Hi! I have been rooting things for many years. I have also asked this question. I found my answer. There are many things that I have heard of, but only a few that I use.
1. Powdered kelp and water
Gross right? Stick your cutting in DRY soil with good drainage. Make a mixture of kelp and warm water and water your cutting with that.
2. Honey
Boil 2 cups of water and add 1 tbsp honey to it. Let cool and put in airtight container. Store out of light, neither sun nor artificial. Dip cutting in mixture then pot.
3. Willow Tea
Take new growth off of a willow tree. Cut them into 1" segments and stick them in boiling water. Let cool overnight. Stick cutting in willow tea and wait till roots grow. Transplant rooted cutting to a small pot.
4. Aspirin and water
Stick one aspirin in 1 gallon of water and wait till dissolved. Either stick your cutting in it and let it sit or water cutting in dry soil with it.
5. Your Saliva
That's right. Just lick the end of your cutting and plant it, some old time gardeners say that.
6. Nothing
Just stick your cutting in soil and give it the proper care!
So that is what some people say, I'll tell you what I think. Powdered kelp and water has never worked for me. I don't know why, but it has worked for other people. Honey, works. Some people say to apply plain honey to the foot of your cutting, never worked for me. Willow tea, I've never tried. Some say it works others don't. You be the judge! Aspirin and water was recommended to me by a friend. She says it works great. Your saliva may work, not sure, I was to scared to lick the end of a rose bush cutting. :) Nothing, works great if you give it the proper care. Try all of these and figure out for yourself what works best!
auxin
Auxin hormone
Scientist have discovered that the inner layer of tissue in the branching root is sensitive to salt and activate a stress hormone. This hormone stops root growth.
Auxin hormone
Rooting gel is a hormone used for helping cuttings establish a root system.
Rooting gel is a hormone used for helping cuttings establish a root system.
according to this website: http://www.viable-herbal.com/singles/Herbs/s634.htm chicory root is a caffeine-free substitute for coffee.
orris root is used as a natural preservative and a fixative when making pomander balls... However, sandalwood oil is sometimes used as a substitute (1 drop) because some people have an allergy to the orris root powder that is derived from iris roots. I found this answer at www.pioneerthinking.com/pomanders.html Hope it helps, Beulah Brown, Virginia
Artichoke can be used as a substitute for burdock, since the two are closely related. You could also substitute other root vegetables, such as turnips, parsnips, or radishes.
Yes. You can clone a marijuana plant without rooting hormone, the rooting hormone simply helps encourage root growth following standard cloning procedure (see google) without using hormone will work, although this varies in success rate from strain to strain...
yes, a lot of herbs root very easily, such as rosemary and basil. sweet potato vines are another plant that easily roots. hormone just speeds up the process, and is especially helpful if the plant is woody
No. Rooting hormone only works on the cut surface of a cutting as it helps the cutting to callous and encourage the formation of root buds.