(1) Warm water treatment
Soaking the base of the cuttings from 1/3 to 1/2 with warm water of 30°C to 50°C for 4 to 12 hours will reduce the amount of rooting material in the cuttings and increase the rooting rate.
(2) Nutrition treatment
The combination of sugar and auxin can achieve better rooting effect. Usually 2%~10% sucrose and 5~10 mg/L auxin mixed solution are used. Immerse the lower part of the cutting 1-2cm into the solution 12~24. Hours can be. Herbal flowers use 2%~5% sucrose solution and 5~7 mg/L auxin solution; woody flowers use 5%~10% sucrose solution and 7~10 mg/L auxin solution. Can also be used vitamin B12 solution soaked to accelerate rooting, with medical vitamin B12 injection cold water to double the dilution, the cuttings base soaked for 5 minutes, slightly dry after cutting.
(3) Heat treatment
The electrothermal hotbed is used to press the root and the temperature is kept at 23°C~27°C. The maximum temperature cannot exceed 28°C. If pot plugs are used, the pots can be placed on radiators or fire pits in winter, which is a good result.
(4) Circumvention treatment
For some precious flowers and trees that are not easy to root, during the growth period, the base of the branches can be peeled off with a ring or tied with iron wire. Cutting the cuttings along the girdling stage during the dormancy period is beneficial to rooting.
In addition, for the flowers and trees such as Reishi, Yew, Japanese rock cypress, fig, sweet-scented osmanthus, etc., they can also be used for cuttings, that is, when cuttings are collected, their bases are accompanied by a few annual branches, which are conducive to rooting.
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