内蒙古11种野生宿根花卉种子催芽初步研究
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- 英文论文题名：Preliminary Studies on Pregermination of 11 Wild Perennial Flowers in Inner Mongolia
- 论文作者：张艳 ; 袁涛 ; 蒋亚蓉
- 英文论文作者：ZHANG Yan ; YUAN Tao ; JIANG Ya-rong ; Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding ; National Engineering Research Center for Floriculture ; Beijing Laboratory of Urban and Rural Ecological Environment and College of Landscape Architecture ; Beijing Forestry University
- 年：2016
- 作者机构：花卉种质创新与分子育种北京市重点实验室国家花卉工程技术研究中心城乡生态环境北京实验室园林学院北京林业大学;
- 论文关键词：野生宿根花卉 ; 种子萌发 ; 浸种 ; 赤霉素处理 ; 去除外种皮 ; 最适温度
- 英文论文关键词：Wild perennials ; Seed germination ; Presoaking ; Gibberellin treatment ; Removal of testa ; Optimum temperature
- 会议召开时间：2016-07-19
- 会议录名称：中国观赏园艺研究进展2016
- 语种：中文
- 分类号：S682.1
- 学会代码：EGYP
- 会议名称：2016年中国观赏园艺学术研讨会
- 会议地点：中国湖南长沙
- 主办单位：中国园艺学会观赏园艺专业委员会、国家花卉工程技术研究中心
- 学会名称：中国园艺学会
- 页数：7
- 文件大小：1069k
- 原文格式：O
- 会议级别：全国
摘要
为探究野生宿根花卉的催芽技术,利用浸种、赤霉素(GA_3)、剥除外种皮、不同温度催芽等方法处理11种野生宿根花卉种子,测定种子平均发芽时间、发芽率、发芽势等。结果表明:(1)温水浸种会抑制二裂委陵菜发芽,500~1000mg/L GA_3有利于其发芽;500mg/L GA_3可提高野火球的发芽率;50℃以上温水浸种及125mg/L、500mg/L GA_3可提高瓣蕊唐松草的发芽率;40~80℃温水浸种及250~1000mg/L GA_3可促进叉分蓼萌发;40~60℃温水浸种及125~1000mg/L GA_3可促进全缘橐吾萌发;70℃的温水浸种及500mg/L GA_3可提高溪荪的发芽率;(2)去除外种皮能有效促进瓣蕊唐松草、山岩黄耆、牻牛儿苗种子萌发。(3)全缘橐吾的最适发芽温度为10℃,发芽率最高可达86%;叉分蓼、野豌豆、牻牛儿苗的最适萌发温度为15℃,发芽率最高分别可达78%、26%、52%;野火球、二裂委陵菜、瓣蕊唐松草的最适发芽温度为20℃,平均发芽率分别为22%、68%、68%;溪荪在变温(15℃/25℃)条件下发芽率及发芽势最高,发芽率为52%,发芽势为24%;最适宜萌发的恒温分别为20℃。
In order to research the seed germination characteristics of wild perennial flowers,presoaking with water at different temperatures,gibberelic acid(GA_3),removal of testa and treatment with different temperature were used to increase their germination rates.Best seed germination occurred as follows;(1) treating seeds with GA3 at 500 ~1000mg/L can promote germination of Potentilla bifurca and presoaking has inhibition for it;the more effective germination treatment proved to be treatment with 500mg/L GA_3 for Trifolium lupinaster,warm water above 50℃ and 125mg/L、500mg/L GA_3 for Thalictrum petaloideum,water at temperature 40 ~ 80℃ for Polygonum divaricatum,40- 60℃ for Ligularia mongolica,70℃ for Iris sanguinea and concentration of GA_3 250- 1000mg/L for Polygonum divaricatum,125 ~ 1000mg/L for Ligularia mongolica,500mg/L for Iris sanguineal.(2) It was determined that the removal of the testa can effectively promote seed germination of Thalictrum petaloideum,Hedysamm alpinum,Erodium stephanianum.(3) The highest germination rate of Ligularia mongolica was observed at10℃,Polygonum divaricatum,Vicia sepium,Erodium stephanianum at 15℃,Trifolium lupinaster,Potentilla bifurca,Thalictrum petaloideum at 20℃,Iris sanguinea at 15℃/25℃.Their germination rates were 86%,78%,26%,52%,22%,68%,68%,52%,45.71%respectively.And the most suitable germination constant temperature of Iris sanguinea is 20℃.
In order to research the seed germination characteristics of wild perennial flowers,presoaking with water at different temperatures,gibberelic acid(GA_3),removal of testa and treatment with different temperature were used to increase their germination rates.Best seed germination occurred as follows;(1) treating seeds with GA3 at 500 ~1000mg/L can promote germination of Potentilla bifurca and presoaking has inhibition for it;the more effective germination treatment proved to be treatment with 500mg/L GA_3 for Trifolium lupinaster,warm water above 50℃ and 125mg/L、500mg/L GA_3 for Thalictrum petaloideum,water at temperature 40 ~ 80℃ for Polygonum divaricatum,40- 60℃ for Ligularia mongolica,70℃ for Iris sanguinea and concentration of GA_3 250- 1000mg/L for Polygonum divaricatum,125 ~ 1000mg/L for Ligularia mongolica,500mg/L for Iris sanguineal.(2) It was determined that the removal of the testa can effectively promote seed germination of Thalictrum petaloideum,Hedysamm alpinum,Erodium stephanianum.(3) The highest germination rate of Ligularia mongolica was observed at10℃,Polygonum divaricatum,Vicia sepium,Erodium stephanianum at 15℃,Trifolium lupinaster,Potentilla bifurca,Thalictrum petaloideum at 20℃,Iris sanguinea at 15℃/25℃.Their germination rates were 86%,78%,26%,52%,22%,68%,68%,52%,45.71%respectively.And the most suitable germination constant temperature of Iris sanguinea is 20℃.
引文
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8.Hitchmough-JD,Gough-J,Corr-B.Germination and dormancy in a wild collectes genotype of Trollius eruopaeus[J].Seed Science and Technology,2002,28(3),549-558.
2.刁晓华,高亦珂.四种鸢尾属植物种子休眠和萌发研究[J].种子,2006,25(4):41-44.
3.杨艳清.长白山野生花卉溪荪种子繁殖技术[J].中国种业,2006,7:53-54.
4.关正君,滕红梅,霍艳林,等.不同处理对三种野生观赏花卉种子萌发的影响[J].农业与技术,2008,28(1):56-59.
5.于长宝,崔凯峰,邰志娟,等.长白旱麦瓶草的引种繁育技术研究[J].吉林林业科技,2008,37(1):8-10.
6.徐本美,龙雅宜.种子最适萌发温度的探讨[J].植物生理学通讯,1987,(2):34-37.
7.宋松泉,程红焱,姜孝成,等.种子生物学[M].北京:科学出版社,2008:224,239.
8.Hitchmough-JD,Gough-J,Corr-B.Germination and dormancy in a wild collectes genotype of Trollius eruopaeus[J].Seed Science and Technology,2002,28(3),549-558.