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1. The artificially prepared nutrient soil is packed in a container of a certain size, and the hazard of pests and weeds is eliminated through matrix sterilization. 2. Virus-free rootstocks are planted in the containers. After the stocks grow to a certain thickness, grafting is performed using virus-free scions. 3, check the survival rate, make up, release the film. According to the different ambient temperature, the time from grafting to drawing the shoots is generally about 30 days, and the film should be released in time; those who do not have to use the same variety for patching. 4, cut anvil, in addition to Meng, help straight. The abdomen-connected seedlings should be cut an anvil. The anvil is usually divided into two parts. The first anvil cuts the upper rootstock 10-15 cm above the interface after the sprouting, and waits until the first shoot stops growing. Cut off the remaining anvil after the angle cut, the clipping must be smooth. The sprouts on the rootstock should be removed once every 7-10 days. Avoid the use of the hand-plate to remove germinating buds. Some varieties of drooping branches drape (such as Wenzhou oranges), need to straighten after the first cut anvil, the film can be used to tie the new shoots on the anvil, the second anvil should be erected after the support straight. 5, topping, shaping. When grafted seedlings grow to 40-50 centimeters, they should be tossed and reshaped. After topping, they should promote branching at 30-40 centimeters. The height of the topping heart should be different due to different breeds. Before picking the heart, sufficient water should be applied to promote the branching. After branching, except for the uniform distribution of 3-5 directions, the rest were cut off. 6, fertilizer and water management. Fertilizer management should be based on diligence, thin decomposing human and animal manure, supplemented with chemical fertilizers to meet the nutrient conditions needed for seedling growth.
Hubei citrus containers without virus breeding technology
Because the container seedlings of citrus are not affected by the season, the survival rate is high, there is no seedling period, high yield and high quality, and the result of one year earlier is welcomed by the fruit farmers. The main breeding techniques are as follows: