rootstocks的例句（rootstocks在句子中的用法）

• Apple orchards comprised mainly of standard trees on semi - vigorous or vigorous rootstocks. 苹果园主要由半乔化或乔化砧上的乔化树组成.
• Such rootstocks or cultivars were reproduced true to type by vegetative propagation. 这些钻木和品种,通过无性繁殖长成和亲本一样的类型.
• Pear trees are grafted on quince rootstocks. 梨树被嫁接到榅的根茎上。