植物生长素（Auxin）作为植物生长发育的 “指挥家”，在植物从胚胎发育到繁殖的整个生命周期中，发挥着至关重要的作用。它就像一把神奇的钥匙，几乎参与调控了植物生命的方方面面，从种子发芽时根的生长方向，到幼苗期茎的伸长、叶片的展开，再到 ...

Researchers from the University of Tasmania have provided new insights into auxin, a master plant hormone, and its vital role in starch production—the powerhouse of the world's most important crops.

Just like phototropism, gravitropism is also caused by an unequal distribution of auxin. When a stem is placed horizontally, the bottom side contains more auxin and grows more - causing the stem ...

When activated, this switch can influence where in a cell the transporter PIN1, and subsequently the growth hormone auxin, ...

In a stem, the cells on the shaded side contain more auxin and grow longer than the cells on the light side. This causes the stem to grow towards the light. It is vital to note that the plant does ...