中科新闻网最年轻的ava女演员:翻译有分可奖啊，急用
来源：百度文库 编辑：中科新闻网 时间：2024/04/30 18:16:50
了解植物顶端的作用机理对农业，林业，果树，蔬菜，和花卉等生产实践具有重意义。研究发现，由茎尖产生并向极性向下运输的生长素（IAA）在顶端优势的控制中起着重要作用。由根尖产生并向地上运输的细胞分裂素（CTK）在克服顶端优势，促进侧芽生长的过程中必不可少。
The advantage phenomenon is a widespread existence in the plant field.The most familiar advantage phenomenon is the top advantage, then the plant top of[with] growth, repress the phenomenon of[with] the side bud growth.When the plant top exist, the growth of the top is repress.If the top is injure perhaps factitiously the whereabouts top, the top advantage then is relieve, the president of association is one or several side buds on the caulis.As a result the cent and its stub type of the plant are to a large extent under the influence of top.
Understand the function mechanism of the plant top to the agriculture, forestry, fruit tree, vegetable, wait to produce to practice to have heavy meaning and flower.The research discover that from caulis the sharp creation combine toward the pole aptitude to descend the growth vegetable(IAA) of the conveyance to have already emphasized to want a function in the control in the top advantage.From root the sharp creation combine the cell division vegetable(CTK) that transports toward the ground Be overcoming the top advantage, promote the essential to have in the process of[with] the side bud growth.