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《浅析植物离体快繁中常见的问题》

花匠小妙招
2025-07-28 00:40

PAGE 精品目录绪论………………………………………………………………………………………………………………………….1 1. 离体快繁过程中的问题、原因及防治措施……………………………………………………………………….1 1.1 污染问题…………………………………………………………………………………………………………….2 1.1.1 污染的来源……………………………………………………………………………………………….2 2.1.2 污染的防治措施………………………………………………………………………………………….2 1.2 褐变问题……………………………………………………………………………………………………………..3 1.2.1 褐变的原因………………………………………………………………………………………………..4 1.2.2 克服外植体褐变的措施………………………………………………………………………………..4 1.3 玻璃化问题………………………………………………………………………………………………………….4 1.3.1 玻璃化发生的原因………………………………………………………………………………………4 1.3.2控制组培苗玻璃化的措施……………………………………………………………………………….5 1.4 遗传稳定性………………………………………………………………………………………………………….5 1.4.1 影响遗传稳定性的因素………………………………………………………………………………..6 1.4.2 提高遗传稳定性，减少变异的措施………………………………………………………………..5 1.5 黄化问题……………………………………………………………………………………………………………..5 1.5.1 黄化原因……………………………………………………………………………………………………6 2. 离体快繁的前景与探讨………………………………………………………………………………………………….6 2.2适应现状的需求………………………………………………………………………………………………………6 2.3存在问题………………………………………………………………………………………………………………..6 参考文献………………………………………………………………………………………………………………………….6 致谢…………………………………………………………………………………………………………………………………6 浅析植物离体快繁中常见的问题摘要植物组织培养是20世纪初 HYPERLINK /fazhan/ 发展起来的一项新技术，是现代农业生物技术的一个重要组成部分，已经日益广泛地应用于园艺植物的脱毒和快繁等方面。本文针对植物组织培养中常出现的问题进行了分析，探讨了污染、褐变、玻璃化、遗传稳定性、黄化等发生的可能原因，并提出了相应的防治措施。关键词离体快繁；污染；褐变；玻璃化；遗传稳定性；黄化 Analysis of the Common Problems in Plant Vitro Propagation Pick to Plant tissue culture is developed in the early 20th century, a new technology of modern agricultural biotechnology, is one of the important constituent, has increasingly widely applied in the enviroment of horticultural plants and rapid propagation, etc. Aiming at the plant tissue culture often appears the question were analyzed, pollution, Browning, vitrification, genetic stability, such as possible reasons Browning, and puts forward the corresponding prevention cuo Key words Propagation in vitro; contamination; browning; vitrification; genetic stability; etiolation 绪论：植物组织培养是研究植物生长和分化规律的重要手段，是在人工控制条件下培养外植体