How to improve the survival rate of cuttings
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(2) Select a suitable rooting cutting matrix. This matrix should have the characteristics of easy increase in soil temperature, water retention, and ventilation.
(3) Handle the panicle correctly. Before the cuttings are treated with medicaments, they have the effect of promoting rooting. Soft branches are generally cut into 8 cm to 12 cm long sections with 2 to 3 buds on the top, and the incision at the lower part of the cuttings should be 0.5 cm below the section. The incision should be smooth, cut off the lower leaves, leaving only the top 2 to 3 leaves. The insertion depth is generally 3 cm.
(4) Create environmental conditions suitable for rooting. The suitable temperature for most flowers is 20°C～25°C. The tropical flowers need to be 25°C～30°C. Generally, the soil temperature is 3°C～5°C higher than the temperature, which is good for rooting. The relative air humidity of the plugger is 80% to 90%, which is conducive to rooting. Soft branch cutting requires about 30% light. Moisture is moderate, the cuttings are slightly larger at the beginning and slightly dry at the later stage. Therefore, the soft-twig cuttings in open areas in northern China are suitable for the mid-to-late June to mid-August. This period coincides with the rainy season in North China. It can better meet the temperature and humidity conditions required for rooting and facilitate the survival rate of cuttings. .
(5) Strengthen post-cutting management. After plugging water, cover it with plastic film and put it in a shaded area to prevent direct sunlight. However, increasing the light at night will facilitate the survival of cuttings. One or two times a day to open the plastic film (if the film has opened a small hole, you can not open) to supplement the required oxygen, and to prevent germs from occurring. To spray water regularly, keep the plug bed moderately moist, but the spray water can not be excessive, or wet the plug, affect the cuttings healing, rooting; to be inserted when the new root length to 2 cm to 3 cm, you can timely transplant the basin.