不同浓度的aba对马铃薯试管苗结薯的影响-本科学位论文

不同浓度的 ABA 对马铃薯试管苗结薯的影响学院：农学院专业:植物科学与技术学号：100213071姓名：董艳慧指导老师：乌兰巴特尔论文提交时间：二 0 一四年六月摘要马铃薯是我国重要的粮食及经济作物，在农业生产和人民生活中占有非常重要的地位，病毒病是马铃薯获得高产稳定的一个重大障碍，茎尖脱毒被认为是克服这一障碍的有效途径。本试验系统的讨论了激素 ABA 浓度对马铃薯试管苗发育及薯诱导的影响，主要结论如下:1.暗培条件下 1umol/LABA 最利于试管薯的形成，光暗间断条件条件下 5umol/L ABA最利于试管薯的形成。。2.随着 ABA 浓度的升高试管苗的地上部和匍匐茎的生长逐渐减弱。3.当 ABA 浓度低于 1umol/L 时，随着 ABA 浓度的升高块茎的生长速度逐渐增加，大于1umol/L 时随着 ABA 浓度的升高块茎的生长速度逐渐减慢。关键词：马铃薯，微型薯，ABA 浓度Potato tissue culture and in vitro induction of potatoPotatoes are the important food and cash crops in our country, in the agricultural production and people's life occupies a very important position, virus disease is a major obstacle to potato yield stability, seedling stem tip is considered to be an effective way to overcome this obstacle.This experimental system to study the hormone ABA concentration of tube seedlings growth and potato potato induction, the influence of the main conclusions are as follows:1. Under the condition of dark 1 umol/LABA most conducive to the formation of the test tube potato, light dark gap condition under the condition of 5 umol/L ABA most conducive to the formation of the test tube potato..2. With the increase of ABA concentration in the test tube seedlings of aboveground growth weakened and stolons.3. When the ABA concentration is lower than 1 umol/L, with the increase of ABA concentration of tuber growth rate gradually increased, greater than 1 umol/L with the increase of ABA concentration of tuber growth speed slow down gradually.Key words:potato...