揭秘植物的修枝(2)
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Ottoline Leyser
University of York
Think of a major road crowded with traffic. So many cars are on the main road that the cars on the side roads cannot enter. The stem is like the crowded main road. The new research shows that the buds on the side cannot export their auxin into the main stem because it is too full. But if that main …
設(shè)想一條交通擁擠的主干道上塞滿(mǎn)了很多車(chē)，以至于輔道上的車(chē)輛都無(wú)法進(jìn)入(主干道)了。 主莖就好比那條擁擠的主干道。這項(xiàng)新的研究顯示，由于主莖內(nèi)充滿(mǎn)了生長(zhǎng)素，所以側(cè)面的葉莖無(wú)法將生長(zhǎng)素輸送過(guò)去。但是如果剪掉主要的芽體，那么下面的其他芽體就能開(kāi)始輸送生長(zhǎng)素，他們就不會(huì)被限制生長(zhǎng)了。 約克大學(xué)的奧特林?雷…