温度对大叶补血草种子萌发特性的影响  

Effect of Temperature on Seed Germination Characteristics of Limonium gmelinii

作　　者：宫江平 荆卫民[2] 刘国军[2,3] 刘炳寿 张倩 GONG Jiangping;JIN G Weimin;LIU Guojun;LIU Bingshou;ZHANG Qian(Karamay Ruili Kangyuan Garden Engineering Co.Ltd.,Karam ay,Xinjiang 834000;Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences,Urumqi,Xinjiang 830011;National Station of Observation Research for Desert-grassland Ecosystem,Cele,Xinjiang 848300;Karamay City Architectural Planning and Design(Institute)Co.Ltd.,Karam ay,Xinjiang 834000)

机构地区：[1]克拉玛依瑞利康源园林工程有限责任公司,新疆克拉玛依834000 [2]中国科学院新疆生态与地理研究所,新疆乌鲁木齐830011 [3]新疆策勒荒漠草地生态系统国家野外科学观测研究站,新疆策勒848300 [4]克拉玛依市建筑规划设计(院)有限公司,新疆克拉玛依834000

出　　处：《北方园艺》2020年第2期119-124,共6页Northern Horticulture

基　　金：克拉玛依市科技惠民计划资助项目(2017HM002B);国家重点研发计划政府间国际科技创新合作重点专项资助项目(2017YFE0109200)。

摘　　要：以大叶补血草种子为试材,对不同温度(5、10、15、20、25、30℃)条件下的萌发特性(萌发率、发芽势、萌发时滞、萌发时间和萌发历期)进行研究,探讨了大叶补血草萌发对策及其生态适应性,并为生产种植提供参考依据。结果表明:大叶补血草的种子10℃开始萌发,萌发率比较低。25℃条件下萌发率达到最高,在该温度下,种子的萌发率、发芽势和发芽指数均达最大,萌发时滞最短。因此,较高温度适合大叶补血草种子萌发,25℃是大叶补血草最适合的人工播种温度。同时,大叶补血草采用了谨慎萌发策略来适应恶劣的环境。In order to explore seed germination characteristics,ecological significance and provide theoretical basis for the production and planting of Limonium gmelinii.The germination rate,germination potential and germination indexes,mean germination time,germination beginning days and germination periods in 6 different temperature conditions(5,10,15,20,25 and 30 ℃)were determined.The results indicated that at the temperature of 10-30 ℃ the seed germination rate increased first and then decreased with the rise of temperature,The minimum temperature was 10 ℃.The optimal temperature of seed germination was 25 ℃,at which the seed the germination rate,germination potential and germination indexes were higher.Mean germination time,germination beginning days and germination periods were the shortest.So high temperature was significantly inhibited the germination of Limonium gmelinii.The ’caution’ germination strategy was adopted to the harsh environment.

关 键 词：大叶补血草 温度 种子萌发 

分 类 号：S567.239[农业科学—中草药栽培]