nurse a young tree 养护树苗
A Young Apple Tree 一棵小苹果树
young tree growth 幼树年生长
young tree decline 幼树衰退病
economic young tree 经济幼林
stake a young tree 用木桩将小树支撑起来
young tree of apple 苹果幼树
Test show seeding reproduction with low rate of germination and survive is still the chief ways at present. Stems of young tree used as explant cultured have adventitious sprout differentiation but don’t have adventitious root .
门）繁育实验显示，种子育苗有贮藏期间易腐烂、发芽率低、发芽后种植成苗率低的缺点，但在目前仍是主要的途径：营养繁殖的扦插处理长出不定芽，但没有不定根的分化；幼树茎段组织培养长出愈伤组织，也分化不定芽，但生长速度很慢且增殖困难；种胚培养能形成完整小植株，但生长较差，这方面尚有许多技术问题需进一步研究。
参考来源 - 蒜头果保护的初步研究·2,447,543篇论文数据，部分数据来源于NoteExpress
He planted a young tree in a pot.
他在花盆里种了一棵小树。
He painted a huge tree with strong branches and a young tree that was growing.
他画了一棵枝干粗壮的大树和一棵正在生长的小树。
He credited Merian for describing a frog in the account of her South American expedition, and named the young tree frog after her.
他称赞梅里安在南美探险记录中描述了一只青蛙，并以她的名字给这只小树蛙命名。
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