Rapid asexual Propagation of Osmanthus fragrans

First, the selection of mother plant and branch. The mother should choose the plant with 10-15 years old, strong growth, many branches and low nodes; the branches used for pressing branches are exuberant, disease-free, epidermis is not damaged, bud eyes are full, and branches are about 1 meter long. About 10 days before pressing branches, first remove weeds within 1-1.2 meters around the female parent, and loosen the soil 10-15 cm deep, do not hurt the roots, then apply 25 kg of mature organic fertilizer per mu, and then mix the fertilizer well with the soil. Second, press the branches. At the end of March and the beginning of April, around the female parent, depending on the number of branches that can be pressed (generally, each female parent can press 4-5 branches), dig a small ditch of 20 cm deep and 20 cm wide along the direction of the natural extension of the branches, and then press the branches into the ditch. Fill the ditch with fertile soil and step on it, pour enough water and then cultivate the soil of the pressed branch into a steamed bread. Third, management after pressing branches. The management after pressing branches mainly focuses on the "three hurdles": first, nursing care. Regular observation should be made to prevent the damage of people and animals or torrential rain; the second is to water and cultivate the soil. After pressing branches, we should timely replenish water and cultivate soil according to soil moisture, and pay more attention to replenishing water in midsummer to promote the germination and growth of new roots. at the same time, we should pay attention to the removal of weeds to ensure that the pressed branches are ventilated and transparent; the third is to break away from the female parent. After a year of cultivation after pressing the branch, the branch has formed a new root system. At this time, the branch can be separated from the female parent with a sharp weapon. In order to reduce the amount of injury, the cut should be buried in the soil and watered thoroughly. It is worth noting that after separation, the young plants have not yet formed a completely independent root system, so they can not dig seedlings immediately and transplant them until around the Qingming Festival in the third year, so as to ensure the survival rate after transplanting.