取样部位、时间对植物高温半致死温度的影响
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摘要
为了分析取样部位、时间对木本植物高温半致死温度的影响,选取桂树、松树、柏树、冬青4种常绿植物的叶片、1年生枝条、2年生枝条作为试验材料,分别于2017年8月、10月、12月以及2018年2月运用电导率法和Logistic方程对其进行高温半致死温度的测定及分析,并根据高温半致死温度高低进行耐热性强弱排列。试验结果表明,4种常绿植物的耐热性强弱顺序依次为松树>柏树>冬青>桂树;对于同一植物的不同取样部位来说,其耐热性强弱顺序依次为2年生枝条>1年生枝条>叶片;对于同一植物的相同取样部位来说,取样时间对其耐热性的强弱影响不大。
The leaves,annual branches and biennial branches of four evergreen plants inclouding laurel,pine,cypress and holly were selected as experimental materials in order to analyze the influence of sampling site and sampling time on the semilethal high temperature of woody plants.The experiments were conducted in August,October,December 2017 and February 2018 respectively. The heat resistance was ranked according to the semilethal high temperatures which was determined and analyzed by conductivity method and Logistic equation. The experimental results showed that the order of heat resistance of four evergreen plants were pine>cypress>holly>laurel.According to different sampling sites of the same plant,the order of heat resistance was biennial branches>annual branches>leaves. According to the same sampling site of the same plant,the sampling time had little effect on the heat resistance.
The leaves,annual branches and biennial branches of four evergreen plants inclouding laurel,pine,cypress and holly were selected as experimental materials in order to analyze the influence of sampling site and sampling time on the semilethal high temperature of woody plants.The experiments were conducted in August,October,December 2017 and February 2018 respectively. The heat resistance was ranked according to the semilethal high temperatures which was determined and analyzed by conductivity method and Logistic equation. The experimental results showed that the order of heat resistance of four evergreen plants were pine>cypress>holly>laurel.According to different sampling sites of the same plant,the order of heat resistance was biennial branches>annual branches>leaves. According to the same sampling site of the same plant,the sampling time had little effect on the heat resistance.
引文
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[15]李谦盛,邓敏,沈娟,等.濒危树种越南青冈的半致死温度研究[J].西部林业科学,2014,43(5):8-12.
[16]张月雅,刘明磊,颜小梅,等.4种蕨类植物耐热性测定[J].吉林农业大学学报,2015,37(3):313-316.
[17]何丽斯,李畅,陈尚平,等.电导率结合Logistic方程测定14个杜鹃品种的耐热性[J].江苏农业科学,2017,45(21):132-134.
[18]彭昌操.Logistic方程在柑桔原生质体耐热性测定中的应用[J].湖北民族学院学报:自然科学版,2000,18(1):19-21.
[2]吴楠.浙江红山茶不同种源幼苗耐热性与抗寒性研究[D].临安:浙江农林大学,2011.
[3]万仲武,王文举,李占文.用电导法配合Logistic方程确定灵武长枣的抗寒性[J].宁夏林业,2012,53(11):89-90.
[4]Martineau J R.,Specht J E.Temperature tolerance in soybeans[J].Crop Science,1979(19):75-81
[5]Sukumaran N P.,Weiser C J.Method of determining cold hardiness by electrical conductivity in potato[J].Hort Science,1972(7):467-468
[6]RAJASHEKAR C,GUSTA L.V,BURKE M.J.Membrane structural transition:probable relation to frost damage in hardyherbaceous species[M]// LYSONS J M,GRAHAM D,RAISON J K.Low temperature stress in crop plants the role of membrane.New York:Academic Press,1979:255-274.
[7]夏莹莹,叶航,马锦林,等.4个油茶品种的半致死温度与耐热性研究[J].中国农学通报,2012,28(4):58-61.
[8]高桂娟,韩瑞宏,李志丹.2种紫花苜蓿高温半致死温度与耐热性研究[J].热带农业工程,2009,33(3):25-27.
[9]张文娟,李连国,田东方,等.应用Logistic方程测定景天植物的耐热性[J].内蒙古农业大学学报:自然科学版,2013,34(3):46-48.
[10]刘建,项东云,陈健波,等.应用Logistic方程确定三种桉树的低温半致死温度[J].广西林业科学,2009,38(2):75-78.
[11]马进,汤庚国,郑钢,等.5种屋顶绿化景天属植物的耐热性的测定[J].西南林学院学报,2010,30(6):52-54.
[12]汤聪,郭微,刘念.几种广州地区屋顶绿化植物耐热性的测定[J].北方园艺,2013(11):62-65.
[13]赵亚洲,卓丽环,张琰.2种红枫的高温半致死温度与耐热性[J].上海农业学报,2006,22(2):52-53.
[14]郭亚男,李仕裕,木楠,等.4种珍稀濒危植物的半致死温度研究[J].林业与环境科学,2016,32(6):20-24.
[15]李谦盛,邓敏,沈娟,等.濒危树种越南青冈的半致死温度研究[J].西部林业科学,2014,43(5):8-12.
[16]张月雅,刘明磊,颜小梅,等.4种蕨类植物耐热性测定[J].吉林农业大学学报,2015,37(3):313-316.
[17]何丽斯,李畅,陈尚平,等.电导率结合Logistic方程测定14个杜鹃品种的耐热性[J].江苏农业科学,2017,45(21):132-134.
[18]彭昌操.Logistic方程在柑桔原生质体耐热性测定中的应用[J].湖北民族学院学报:自然科学版,2000,18(1):19-21.