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gcr

[求助] 求助翻译!谢谢

3. Give three reasons why micropropagation is a good system for mass propagation.
answer = used for propagating species which are slow to multiply; used for new cultivars
with high demand for high value crops; used for difficult-to-root plants (Also - used to conserve germplasm)

4. What are three disadvantages of propagating plants by micropropagation?
answer = expensive facilities; need fortrained personnel; high labor requiring
(Also - contamination can cause large losses; off-type plants; marketing - over
production of easy-to-propagate species)
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snipher950

木虫 (正式写手)

3. 给出三个原因说明为什么微体繁殖对于快速繁殖是一个好的系统
答:可用于繁殖缓慢的种群;用于高品质高要求的新作物;用于难生根植物
(另外,可用于贮藏胚质)

4.植物繁殖中的微体繁殖的三个缺点是什么?
答:昂贵的设施;需要受过培训的人员;需要高素质劳工
(另外,污染会造成大的损失;异型植物;对于容易繁殖的种群出现市场过剩)
2楼2008-06-17 17:06:51
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