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Here is a link that shows how to root the bamboo from cuttings.

https://www.ctahr.hawaii.edu/forestry/data/timor/bamboo.html

There are many different methods of propagating plants depending on the type of plant it is and type of cutting that is obtained from it. The following articles will explain these different methods:

https://www.gardeningknowhow.com/garden-how-to/projects/rooting-plant-cuttings.htm
https://www.gardeningknowhow.com/ornamental/trees/tgen/how-to-root-cuttings-from-various-shrubs-bushes-and-trees.htm

Here is a link to an article where somebody propagated a fuchsia cutting using a pickle jar. A pickle jar conserves moisture much like a greenhouse does:

http://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=16740

Unfortunately, this is not the way most trees are propagated. However, this article should help: https://www.gardeningknowhow.com/ornamental/trees/tgen/how-to-root-cuttings-from-various-shrubs-bushes-and-trees.htm

The great thing about gardeners is the sharing of information and trying different options.

The ratio of honey to water for rooting is a tried method.

I'm sure many a gardener, past, present and future will make adjustments to this formula!

Have you tried Cinnamon as a rooting hormone? I have had great luck using it for propagation when I've run out of Rooting Hormone.

https://www.gardeningknowhow.com/garden-how-to/info/using-cinnamon-on-plants.htm

Here are a few links for you with more information.

https://www.gardeningknowhow.com/garden-how-to/projects/rooting-plant-cuttings.htm
https://extension.missouri.edu/p/G6970

I think either approach would work for this plant. Roots may develop more quickly in water, put the clippings will root just as easily in soil that has some part sand.