甘蔗属于无性繁殖作物，病毒的累积使病害逐年加重。
The accumulation of virus in sugarcane stalks causes a yearly serious diseases because of vegetative propagation.
它们真正味道早已经编码在基因当中，无性繁殖作物的一致性属于一种财产。
The true flavour is encoded in the genes and the consistency of a cloned crop is an asset.
它们在种植作物以及无性繁殖的作物中都是比较重要的。
They are all more important in plantation crop as also those which are propagated vegetatively.
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