低温弱光对茄子叶片多胺质量分数的影响
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摘要
为明确在低温弱光下茄子叶片腐胺、亚精胺、精胺等内源激素质量分数的变化规律,选取6个不同茄子品系,进行低温弱光处理,前2 d白天15℃,夜间10℃;后10 d白天10℃,夜间7℃,设常温对照(日间8:00～17:00保持25℃,夜间17:00～8:00保持18℃)。结果表明,在常温下各材料内源激素的叶片多胺质量分数差异不显著,腐胺质量分数在57.197～63.194 ng·g~(-1)之间,亚精胺质量分数在3.656～4.459 ng·g~(-1)之间,精胺质量分数在11.752～12.480 ng·g~(-1)之间。经低温处理后差异显著,腐胺、亚精胺质量分数上升,精胺质量分数下降。相关性分析发现,茄子幼苗耐低温性与处理后的腐胺、亚精胺、精胺质量分数均呈显著正相关,可以用上述指标鉴定茄子耐低温弱光性。
In order to investigate change law of characters such as the chilling tolerance, Put mass fraction, Spd mass fraction, Spm mass fraction under low temperature stress, 6 eggplant strains were carried out under low-temperature and weak light treatments,15/10 ℃ in day/night for 2 days,10/7 ℃ in day/night for 10 days. The results indicated that there was no obvious difference for all endogenous hormones at normal temperature, the Put mass fraction was between 57.197 and 63.194 ng·g~(-1), and the Spd mass fraction was between 3.656 and 4.459 ng·g~(-1). Spm mass fraction was between 11.752 and 12.480 ng·g~(-1). However, there was obvious difference for all characters at low temperature. Put mass fraction and Spd mass fraction increased, while Spm mass fraction decreased. Correlation analysis showed that chilling tolerance was obvious positive partial correlation with polyamine mass fraction, the above indicators can be used to identify the low temperature and weak light resistance of eggplant.
In order to investigate change law of characters such as the chilling tolerance, Put mass fraction, Spd mass fraction, Spm mass fraction under low temperature stress, 6 eggplant strains were carried out under low-temperature and weak light treatments,15/10 ℃ in day/night for 2 days,10/7 ℃ in day/night for 10 days. The results indicated that there was no obvious difference for all endogenous hormones at normal temperature, the Put mass fraction was between 57.197 and 63.194 ng·g~(-1), and the Spd mass fraction was between 3.656 and 4.459 ng·g~(-1). Spm mass fraction was between 11.752 and 12.480 ng·g~(-1). However, there was obvious difference for all characters at low temperature. Put mass fraction and Spd mass fraction increased, while Spm mass fraction decreased. Correlation analysis showed that chilling tolerance was obvious positive partial correlation with polyamine mass fraction, the above indicators can be used to identify the low temperature and weak light resistance of eggplant.
引文
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[3] 阎世江,张继宁,刘洁.低温下茄子成株期几个农艺性状的遗传分析[J].植物遗传资源学报,2012,13(5):884-889.
[4] 阎世江,张继宁,刘洁.低温对茄子根吸收面积和可溶性糖质量浓度的影响.仲恺农业工程学院学报,2014,27(1):10-13.
[5] 张继宁,王华田,王静,等.茄子新品种晋紫长茄的选育[J].中国蔬菜,2006(10):30-31.
[6] 汪沛洪.植物多胺代谢的酶类与胁迫反应[J].植物生理学通讯,1990(1):1-7.
[7] 马俊莲,张子德,陈志周,等.热处理对菜豆冷害及生理生化的影响[J].河北农业大学学报,2000,23(1):57-59.
[8] 黄剑华,陆瑞菊,王亦菲,等.低温预处理对大麦花药内源游离氨基酸和多胺水平的影响[J].中国农业科学,2001,34(6):626-631.
[9] 沈惠娟,谢寅峰.多胺(PAs)与植物的几种胁迫反应[J].南京林业大学学报,1997,21(4):26-30.
[10] 罗正荣.植物激素与抗寒力的关系[J].植物生理学通讯,1989(3):1-5.
[11] 高青海,徐坤,吴燕,等.茄子砧木品种对低温胁迫的反应[J].中国蔬菜,2005(9):12-15.
[12] 查丁石,陈建林,丁海东.茄子耐低温弱光鉴定方法初探[J].上海农业学报,2005,21(2):100-103.
[13] 张宪政,陈凤玉,王荣富,等.植物生理学[M].沈阳:辽宁科学技术出版社,1994.
[14] 罗丽兰,石雷,张金政.低温对解除百合鳞茎休眠和促进开花的作用[J].园艺学报,2007,34(2):517-524.
[15] 李宗霆,周燮.植物激素及其免疫检测技术[M].南京:江苏科学技术出版社,1996.
[16] 周玉丽,舒英杰.低温弱光对茄子幼苗膜脂过氧化和细胞膜保护酶系的影响[J].安徽技术师范学院学报,2004,18(3):9-12.
[17] 何钟佩.作物激素生理及化学调控[M].北京:中国农业大学出版社,1997.