Spraying cuttings is a nasty strategy usually, which includes antidesiccant sprays. Sprays clog stomata and can impair root growth in clones. If you will need to use sprays, use natural organic sprays, utilize them when it's neat, and keep their use to your bare minimum. See “Sprays and Spraying” in https://rowankzfdv.blogs100.com/28203670/cannabis-cuttings-shipping-solutions-an-overview