植物品种改良 plant species improvement ; improving of plant variety 家禽品种改良计划 poultry stock improvement plan .
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It is very important to quickly propagation excellent clones, genetic improvement and gene resource preservation through somatic embryogenesis plant regeneration for this species.
开展栓皮栎体胚发生再生植株研究，对栓皮栎优良无性系快繁、遗传改良和基因资源保存具有重要意义。
Hybridization between different species plays an important role in plant genome evolution, as well as is a widely used approach for crop improvement.
种间杂交在植物基因组进化过程中起到重要作用，也是一种被广泛应用的育种方法。
Closely integrate the two can complement each other greatly enhance the efficiency of plant and animal species improvement.
将两者紧密结合，可相得益彰，大大地提高动植物品种改良的效率。
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