Toshio Murashige was a really smart scientist who knew a lot about plants. He helped figure out how to make more plants really quickly and without needing to use seeds.
Normally, if you want more plants, you have to use seeds and wait a long time for them to grow. But Toshio Murashige found out that you can take a little piece of a plant, called a cutting, and put it in a special kind of liquid. This liquid has all the nutrients and food that the plant needs to grow big and strong really fast!
So, Toshio Murashige helped lots of people grow lots of plants really quickly. This was really important because it made it easier for people to grow food and make pretty gardens. Toshio Murashige was a very smart and helpful scientist!