How long does leaf fall take for different plants?

Leaf fall is the adaptation of plants to the elimination of harmful substances. In different plants, the duration of leaf fall is different in terms of timing. In deciduous trees of the temperate zone, leaf fall is massive, that is, all leaves fall off in autumn: if the leaves remain, they will continue to evaporate water and the plant will die. In conifers, needle leaves have a small area and are covered with a waxy coating, which reduces evaporation. But it is necessary to remove harmful substances, so old leaves fall off, leaf fall occurs constantly throughout the year.

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