WANG Bin,LI Chang-ding,LAN Jian,et al.Study on Drought Resistance at Germination Stage of 12 Varieties of Poa pratensis L.under PEG-6000 Stress[J].Northern Horticulture,2012,36(24):54-58.
聚乙二醇-6000胁迫下十二个草地早熟禾品种萌发期抗旱性比较研究
- Title:
- Study on Drought Resistance at Germination Stage of 12 Varieties of Poa pratensis L.under PEG-6000 Stress
- 文章编号:
- 1001-0009(2012)24-0054-05
- 分类号:
- S 68
- 文献标志码:
- A
- 摘要:
- 采用5种不同水势（0、-0.3、-0.6、-0.9、-1.2 MPa）的PEG-6000溶液对12个品种草地早熟禾种子在萌发期进行人工模拟干旱胁迫，测定了相对发芽率、胚根胚芽比、萌发指数和耐旱指数等指标，开展了不同品种草地早熟禾种子萌发期抗旱性比较研究。结果表明：草地早熟禾种子萌发的适宜水势为≥-0.46 MPa，而其萌发期抗旱临界水势可能在-0.6 MPa左右。利用聚类分析得出在12个供试品种中，“阿波罗”、“自由2”和“超级伊克利”的抗旱性较强；“大跃进”、“辉煌”和“午夜2号”的抗旱性次之；“使命”、“美洲王”和“浪潮”的抗旱性一般；“兰月”、“奖品”和“阔雅”的抗旱性较弱。
- Abstract:
- 12 varieties of Poa pratensis L.were treated with PEG-6000 solution at concentrations of 0(CK)、-0.3、-0.6、-0.9 and -1.2 MPa in order to assess the effects of drought on relative germination rate，ratio of radicle and embryo，germination index as well as drought-tolerance index at germination stage.The results showed that the suitable water potential of Poa pratensis germination was more than or equal to -0.46 MPa and the critical water potential of drought tolerance of Poa pratensis probably around -0.6 MPa at germination stage.At last，the method of comprehensive clustering analysis was used to evaluate the different tolerance of the experimented varieties and the result was ‘Apollo’，‘Freedom Ⅱ’ and ‘Super icelly’ had better drought resistance，‘Big bound’，‘Resplendence’ and ‘Midnight Ⅱ’ had good drought resistance，‘Mission’，‘America king’ and ‘Impact’ were middle，‘Bluemoon’，‘Award’ and ‘Broad elegant’ had worse drought resistance.
参考文献/References:
[1] 孙吉雄 . 草坪学 [M]. 北京 : 中国农业出版社 ,1995. [2]李进芳.三种早熟禾牧草苗期抗旱抗寒性及种子萌发特性研究[D].西宁:青海大学,2007. [3]滕祥金,孙玉刚,吴妹菊,等.不同草地早熟禾品种抗寒性研究[J].北方园艺,2011(8):90-92. [4]王建丽,申忠宝,钟鹏,等.NaCl胁迫对15个草地早熟禾品种萌发的影响[J].草原与草坪,2009(4):57-60. [5]任继周.草业科学研究方法[M].北京:中国农业出版社,1998. [6]Michel B E，Kaufmann M R.The osmotic potential of polyethylene glycol 6000[J].Plant Physiology,1973,51:914-916. [7]张立军,樊金娟,阮燕晔,等.聚乙二醇在植物渗透胁迫生理研究中的应用[J].植物生理学通讯,2004,40(3):361-364. [8]喻方圆,刘远.聚乙二醇渗透处理对马尾松种子活力的影响[J].南京林业大学学报,2000,24(1):38-40. [9]杜建雄,侯向阳,刘金荣.草地早熟禾对干旱及旱后复水的生理响应研究[J].草业学报,2010,19(2):31-38. [10]王红春,娄远来,李宜慰.早熟禾萌发特性研究[J].江苏农业科学,2009(4):138-140. [11]Fu J.Involvement of antioxidants and lipid peroxidation in the adaptation of two cool-season grasses to localized drought stress[J].Environment,2001,45(2):105-114. [12]梅景,张辉,孙鑫,等.海水胁迫对草地早熟禾种子萌发的影响[J].北方园艺,2012(15):83-86. [13]赵莉,余学杰.3种植物生长调节剂对疏花早熟禾种子萌发的影响[J].种子,2010,29(12):66-68. [14]宝布仁其其格,包桂荣.六种草地早熟禾品种的抗寒性比较[J].内蒙古民族大学学报,2010,16(5):73-75. [15]李进芳,颜红波,周青平.3种早熟禾苗期的短期抗旱性研究[J].草业科学,2007,24(5):37-40.
相似文献/References:
[1]李寿田,钱剑林,韩建国,等.修剪条件下水分胁迫和磷处理对草地早熟禾草坪质量的影响[J].北方园艺,2013,37(18):56.
LI Shou-tian,QIAN Jian-lin,HAN Jian-guo,et al.Effects of Water Stress and Phosphorus Treatment on Turf Quality of Poa pratensis L.Under Mowing Conditions[J].Northern Horticulture,2013,37(24):56.
[2]孙西岭,孙峰,周春玲,等.三种粉尘条件下草地早熟禾的滞尘效益及光合作用影响[J].北方园艺,2012,36(15):74.
SUN Xi-ling,SUN Feng,ZHOU Chun-ling,et al.Dust-detaining Capability and the Effect of Photosynthesis of Poa pratensis to Three Dusts[J].Northern Horticulture,2012,36(24):74.
[3]宋敏丽,温祥珍,李亚灵,等.六个番茄品种的耐热性鉴定[J].北方园艺,2012,36(21):5.
SONG Min-li,WEN Xiang-zhen,LI Ya-ling,et al.Heat Tolerance Identification of Six Tomato Varieties[J].Northern Horticulture,2012,36(24):5.
[4]李楠,李海梅,刘洪庆.不同混播草坪草的蒸腾耗水特性研究[J].北方园艺,2012,36(10):67.
LI Nan,LI Hai-mei,LIU Hong-qing.Study on Water Consumption Characteristics of Different Mixed Seeding Turfgrass[J].Northern Horticulture,2012,36(24):67.
[5]张爽,李景富,姜景彬,等.高压静电场对黄瓜种子萌发期生化指标的影响[J].北方园艺,2013,37(16):5.
ZHANGShuang,LIJing-fu,JIANGJing-bin,et al.EffectofHighVoltageElectrostaticField(HVEF)on theBiochemicalIndexesofCucumberSeedDuringGerminationPeriod[J].Northern Horticulture,2013,37(24):5.
[6]刘将,周春玲,宋慧慧.草地早熟禾对叶面尘与土壤重金属的吸收作用[J].北方园艺,2014,38(15):81.
LIU Jiang,ZHOU Chun-ling,SONG Hui-hui.Effect of Poa pretensis on Absorption of Heavy Metals in Foliar Dust and Soil[J].Northern Horticulture,2014,38(24):81.
[7]刘 丹,胡宝忠,徐永清,等.盐胁迫对有机番茄萌发及苗期生理特性的影响[J].北方园艺,2015,39(11):23.[doi:10.11937/bfyy.201511006]
LIU Dan,HU Bao-zhong,XU Yong-qing,et al.Effect of Salt Stress on Physiological Characteristics of Organic Tomato of Germination and Seedling[J].Northern Horticulture,2015,39(24):23.[doi:10.11937/bfyy.201511006]
[8]尹娟,李宁.重金属胁迫对草地早熟禾萌发、生长及光合特性的影响[J].北方园艺,2016,40(18):61.[doi:10.11937/bfyy.201618017]
YIN Juan,LI Ning.Effect of Heavy Metal Stress on Germination，Growth and Photosynthetic Characteristics of Poa pratensis L.[J].Northern Horticulture,2016,40(24):61.[doi:10.11937/bfyy.201618017]
[9]姜 鹏 君,孙 彦.物理降温对草地早熟禾耐热性影响的研究[J].北方园艺,2009,33(03):0.[doi:10.11937/bfyy.200903071]
JIANG Peng-jun,SUN Yan.Studies on Effects of Physical Cooling on Heat-tolerance of Kentucky Blue Grass[J].Northern Horticulture,2009,33(24):0.[doi:10.11937/bfyy.200903071]
[10]李 国 良,郭 军,杜 广 明,等.大庆盐碱地区氮肥对草地早熟禾坪用性状影响的研究[J].北方园艺,2009,33(06):0.[doi:10.11937/bfyy.200906071]
LI Guo - liang,GUO Jun,DU Guang - ming,et al.Studies on Nitrogen Application Strategies on T urf Characters of Poa pratensis L. in Salt Lick and Alkaline Soil in Daqing County[J].Northern Horticulture,2009,33(24):0.[doi:10.11937/bfyy.200906071]
备注/Memo
第一作者简介：王彬（1977-），男，陕西汉中人，硕士，讲师，现主要从事植物生理生态方面的教学和研究工作。E-mail:wb_y2004@nxu.edu.cn.