现代保存技术的发展作物品种资源现代保存技术的崛起,是由于品种资源的大量损失,使人们逐渐看到了这一问题的严重性;又由于新品种的推广,边远地区的开发,一些尚未收集的品种资源也在不断消亡,如果再不把这些资源收集起来,妥善保存,这些资源就将在地球上永远消失。作物品种资源现代保存技术概念是相对旧的保存方法而言。旧的品种资源保存方法,受自然条件影响很大,库房温度、湿度随季节而变化,种子保存容器通常是开放式的,也有应用干燥剂及干燥器的,因而种子劣变较块。例如水稻种子在广州自然 The development of modern conservation techniques The rise of modern preservation techniques for crop varieties resources is due to the massive loss of variety resources, which has led people to gradually see the seriousness of this problem. In addition, due to the promotion of new varieties and the development in remote areas, some uncollected Varieties of resources are also constantly disappearing, if you do not collect these resources, properly preserved, these resources will disappear forever on Earth. The concept of modern conservation techniques for crop variety resources is relative to the old conservation methods. The old methods for conserving resources of cultivars are greatly affected by the natural conditions. The temperature and humidity of the warehouses vary with the seasons. Seed storage containers are usually open-type, and desiccants and dryers are also used. For example, rice seeds in Guangzhou naturally