The Best Time for Osmanthus Cutting
This article provides an explanation for flower enthusiasts about the propagation of osmanthus flowers, specifically focusing on the best time for osmanthus cutting. Let's follow the editor to see the details!
1. Selection of cutting time and mastery of temperature. The best time for cutting osmanthus is in May and June. The suitable root-growing temperature for osmanthus is between 25℃ and 28℃. If the temperature is too low, plastic film should be used to cover and increase light exposure to raise the temperature of the seedbed. If the temperature is too high, attention should be paid to shading, and one corner of the plastic film should be lifted for ventilation to lower the temperature or spray to cool down.
2. Cutting matrix and seedbed. The cutting matrix should be loose and breathable, with good drainage and high humus content, preferably using vermiculite. There should be a passage left around the seedbed, and a drainage ditch should be properly set. The soil should be disinfected before cutting. A plastic arch with a height of 45 centimeters should be set up on the seedbed to keep moisture and prevent rainwater accumulation. Above this, another shading shed about 1.6 meters high should be built.
3. Selection and treatment of cuttings. Cuttings should be taken in the morning or evening or on cloudy days. Semi-woody branches should be selected as cuttings, cut into lengths of 10 to 12 centimeters, with the lower end cut into a horseshoe shape close to the node, and 2 to 3 leaves left on the upper end.
4. Cutting skills. The lower end of the cutting should be dipped in ABT root powder or soaked in 200ppm to 500ppm indole butyric acid for 5 to 10 minutes, buried 2/3 into the soil with a spacing of 6 centimeters by 6 centimeters. After cutting, water thoroughly and then cover with plastic film.
5. Management after cutting
① Soil moisture should be maintained at around 50%, while the humidity of the air should be kept above 85% for the best results.
② The initial shading of the cutting shed should be maintained at about 80% to prevent direct sunlight while ensuring enough scattered light for photosynthesis, which is conducive to root growth.
③ Ten days later, spray the leaves with a 0.2% phosphorus acid hydrogen potassium solution or a 0.5% calcium superphosphate and 0.1% urea solution once.
④ After 30 days, the roots will basically form, and the film can be removed, and light exposure should be increased. For young seedlings that have rooted, attention should be paid to foliar spraying and shading on sunny summer days.
⑤ To make the young seedlings grow stronger, a 0.05% "Leaf Surface Treasure" solution can be sprayed on the leaves. Do not fertilize from the roots. By September to October or the following spring, the seedlings can be transplanted into pots.
The above is a specific introduction to the best time for osmanthus cutting, hoping to provide some knowledge about flower cultivation to flower enthusiasts.