Cutting time selection and temperature control. Sweet-scented osmanthus is best cut in May and June. The root temperature of sweet-scented osmanthus is 25°C to 28°C. If the temperature is too low, the plastic film should be covered to increase the light and raise the seedbed temperature. If the temperature is too high, attention should be paid to shade, and a corner of the plastic film should be ventilated, cooled or sprayed.
Cutting matrix and seedbed. The cutting matrix requires loose air, good drainage, acidic soil or sandy soil with high humus content, preferably vermiculite. The channel should be left around the seedbed and a drainage ditch should be opened. Insert soil before disinfection. A 45 cm high plastic shed is placed on the bed to moisturize and prevent rain. A shed of about 1.6 meters high is placed on the shed.
Cutting selection and treatment. The cuttings should be taken in the morning, evening or cloudy days. The cuttings were made of semi-lignified twigs, cut to a length of 10 cm to 12 cm, and cut into horseshoes under the joints at the lower end, leaving 2 to 3 leaves at the top.
Cutting skills. ABT rooting powder at the bottom of the cuttings or soaked with 200ppm to 500ppm butyric acid for 5 minutes to 10 minutes, into the soil 2/3, spacing 66 cm. Insert water and then cover with plastic film.
Plug in management. 1 The soil moisture requirement is about 50%, while the air humidity is required to be kept above 85%. 2 The initial shading of the shady sheds is maintained at around 80%. This will not only prevent direct sunlight but also provide sufficient scattered light to facilitate photosynthesis with leaf cuttings and facilitate rooting. After 310 days, the leaves were sprayed with 0.2% potassium dihydrogen phosphate or 0.5% superphosphate and 0.1% urea solution once. Basically rooting after 430 days, the film can be peeled off and light added. After the rooting seedlings, pay attention to leaf spray and shade in summer sunny days. 5 For the seedlings to grow robustly, foliar spray of 0.05% "leaf noodles" can be used instead of fertilizing roots. The pots can be transplanted from September to October or the following spring.
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