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植物种质资源保存的方式有哪些?与传统方式相比较,离体保存的优点是什么?
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植物种质资源保存的方式有哪些?与传统方式相比较,离体保存的优点是什么?
时间:2021-12-31 05:42
关键词:
植物细胞工程
拥罐工
大学试题
农学
答案解析
<p> 1)原地保存<br> 2)异地保存:种植保存;贮藏保存;基因文库保存;离体保存<br> 优点:(1)很高的增殖率;<br> (2)无菌和无病虫环境,不受自然灾害的影响;<br> (3)保存的材料体积小,占用空间小,节省大量的人力、物力及财力;<br> (4)不存在田间活体保存存在的像异花授粉、嫁接繁殖而导致的遗传蚀变现象;<br> (5)有利于国际间的种质交流及濒危物种的抢救和快繁。</p>
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