientific evidence and practical reference for seed storage in forestry,the seeds with different seed moisture contents (SMC) of Xanthoceras sorbifolia were obtained by silicone drying method with target at exploring the ultra-dry treatments on germination rate，germination index and vigor indicators.The results showed that similar rules were observed in both germination index and germination rate.The favorable seed moisture content ranged from 3.20% to 5.40%.The seeds of Xanthoceras sorbifolia were suitable for ultra-dried treatments.The optimal seed moisture content of 3.20% was proved to maintain the germination characteristics of Xanthoceras sorbifolia seeds.Principal component analysis(PCA) was used to reveal that the optimal ultra-dry treatment was seed moisture content of 3.20%.Considering the energy-consuming for SMC 3.20% and normal SMC 5.00%,it also indicated that ultra-dry treatment could be used as a new saving-energy seed storage method.
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备注/Memo
第一作者简介：冶建明（1981-），男，新疆乌鲁木齐人，硕士，讲师，现主要从事园林等教学与科研等工作。E-mail：26043741@qq.com.责任作者：江萍（1978-），女，山西临猗人，博士，副教授，硕士生导师，现主要从事森林培育学等研究工作。E-mail：shzdxjpsmx@163.com.基金项目：兵团博士后基金资助项目（CZ0027）；石河子大学第五批3152青年骨干教师人才培养资助项目（CZ0231）。收稿日期：2018-07-03