When Plants Are Cut, They Bleed, Sort Of

Do plants bleed after a cut?

A researcher from the University of Delaware’s College of Agriculture and Natural Resources looked into this and solved one of the mysteries of plant biology. After a cut, a plant directs nutrients to the incision to section the area off and protect the rest of the plant. This is similar to what happens with clotting in the human body.

A plant transmits information and minerals through holes in the cell walls, which is called plasmodesmata. Plasmodesmata is guarded by a glucose-like wall, which constrict and open the passages to control the flow within a plant’s cells.

The research was conducted by Weier Cui for her Ph.D. thesis, it was published in the journal Nature Plants.

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