FENG Haiping,NIU Jingjuan,XIE Hua,et al.Effect of Temperature on Germination Characteristics of Different Provenance Maca[J].Northern Horticulture,2015,39(24):146-149.[doi:10.11937/bfyy.201524040]
温度处理对不同种源玛咖发芽特性的影响
- Title:
- Effect of Temperature on Germination Characteristics of Different Provenance Maca
- Keywords:
- maca; seeds; temperature; germination
- 文献标志码:
- A
- 摘要:
- 为探讨温度对不同种源玛咖种子萌发的影响,以玛咖种子为试材,采用单因子随机区组设计,研究了不同温度处理对不同种源玛咖种子发芽特性的影响。结果表明:秘鲁种源与云南种源的玛咖种子发芽特性对温度条件变化的反应基本一致,不同温度对玛咖种子发芽率、发芽势、发芽指数及胚根长度的影响均显著。在15~35℃范围内,随温度的上升均呈先增后减趋势,其中25℃时云南种源玛与秘鲁种源咖种子的发芽率、发芽势、发芽指数和胚根长度均达到最大值,分别为89.33%、83.75%,14.88、22.10 mm和87.27%、83.44%,14.53、21.06 mm,且该温度下种子发芽所需时间较短,发芽速度最快,整体发芽效果最好。因此认为25℃是玛咖种子发芽最适温度。
- Abstract:
- Taking maca seed as test material,using single factor randomized block design with set the different temperature treatment,the effect of temperature on germination characteristics of different maca seed provenance were studied.The results showed that the reaction of Peruvian provenance and Yunnan provenance maca seed germination characteristics follawing temperature changes were basically consistent,the effect of temperature on the maca seeds germination rate,germination potential,germination index and the length of radicle were significantly different.In the range of 15-35℃,maca seeds germination rate,germination potential,germination index and the length of radicle were increased at first and then decreased,the Yunnan provenance of provenance and Peruvian maca seed germination rate,germination potential,germination index and radicle length was maximum respectively,were 89.33%,83.75%,14.88,22.10 mm and 87.27%,83.44%,14.53,21.06 mm when it was 25℃,and shorter time needed for seed germination under this temperature,germination speed was the fastest,best overall germination effect.Therefore,25℃ was the optimum temperature for seed germination.
参考文献/References:
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备注/Memo
第一作者简介:冯海萍(1981-),女,宁夏盐池人,硕士,助理研究员,现主要从事设施蔬菜生理与无土栽培等研究工作。E-mail:fenghaiping2005@163.com.责任作者:谢华(1965-),男,宁夏中卫人,本科,研究员,现主要从事蔬菜学等研究工作。E-mail:xiehua0002@163.com.基金项目:宁夏农林科学院科技创新先导资金资助项目(NKYG-14-21)。