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| 玉米幼苗热激诱导抗冷性过程中钙的效应 | |
| 引用本文： | 郭丽红,陈善娜,龚明.玉米幼苗热激诱导抗冷性过程中钙的效应[J].云南大学学报(自然科学版),2003,25(5):449-452462. |
| 作者姓名： | 郭丽红 陈善娜 龚明 |
| 作者单位： | 1. 昆明师范高等专科学校,生物系,云南,昆明,650031 2. 云南大学,生命科学学院,云南,昆明,650091 3. 云南师范大学生命科学系,云南,昆明,650092 |
| 基金项目： | 国家自然科学基金资助项目(39860007)，云南省自然科学基金重点项目(98C002Z)，教育部高校优秀青年教师教学科研奖励计划资助项目. |
| 摘 要： | 玉米幼苗在冷胁迫前经过热激处理或CaCl2浸种后再热激处理,其存活率,抗氧化酶GR的活性、可溶性蛋白质中热稳定蛋白质和游离脯氨酸的含量在的冷胁迫中均发生了变化,发现热激处理幼苗的这些参数高于对照,而最高的是CaCl2浸种后再热激处理的,表明热激能提高玉米幼苗的抗冷性,而Ca2+对上述热激处理有加强作用. |
| 关 键 词： | 玉米幼苗 热激 CaCl2 |
| 文章编号： | 0258-7971(2003)05-0449-04 |
The effect of heat shock associated with calcium on the resistance of maize seedlings to chilling |
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| GUO Li-hong,CHEN Shan-na,GONG Ming.The effect of heat shock associated with calcium on the resistance of maize seedlings to chilling[J].Journal of Yunnan University(Natural Sciences),2003,25(5):449-452462. | |
| Authors: | GUO Li-hong CHEN Shan-na GONG Ming |
| Institution: | 1. The Departerment of Biology, Kunming Teachers College, Kunming 650031, China;2. School of Life Sciences, Yunnan University, Kunming 650091, China;3. School of Life Sciences, Yunnan Normal University, Kunming 650092, China |
| Abstract: | The survival rate,GR activity and the content of heat stable protein and proline of maize seedlings were surveyed after the seeds were soaked with CaCl2 solution and/or the seedlings were shocked with heat prior to chilling treatment.It was found these parameters of the heat shocked seedlings were higher than that of contrast,and the highest ones of them were is that of seedlings which were treated by heat shock associated with CaCl2 solution.So it is suggested heat shock pretreatment can raise the resistance of plants to chilling, and Ca2+ can strengthen this function of heat shock. |
| Keywords: | maize seedlings heat shock CaCl_2 |
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